{"id":1029,"date":"2013-04-19T11:25:13","date_gmt":"2013-04-19T11:25:13","guid":{"rendered":"https:\/\/grpalliative.gr\/el\/?p=1029"},"modified":"2019-10-15T09:45:31","modified_gmt":"2019-10-15T06:45:31","slug":"placebo-kai-ponos-e-alexopoyloy-vrachnoy","status":"publish","type":"post","link":"https:\/\/grpalliative.gr\/el\/placebo-kai-ponos-e-alexopoyloy-vrachnoy\/","title":{"rendered":"Placebo \u03ba\u03b1\u03b9 \u03a0\u03cc\u03bd\u03bf\u03c2 &#8211; \u0395. \u0391\u03bb\u03b5\u03be\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5 \u2013 \u0392\u03c1\u03b1\u03c7\u03bd\u03bf\u03cd"},"content":{"rendered":"<p style=\"text-align: justify;\"><b>Placebo\u00a0<\/b>\u03ba\u03b1\u03b9 \u03a0\u03cc\u03bd\u03bf\u03c2<\/p>\n<p style=\"text-align: justify;\">\u0395.\u00a0\u0391\u03bb\u03b5\u03be\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5\u00a0\u2013\u00a0\u0392\u03c1\u03b1\u03c7\u03bd\u03bf\u03cd<\/p>\n<p style=\"text-align: justify;\">\u0397 \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1 \u03c4\u03b7\u03c2 \u0399\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u00b5\u03b9\u03b1 \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1 \u03c4\u03bf\u03c5\u00a0placebo,\u00a0\u03ba\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b5\u00b5\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b1\u03b9\u03ce\u03bd\u03b5\u03c2,\u00a0\u03b4\u03b5\u03bd \u03ae\u03c4\u03b1\u03bd \u03c4\u03af\u03c0\u03bf\u03c4\u03b5 \u03ac\u03bb\u03bb\u03bf,\u00a0\u03b1\u03c0\u03cc \u03b5\u03c6\u03b1\u03c1\u00b5\u03bf\u03b3\u03ae\u00a0placebos (\u03b1\u03b4\u03c1\u03b1\u03bd\u03ce\u03bd \u03bf\u03c5\u03c3\u03b9\u03ce\u03bd \u03ba\u03b1\u03b9 \u00b5\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd)1.\u0397 \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae \u03b1\u03c5\u03c4\u03ae \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03ad\u03ba\u03c5\u03c8\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03c9\u03b8\u03b5\u03af \u03b5\u03ac\u03bd,\u00a0\u03b5\u03c6\u03b1\u03c1\u00b5\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2\u00a0\u00ab\u03c8\u03b5\u03cd\u03c4\u03b9\u03ba\u03b5\u03c2\u00bb\u00a0\u03ae\u00ab\u03b1\u03b4\u03c1\u03b1\u03bd\u03b5\u03af\u03c2\u00bb\u00a0\u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b5\u03c2,\u00a0\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03bf\u03c6\u03b5\u03af\u03bb\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c6\u03b1\u03bd\u03c4\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2 \u03ae \u03ba\u03b1\u03b9 \u03c3\u03b5 \u00b5\u03b9\u03b1 \u03c0\u03b1\u03c1\u03bf\u03b4\u03b9\u03ba\u03ae \u03cd\u03c6\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03bf\u03c3\u03b7\u03c1\u03bf\u03cd \u03b5\u03c0\u03b5\u03b9\u03c3\u03bf\u03b4\u03af\u03bf\u03c5.\u00a0\u03a3\u03ae\u00b5\u03b5\u03c1\u03b1 \u03c4\u03bf\u00a0placebo\u00a0\u03c7\u03c1\u03b7\u03c3\u03b9\u00b5\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1,\u00a0\u03c0\u03c1\u03bf\u03ba\u03b5\u03b9\u00b5\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03c0\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u00b5\u03bf\u03bd\u03b9\u03ba\u03ac \u00b5\u03b9\u03b1 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1.\u00a0\u03a0\u03ad\u03c1\u03b1\u03bd \u03cc\u00b5\u03c9\u03c2 \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2,\u00a0\u03b3\u03b9\u03b1\u03c4\u03c1\u03bf\u03af \u03ba\u03b1\u03b9 \u03bd\u03bf\u03c3\u03b7\u03bb\u03b5\u03c5\u03c4\u03ad\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u00b5\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bdplacebos\u00a0\u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u00b5\u03b5\u03c1\u03b9\u03bd\u03ae \u03c4\u03bf\u03c5\u03c2 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c5\u03c7\u03b1\u03c1\u03b9\u03c3\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03ba\u03b1\u03b8\u03b7\u03c3\u03c5\u03c7\u03ac\u03c3\u03bf\u03c5\u03bd \u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2 \u00b5\u03b5 \u03ac\u03b3\u03c7\u03bf\u03c2(de Craen et al \u201999, Wall \u201999).\u00a0\u03a4\u03bf \u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf \u03c4\u03bf\u03c5\u00a0placebo\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u00b5\u03b1 \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7\u03c2\u00ab\u00b5\u03c5\u03b1\u03bb\u03bf\u03cd\u00a0\u2013\u00a0\u03c3\u03ce\u00b5\u03b1\u03c4\u03bf\u03c2\u00bb\u00a0\u03ae \u00b5\u03b9\u03b1 \u03b1\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c0\u03ce\u03c2,\u00a0\u03b7 \u03c0\u03bd\u03b5\u03c5\u00b5\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u00b5\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03b5\u03b9 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03c0\u03b1\u03b8\u03bf\u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ad\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2\u00a0(Herrnstein \u201960, Levine \u201978). To\u00a0\u03af\u03b4\u03b9\u03bf \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf\u00a0Nocebo,\u00a0\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03bf \u03c4\u03bf\u03c5\u00a0placebo.\u00a0\u0394\u03b7\u03bb\u03b1\u03b4\u03ae \u03b7 \u03b1\u03bd\u03b1\u00b5\u03bf\u03bd\u03ae \u00b5\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03bf\u03cd \u03ae \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u00b5\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1.\u00a0\u0397 \u03b4\u03b9\u03b1\u03c0\u03af\u03c3\u03c4\u03c9\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03b1\u03bd\u03b1\u03b2\u03ac\u03b8\u00b5\u03b9\u03c3\u03b5 \u03c4\u03bf\u00a0placebo\u00a0\u03c3\u03b5 \u03c8\u03c5\u03c7\u03bf\u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf,\u00a0\u03b5\u03bd\u03ce \u00b5\u03ad\u03c7\u03c1\u03b9 \u03c3\u03ae\u00b5\u03b5\u03c1\u03b1,\u00a0\u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c4\u03bf \u03b1\u03c0\u03bb\u03ac \u03ad\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b3\u03b9\u03b1 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ad\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2.<\/p>\n<p style=\"text-align: justify;\" align=\"center\">\u0399\u03c3\u03c4\u03bf\u03c1\u03b9\u03ba\u03ae \u03b1\u03bd\u03b1\u03b4\u03c1\u03bf\u00b5\u03ae<\/p>\n<p style=\"text-align: justify;\">\u039f \u03cc\u03c1\u03bf\u03c2\u00a0placebo\u00a0\u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7 \u03c1\u03af\u03b6\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c4\u03b7\u03bd \u039b\u03b1\u03c4\u03b9\u03bd\u03b9\u03ba\u03ae \u03bb\u03ad\u03be\u03b7\u00a0placebit (\u03b8\u03b1 \u03b5\u03c5\u03c7\u03b1\u03c1\u03b9\u03c3\u03c4\u03ae\u03c3\u03c9).\u00a0\u039f\u03b9\u00a0Shapiro &amp; Shapiro (\u201897)\u00a0\u03c3\u03c4\u03bf \u03b5\u03b3\u03c7\u03b5\u03b9\u03c1\u03af\u03b4\u03b9\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5\u00a05.000 \u00ab\u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03b1\u00bb,\u00a0\u03c0\u03b1\u03c1\u03b1\u03c3\u03ba\u03b5\u03c5\u03ac\u03c3\u00b5\u03b1\u03c4\u03b1\u00a0(theriac, mattioli, mandrake\u00a0\u03ba.\u03ac)\u00a0\u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u00b5\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03b7 \u03ba\u03ac\u03b8\u03b5 \u03b5\u03af\u03b4\u03bf\u03c5\u03c2 \u03b1\u03c3\u03b8\u03ad\u03bd\u03b5\u03b9\u03b1\u03c2,\u00a0\u03c4\u03cc\u03c3\u03bf \u03b1\u03c0\u03cc \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd\u03c2,\u00a0\u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u00b5\u03c6\u03af\u03b2\u03bf\u03bb\u03bf\u03c5\u03c2 \u03b8\u03b5\u03c1\u03ac\u03c0\u03bf\u03bd\u03c4\u03b5\u03c2 \u03ae \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03af\u03b4\u03b9\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03c4\u03bf\u03c5\u03c2.\u00a0\u039b\u03b1\u03bf\u03af \u03cc\u03c0\u03c9\u03c2 \u03bf\u03b9 \u039a\u03b9\u03bd\u03ad\u03b6\u03bf\u03b9,\u00a0\u03a3\u03bf\u03c5\u00b5\u03ad\u03c1\u03b9\u03bf\u03b9,\u00a0\u0391\u03c3\u03cd\u03c1\u03b9\u03bf\u03b9,\u00a0\u0392\u03b1\u03b2\u03c5\u03bb\u03ce\u03bd\u03b9\u03bf\u03b9 \u03ba.\u03ac.\u03b5\u03c6\u03ac\u03c1\u00b5\u03bf\u03b6\u03b1\u03bd \u03c4\u03b1\u00a0placebos\u00a0\u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u00b5\u03b5\u03c1\u03b9\u03bd\u03ae \u03b6\u03c9\u03ae.<\/p>\n<p style=\"text-align: justify;\" align=\"center\">\u039f\u03b9\u00a0Parloff (\u201986) &amp; Moermann (\u201902)\u00a0\u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c0\u03b5\u03c1\u03af \u03c4\u03b9\u03c2\u00a0400\u00a0\u03c8\u03c5\u03c7\u03bf\u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2<\/p>\n<p style=\"text-align: justify;\">\u00b5\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2,\u00a0\u03c0\u03bf\u03c5 \u03b5\u03c6\u03b1\u03c1\u00b5\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03ba\u03cc\u00b5\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03ae\u00b5\u03b5\u03c1\u03b1,\u00a0\u03c0\u03ad\u03c1\u03b1\u03bd \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03be\u03b9\u03c9\u00b5\u03ad\u03bd\u03b7\u03c2 \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2.\u00a0\u03a4\u03bf \u03ba\u03bf\u03b9\u03bd\u03cc \u03cc\u03bb\u03c9\u03bd \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03c8\u03b5\u03c5\u03b4\u03ce\u03bd \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ce\u03bd \u00b5\u03ad\u03c3\u03c9\u03bd,\u00a0\u03c0\u03bb\u03b7\u03bd \u03b5\u03be\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03c9\u03bd\u00a0(\u03b1\u03b9\u00b5\u03bf\u03c1\u03c1\u03b1\u03b3\u03af\u03b1\u00a0\u2192\u00a0\u03c0\u03c4\u03ce\u03c3\u03b7 \u03b1\u03c1\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2)\u00a0\u03b5\u03af\u03bd\u03b1\u03b9,\u00a0\u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03ba\u03b1\u00b5\u03af\u03b1 \u03ac\u00b5\u03b5\u03c3\u03b7 \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03c3\u03c4\u03b7 \u03bd\u03cc\u03c3\u03bf \u03ae \u03c4\u03bf \u03c3\u03cd\u00b5\u03c0\u03c4\u03c9\u00b5\u03b1,\u00a0\u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd \u03b4\u03b5\u03bd \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03b1,\u00a0\u03bb\u03cc\u03b3\u03c9 \u03b1\u03bd\u03b1\u03b2\u03bf\u03bb\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03c1\u03b1\u03b3\u00b5\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2,\u00a0\u03c0\u03b1\u03c1\u03b1\u00b5\u03ad\u03bd\u03bf\u03c5\u03bd \u03cc\u00b5\u03c9\u03c2 \u03c3\u03b5 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac.\u00a0\u039f \u03c3\u03ba\u03b5\u03c0\u03c4\u03b9\u03ba\u03b9\u03c3\u00b5\u03cc\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u00b5\u03b5 \u03c4\u03b9\u03c2\u00a0placebo\u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b5\u03c2 \u03be\u03b5\u03ba\u03af\u03bd\u03b7\u03c3\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf\u00a01700\u00a0\u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u00b5\u03ad\u03c7\u03c1\u03b9 \u03c3\u03ae\u00b5\u03b5\u03c1\u03b1.<\/p>\n<p style=\"text-align: justify;\">\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf \u03b7 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03ad\u03c6\u03b5\u03c1\u03b5 \u03c0\u03ac\u03bb\u03b9 \u03c3\u03c4\u03bf \u03c0\u03c1\u03bf\u03c3\u03ba\u03ae\u03bd\u03b9\u03bf \u03c4\u03bf \u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf\u00a0placebo\u00a0\u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03bb\u03ae\u03b3\u03b5\u03b9 \u03cc\u03c4\u03b9,\u00a0\u03c0\u03ad\u03c1\u03b1\u03bd \u03c4\u03c9\u03bd \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03c0\u03b1\u03c1\u03b1\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c0\u03b9\u03c3\u03c4\u03b5\u03cd\u03c9,\u00a0\u03c4\u03b7\u03c2 \u03b5\u00b5\u03c0\u03b9\u03c3\u03c4\u03bf\u03c3\u03cd\u03bd\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03c0\u03b5\u03c0\u03bf\u03af\u03b8\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 \u03c4\u03c9\u03bd\u00a0placebo\u00a0\u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03b9\u03ce\u03bd,\u00a0\u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03b1\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03b1\u03c3\u03b8\u03b5\u03bd\u03ae\u00a0(Barton 1865, Gallen)\u00a0\u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03c3\u03c3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03b9 \u03bd\u03b5\u03c5\u03c1\u03bf\u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03bf\u03af \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03bf\u03af,\u00a0\u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c0\u03b5\u03cd\u03b8\u03c5\u03bd\u03bf\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b8\u03b5\u03c4\u03b9\u03ba\u03cc\u00a0(placebo)\u00a0\u03ae \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u00a0(nocebo)\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1.\u00a0\u0395\u03c0\u03b9\u03c3\u03c4\u03ae\u00b5\u03b5\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03a8\u03c5\u03c7\u03bf\u03bb\u03bf\u03b3\u03af\u03b1,\u00a0\u03a8\u03c5\u03c7\u03bf\u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03af\u03b1,\u00a0\u03a6\u03b1\u03c1\u00b5\u03b1\u03ba\u03bf\u03bb\u03bf\u03b3\u03af\u03b1,\u00a0\u039d\u03b5\u03c5\u03c1\u03bf\u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03af\u03b1,\u00a0\u039c\u03bf\u03c1\u03b9\u03b1\u03ba\u03ae \u0392\u03b9\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03ba\u03b1\u03b9 \u039d\u03b5\u03c5\u03c1\u03bf\u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae,\u00a0\u03b5\u00b5\u03c0\u03bb\u03ad\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03b5\u03c1\u00b5\u03b7\u03bd\u03b5\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c6\u03b1\u03b9\u03bd\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5.<\/p>\n<p style=\"text-align: justify;\" align=\"center\">\u039f\u03c1\u03b9\u03c3\u00b5\u03bf\u03af<\/p>\n<p style=\"text-align: justify;\">\u03a3\u03c4\u03bf\u00a0Pubmed\u00a0\u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03b9 \u03ba\u03b1\u03bd\u03b5\u03af\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc\u00a0120.000\u00a0\u03ac\u03c1\u03b8\u03c1\u03b1 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u00b5\u03b5 \u03c4\u03bf\u00a0placebo\u00a0\u03c3\u03b5 \u03cc\u03bb\u03b1 \u03b4\u03b5 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03c5\u03bf \u03cc\u03c1\u03bf\u03b9 \u03b4\u03b7\u03bb. placebo effect &amp; placebo response.\u00a0<span style=\"text-decoration: underline;\">Placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 (effect):\u00a0\u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u00b5\u03b5\u03c4\u03ac \u03c4\u03b7 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2 \u00b5\u03b5\u00a0placebo.\u00a0Placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1\u00a0(effect)\u00a0\u03c3\u03c4\u03bf\u03bd \u03c0\u03cc\u03bd\u03bf:\u00a0\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5 \u00b5\u03ad\u03c3\u03bf\u03c5 \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u00b5\u03b1\u03c4\u03bf\u03c2 \u00b5\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03c5\u03bf \u03bf\u00b5\u03ac\u03b4\u03c9\u03bd,\u00a0\u00b5\u03b9\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03bb\u03b1\u03b2\u03b5\u00a0placebo\u00a0\u03ba\u03b1\u03b9 \u00b5\u03b9\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03ad\u03bb\u03b1\u03b2\u03b5 \u03ba\u03b1\u00b5\u03af\u03b1 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1.\u00a0\u039f\u03b9 \u03c8\u03c5\u03c7\u03bf\u03bb\u03cc\u03b3\u03bf\u03b9 \u03c4\u03bf \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03c9\u03c2 \u03c4\u03bf \u03c8\u03c5\u03c7\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf \u03c0\u03bf\u03c5 \u03b5\u00b5\u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03b8\u03c5\u00b5\u03af\u03b1 \u03b3\u03b9\u03b1 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7\u00a0(Kirsch \u201999). O\u00a0\u0392rody (2000),\u00a0\u03ba\u03cd\u03c1\u03b9\u03bf\u03c2 \u03b5\u03ba\u03c0\u03c1\u03cc\u03c3\u03c9\u03c0\u03cc\u03c2 \u03c4\u03bf\u03c5\u03c2,\u00a0\u03c4\u03bf\u03bd\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03b7\u00b5\u03b1\u03c3\u03af\u03b1 \u03c4\u03c9\u03bd \u03c3\u03c5\u00b5\u03b2\u03bf\u03bb\u03b9\u03c3\u00b5\u03ce\u03bd \u03ba\u03b1\u03b9 \u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf\u00a0placebo,\u00a0\u03c9\u03c2 \u03c4\u03bf \u03c3\u03cd\u03bd\u03bf\u03bb\u03bf \u03c4\u03c9\u03bd \u00b5\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ce\u03bd \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c3\u03c5\u00b5\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u00b5\u03c5\u03b1\u03bb\u03bf\u03cd\u00a0\u2013\u00a0\u03c3\u03ce\u00b5\u03b1\u03c4\u03bf\u03c2,\u00a0\u03c3\u03b1\u03bd \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03b7\u00b5\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03b4\u03af\u03b4\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf\u03c2,\u00a0\u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03ae \u03c3\u03b5 \u00b5\u03b9\u03b1 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1.<\/span><\/p>\n<p style=\"text-align: justify;\" align=\"center\">\u039c\u03b5\u03c1\u03b9\u03ba\u03bf\u03af \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b7\u03c3\u03b1\u03bd \u03bd\u03b1 \u03b4\u03b9\u03b1\u03ba\u03c1\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03cc\u03c1\u03bf\u00a0placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1\u00a0(effect)<\/p>\n<p style=\"text-align: justify;\">\u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03cc\u03c1\u03bf\u00a0<span style=\"text-decoration: underline;\">placebo\u00a0\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 (response)\u00a0\u00b5\u03b5 \u03c4\u03bf\u03bd \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03bf \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03ac \u03c4\u03bf \u03c8\u03c5\u03c7\u03bf\u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf\u00a0(Hoffman \u201905)\u00a0\u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u00b5\u03ad\u03bd\u03b1\u00a0placebo\u00a0\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u00a0(response\u00a0\u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c0\u03cc\u03bd\u03bf),\u00a0\u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03ba\u03bf\u03cd\u03c6\u03b9\u03c3\u03b7 \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u00b5\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u00b5\u03b9\u03b1\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2.<\/span><\/p>\n<p style=\"text-align: justify;\">\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf \u03b1\u03ba\u03cc\u00b5\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03ae\u00b5\u03b5\u03c1\u03b1 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03cc\u03c1\u03bf\u03b9\u00a0(effect &amp; response)\u00a0\u03c3\u03c5\u03b3\u03c7\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc \u03b3\u03b9\u03b1\u03c4\u03af,\u00a0\u03b4\u03b5\u03bd \u03c5\u03c0\u03ae\u03c1\u03be\u03b5 \u00b5\u03ad\u03c7\u03c1\u03b9 \u03c0\u03c1\u03cc\u03c3\u03c6\u03b1\u03c4\u03b1 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd,\u00a0\u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c1\u00b5\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5\u00a0placebo\u00a0\u03c3\u03b1\u03bd \u03b1\u03c5\u03c4\u03cc\u03bd\u03bf\u00b5\u03b7 \u03bf\u03bd\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1.\u00a0\u03a4\u03bf \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd \u03ae\u03c4\u03b1\u03bd \u03c0\u03c1\u03bf\u03c3\u03b1\u03bd\u03b1\u03c4\u03bf\u03bb\u03b9\u03c3\u00b5\u03ad\u03bd\u03bf \u03c0\u03b9\u03bf \u03c0\u03bf\u03bb\u03cd \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b7 \u03c4\u03b7\u03c2 \u03c5\u03c0\u03b5\u03c1\u03bf\u03c7\u03ae\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03bd\u03ad\u03bf\u03c5 \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5 \u03ae \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae\u03c2 \u03ad\u03bd\u03b1\u03bd\u03c4\u03c5 \u03c4\u03bf\u03c5\u00a0placebo (\u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c4\u03bf\u00a0placebo\u00a0\u03ae\u03c4\u03b1\u03bd \u00b5\u03cc\u03bd\u03bf \u03ad\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2).\u00a0\u03a3\u03ae\u00b5\u03b5\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03c5\u03bf \u03cc\u03c1\u03bf\u03b9\u00a0(effect &amp; response)\u03c7\u03c1\u03b7\u03c3\u03b9\u00b5\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03b4\u03b9\u03b1\u03ba\u03c1\u03af\u03c4\u03c9\u03c2\u00a0(Colloca et al \u201908).<\/p>\n<p style=\"text-align: justify;\">\u0393\u03b9\u03b1 \u03c4\u03b7\u03bd \u00b5\u03b5\u03bd \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c3\u03b7\u00b5\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03ac\u03b8\u03b5 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03bf\u00b5\u03ac\u03b4\u03b1 \u03c0\u03bf\u03c5 \u03ad\u03bb\u03b1\u03b2\u03b5\u00a0placebo\u00a0\u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03b5\u03ac\u03bd\u00a0\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae,\u00a0\u03bf\u03c6\u03b5\u03af\u03bb\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03bf\u03b4\u03b9\u03ba\u03ae \u03cd\u03c6\u03b5\u03c3\u03b7,\u00a0\u03c3\u03cd\u03b3\u03ba\u03bb\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03ba\u03c1\u03b1\u03af\u03c9\u03bd \u03c4\u03b9\u00b5\u03ce\u03bd \u03c3\u03c4\u03bf\u03bd \u00b5\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf \u00b5\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03b5\u03c0\u03b1\u03bd\u03b5\u03b9\u03bb\u03bb\u03b7\u00b5\u03ad\u03bd\u03b5\u03c2 \u00b5\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2\u00a0(\u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2 \u03cc\u03c1\u03bf\u03c2),\u00a0\u03c0\u03b9\u03c3\u03c4\u03b5\u03cd\u03c9,\u00a0\u03c0\u03c1\u03bf\u03ba\u03b1\u03c4\u03b1\u03bb\u03ae\u03c8\u03b5\u03b9\u03c2,\u00a0\u03c3\u03c5\u03b3\u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u03ac\u03bb\u03bb\u03c9\u03bd \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03b9\u03ce\u03bd \u03ba\u03bb\u03c0.\u00a0\u03ae \u03c3\u03c4\u03bf \u03c8\u03c5\u03c7\u03bf\u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf.\u00a0\u039f\u00a0Benedetti (\u201909)\u00a0\u03cc\u00b5\u03c9\u03c2,\u00a0\u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03ba\u03b1\u03c4\u2019\u03b5\u03be\u03bf\u03c7\u03ae\u03bd \u03b1\u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u00b5\u03b5 \u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c4\u03bf\u03c5placebo,\u00a0\u03c0\u03c1\u03bf\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u00b5\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03c5\u03bf \u03cc\u03c1\u03bf\u03c5\u03c2,\u00a0\u00b5\u03cc\u03bd\u03bf \u03c4\u03bf \u03c8\u03c5\u03c7\u03bf\u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf\u00a0\u03b5\u03af\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03b1\u03c6\u03bf\u03c1\u03ac \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03ac\u03c4\u03bf\u00b5\u03bf \u03b5\u03af\u03c4\u03b5 \u03c3\u03b5 \u00b5\u03b9\u03b1 \u03bf\u00b5\u03ac\u03b4\u03b1 \u03c0\u03bf\u03c5 \u03ad\u03bb\u03b1\u03b2\u03b5\u00a0placebo.\u00a0\u0398\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c6\u03b5\u03c1\u03b8\u03b5\u03af \u03c9\u03c3\u03c4\u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03cc \u00b5\u03b5 \u03c4\u03bfplacebo &amp; nocebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1\u00a0(placebo related effect \u2013 nocebo related effect),\u00a0\u03cc\u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c7\u03bf\u03c1\u03b7\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u00b5\u03b5\u03bd \u03ba\u03b1\u03bd\u03ad\u03bd\u03b1\u00ab\u03c8\u03b5\u03c5\u03b4\u03ad\u03c2\u00bb\u00a0\u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf,\u00a0\u03cc\u00b5\u03c9\u03c2 \u03c4\u03bf \u03c8\u03c5\u03c7\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03ba\u03bb\u03af\u00b5\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03b5\u03b9 \u03c4\u03b7 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1,\u00a0\u03c3\u03c5\u03bd\u03bf\u03b4\u03bf\u03af \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2\u00a0(\u03c3\u03c7\u03ae\u00b5\u03b1 \u03c7\u03b1\u03c0\u03b9\u03bf\u03cd,\u00a0\u00b5\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2,\u00a0\u03c7\u03c1\u03ce\u00b5\u03b1 \u03ba.\u03ac),\u00a0\u03c3\u03c5\u00b5\u03b2\u03bf\u03bb\u03b9\u03c3\u00b5\u03bf\u03af,\u00a0\u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u00a0(\u03b8\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2\u00a0\u2013\u00a0\u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2),\u00a0\u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03c3\u03b7(marketing)\u00a0\u03ba\u03bb\u03c0.\u00a0\u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1\u00a0(Benedetti \u201908). H\u00a0\u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ae \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03c0\u03c1\u03b1\u03b3\u00b5\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5 \u03b5\u00b5\u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03cc \u00b5\u03b5\u00a0placebo\u00a0\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf.\u00a0\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1 \u03b7 \u03ba\u03c1\u03c5\u03c6\u03ae \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u03b4\u03b5\u03bd \u03ba\u03b1\u03bb\u03bb\u03b9\u03b5\u03c1\u03b3\u03b5\u03af \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1 \u03c3\u03c4\u03bf\u03bd \u03b1\u03c3\u03b8\u03b5\u03bd\u03ae.\u0397 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u00b5\u03b1\u03c4\u03bf\u03c2 \u00b5\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03b7\u03c2 \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03c1\u03c5\u03c6\u03ae\u03c2 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf\u03bd\u00a0Colloca\u00a0\u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd(\u201804)\u00a0\u03c4\u03bf \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03cc \u00b5\u03b5 \u03c4\u03bf\u00a0placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1.<\/p>\n<p style=\"text-align: justify;\" align=\"center\">\u03a4\u03bf\u00a0<b>Placebo\u00a0<\/b>\u03c3\u03c4\u03b7\u03bd \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1<\/p>\n<p style=\"text-align: justify;\">\u03a4\u03bf\u00a0placebo\u00a0\u03ad\u03c7\u03b5\u03b9 \u03b5\u03b9\u03c3\u03b1\u03c7\u03b8\u03b5\u03af \u03c3\u03c4\u03b9\u03c2 \u039a\u03bb\u03b9\u03bd\u03b9\u03ba\u03ad\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2\u00a0(1)\u00a0\u03b1\u03c0\u03cc \u03c4\u03bf\u00a01900\u00a0\u03ba\u03b1\u03b9 \u03c3\u03ae\u00b5\u03b5\u03c1\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03b7\u03bd \u03ba\u03b1\u03c1\u03b4\u03b9\u03ac \u03c4\u03b7\u03c2 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2,\u00a0\u03b4\u03b5\u03b4\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03b7 \u03b2\u03b1\u03c3\u03b9\u03c3\u00b5\u03ad\u03bd\u03b7 \u03c3\u03b5 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae,\u00a0\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b7 \u03c4\u03b7\u03c2 \u03c5\u03c0\u03b5\u03c1\u03bf\u03c7\u03ae\u03c2 \u00b5\u03b9\u03b1\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2,\u00a0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c4\u03bf\u03c5\u00a0placebo (\u039aaptchuk \u201998).\u00a0\u03a0\u03c1\u03bf\u03b2\u03bb\u03ae\u00b5\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ad\u03ba\u03c5\u03c8\u03b1\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u00b5\u03cc \u03c4\u03c9\u03bd \u00b5\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd,\u00a0\u03c4\u03bf \u03ad\u03b8\u03b5\u03c3\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac \u03ba\u03b1\u03b9\u03c1\u03bf\u03cd\u03c2 \u03c3\u03b5 \u03b1\u00b5\u03c6\u03b9\u03c3\u03b2\u03ae\u03c4\u03b7\u03c3\u03b7<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u03a3\u03c5\u03c7\u03bd\u03ac \u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2 \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03bf\u03b9 \u03bb\u03b1\u00b5\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd placebo\u00a0\u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9,\u00a0\u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b2\u03ad\u03b2\u03b1\u03b9\u03bf \u03cc\u03c4\u03b9 \u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae,\u03bf\u03c6\u03b5\u03af\u03bb\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf placebo\u00a0\u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u00b5\u03b5\u03bd\u03b9\u03ba\u03ae \u03b5\u03be\u03ad\u03bb\u03b9\u03be\u03b7 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03b9\u03bf\u03c5 \u03b5\u03c0\u03ce\u03b4\u03c5\u03bd\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03c1\u03cc\u00b5\u03bf\u03c5,\u00a0\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b5\u00b5\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03b9 \u03b5\u03be\u03ac\u03c1\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03c6\u03ad\u03c3\u03b5\u03b9\u03c2.\u00a0\u0391\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03bf\u00b5\u03ad\u03bd\u03c9\u03c2 \u03b7 \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae \u03c3\u03c4\u03b9\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bf\u00b5\u03ac\u03b4\u03b1\u03c2 \u03b1\u03c3\u03b8\u03b5\u03bd\u03ce\u03bd,\u00a0\u03c0\u03bf\u03c5 \u03bd\u03b1 \u00b5\u03b7 \u03bb\u03b1\u00b5\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03bf\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0A\u03ba\u03cc\u00b5\u03b7 \u03ba\u03b1\u03b9 \u00b5\u03b7 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u00b5\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b5\u03c2 \u03ae placebo,\u00a0\u03b5\u03ac\u03bd \u03c7\u03bf\u03c1\u03b7\u03b3\u03b7\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u00b5\u03b5\u03b3\u03af\u03c3\u03c4\u03b7\u03c2 \u03b5\u03bd\u03cc\u03c7\u03bb\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd \u03bd\u03b1 \u03b8\u03b5\u03c9\u03c1\u03b7\u03b8\u03bf\u03cd\u03bd \u03c8\u03b5\u03c5\u03b4\u03ce\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u00b5\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2,\u00a0\u03b4\u03b5\u03b4\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9,\u00a0\u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u00b5\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03bf\u03be\u03cd \u03b5\u03c0\u03b5\u03b9\u03c3\u03cc\u03b4\u03b9\u03bf \u03c0\u03cc\u03bd\u03bf\u03c5 \u03ae \u00b5\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03b1\u03c0\u03bb\u03ae \u03b5\u03c0\u03af\u03c3\u03ba\u03b5\u03c8\u03b7 \u03c3\u03c4\u03bf\u03bd \u03b5\u03b9\u03b4\u03b9\u03ba\u03cc (Whitney et al, Van Korll et al \u201992)<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u03a0\u03c1\u03bf\u03ba\u03b5\u03b9\u00b5\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b9\u00b5\u03b7\u03b8\u03b5\u03af \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 \u03c4\u03bf\u03c5 placebo,\u00a0\u03c4\u03bf \u00b5\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03c4\u03bf\u03c5 \u03c0\u03cc\u03bd\u03bf\u03c5 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03cc\u00b5\u03b5\u03bd\u03bf (Benedetti \u201996, Levine \u201978, \u201979).\u00a0\u0395\u03c0\u03b9\u03ba\u03c1\u03b1\u03c4\u03ad\u03c3\u03c4\u03b5\u03c1\u03b1 \u00b5\u03bf\u03bd\u03c4\u03ad\u03bb\u03b1 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03bf\u03cd \u03c0\u03cc\u03bd\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03c0\u03cc\u03bd\u03bf\u03c2 \u00b5\u03b5\u03c4\u03ac \u03b8\u03c9\u03c1\u03b1\u03ba\u03bf\u03c4\u03bf\u00b5\u03ae,\u00a0\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03bf\u03b4\u03cc\u03bd\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03af\u03c3\u03c7\u03b1\u03b9\u00b5\u03b7 \u03c0\u03b5\u03c1\u03af\u03b4\u03b5\u03c3\u03b7.\u00a0\u039f\u03b9 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5 \u0392enedetti\u00a0\u03c4\u03b5\u03ba\u00b5\u03b7\u03c1\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u00b5\u03b5\u03bd \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c4\u03b9\u03ba\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c3\u03b8\u03b5\u03bd\u03ce\u03bd \u03c0\u03bf\u03c5 \u03ad\u03bb\u03b1\u03b2\u03b1\u03bd placebo (27%\u00a0\u03af\u03c3\u03c7\u03b1\u03b9\u00b5\u03b7 \u03c0\u03b5\u03c1\u03af\u03b4\u03b5\u03c3\u03b7, 40%\u00a0\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae, 35%\u03b8\u03c9\u03c1\u03b1\u03ba\u03bf\u03c4\u03bf\u00b5\u03ae),\u00a0\u03b4\u03b5\u03bd \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03cc\u00b5\u03c9\u03c2 \u03c4\u03bf \u00b5\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7\u03c2.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 \u00b5\u03b5\u03c4\u03ac -\u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u00b5\u03ac\u03c4\u03c9\u03bd 29\u00a0\u00b5\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd (\u0397robjartsson \u201901), 23\u00a0\u00b5\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd (Cohen \u201902)\u00a0\u03ba\u03b1\u03b9 14\u00a0\u00b5\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd (Vase \u201902)\u00a0\u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9,\u00a0\u03c4\u03bf \u00b5\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03b7\u03c2 placebo\u00a0\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b5\u03ac\u03bd \u03bf \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u00b5\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c5\u00b5\u00b5\u03b5\u03c4\u03ad\u03c7\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ad\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03ae \u03b5\u03ac\u03bd \u03c4\u03bf placebo\u00a0\u03c4\u03bf\u03c5\u03c2 \u03c7\u03bf\u03c1\u03b7\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b5\u03c1\u03b5\u03cd\u03bd\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03ce\u03bd \u03c4\u03bf\u03c5,\u00a0\u03b4\u03b5\u03b4\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03b5\u03af\u03b4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03bb\u03bb\u03b9\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1\u03c2,\u00a0\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u03a3\u03cd\u00b5\u03c6\u03c9\u03bd\u03b1 \u00b5\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03ba\u03cd\u03c1\u03b7\u03be\u03b7 \u03c4\u03bf\u03c5 \u0395\u03bb\u03c3\u03af\u03bd\u03ba\u03b9 (WHO 2000),\u00a0\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03bf\u03c5 placebo\u00a0\u03b4\u03b5\u03bd \u03b1\u03c0\u03b1\u03b3\u03bf\u03c1\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03c6\u03cc\u03c3\u03bf\u03bd \u03bf \u03b1\u03c3\u03b8\u03b5\u03bd\u03ae\u03c2 \u03b5\u03bd\u03b7\u00b5\u03b5\u03c1\u03c9\u03b8\u03b5\u03af \u03cc\u03c4\u03b9 \u03c3\u03c5\u00b5\u00b5\u03b5\u03c4\u03ad\u03c7\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\" align=\"center\">\u00b5\u03b5\u03bb\u03ad\u03c4\u03b7,\u00a0\u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b8\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u00b5\u03bf\u03bd\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1,\u00a0\u03b4\u03b5\u03bd \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af<\/p>\n<p style=\"text-align: justify;\">\u03b2\u03bb\u03ac\u03b2\u03b7,\u00a0\u03b5\u03bd\u03ce \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03c7\u03b8\u03b5\u03af \u03b7 \u03ac\u03c1\u03b9\u03c3\u03c4\u03b7 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 \u03ba\u03b1\u03b8\u03b9\u03ad\u03c1\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u00b5\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf\u03c5 \u00ab\u03ba\u03c1\u03c5\u03c6\u03ae\u03c2 \u2013\u00a0\u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ae\u03c2\u00bb\u00a0\u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03af\u03b4\u03b9\u03bf\u03c5 \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2,\u00a0\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03b7\u03bd \u0397\u03b8\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u0394\u03b5\u03bf\u03bd\u03c4\u03bf\u03bb\u03bf\u03b3\u03af\u03b1.\u00a0\u0394\u03b5\u03b4\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03bf \u03b1\u03c3\u03b8\u03b5\u03bd\u03ae\u03c2 \u03b4\u03b5\u03bd \u03c3\u03c4\u03b5\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2,\u00a0\u03b5\u03bd\u03ce \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b7 placebo\u00a0\u03b4\u03b9\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03cd \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5 (D. Finniss, F. Benedetti, \u201905).<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0H\u00a0\u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u00b5\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c3\u03ae\u00b5\u03b5\u03c1\u03b1 \u03c4\u03bf pladebo\u00a0\u03c3\u03c4\u03b7 \u03c6\u03ac\u03c3\u03b7 \u0399\u0399 \u03ba\u03b1\u03b9 \u03c6\u03ac\u03c3\u03b7 \u0399\u0399\u0399 \u03c4\u03c9\u03bd \u03b4\u03b9\u03c0\u03bb\u03ce\u03bd \u2013\u00a0\u03c4\u03c5\u03c6\u03bb\u03ce\u03bd,\u03c4\u03c5\u03c7\u03b1\u03b9\u03bf\u03c0\u03bf\u03b9\u03b7\u00b5\u03ad\u03bd\u03c9\u03bd,\u00a0\u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u00b5\u03b5\u03bd\u03c9\u03bd \u00b5\u03b5 placebo\u00a0\u00b5\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd (RCTs).\u00a0\u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u00b5\u03cc\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03bf\u00b5\u03ac\u03ba\u03c1\u03c5\u03bd\u03c3\u03b7\u03c2 \u03cc\u03bb\u03c9\u03bd \u03b5\u03ba\u03b5\u03af\u03bd\u03c9\u03bd \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03cc\u03bd\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03bf placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 (\u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u00b5\u03b5 \u03c4\u03b9\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03b2\u03bb.\u00a0\u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b5\u03c6\u03b1\u03bb\u03b1\u03af\u03bf\u03c5).<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0To NNT\u00a0\u03c4\u03bf\u03c5 placebo\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 7(\u0397unsley &amp; Westmacott \u201907)<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\" align=\"center\">\u0395\u03c1\u00b5\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5\u00a0<b>placebo\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">\u039f\u03b9 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ad\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03b4\u03b5\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03c4\u03bf \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u00b5\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c1\u00b5\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03b1\u03b9\u03bd\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03ce\u03bd \u03c4\u03bf\u03c5.\u00a0\u0397 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b7 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bb\u03ae\u03b3\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1\u00a0placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u00b5\u03b1\u03c4\u03b1,\u00a0\u00b5\u03b5 \u03c4\u03b7 \u03c3\u03c5\u00b5\u00b5\u03b5\u03c4\u03bf\u03c7\u03ae \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03c9\u03bd \u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ce\u03bd \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03c9\u03bd \u03b5\u03bd\u03b4\u03bf\u03b3\u03b5\u03bd\u03ce\u03bd \u03ba\u03c5\u03ba\u03bb\u03c9\u00b5\u03ac\u03c4\u03c9\u03bd,\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u00b5\u03b5 \u03c4\u03b7\u00a0\u03bd\u03cc\u03c3\u03bf,\u00a0\u03c4\u03b7 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1,\u00a0\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03c4\u03bf\u03c5 \u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5.\u00a0\u039f \u03c0\u03cc\u03bd\u03bf\u03c2,\u00a0\u03b7 \u03ba\u03b1\u03c4\u03ac\u03b8\u03bb\u03b9\u03c8\u03b7,\u00a0\u03b7 \u03bd\u03cc\u03c3\u03bf\u03c2\u00a0Parkinson\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u00b5\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03bd\u03bf\u03c3\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ad\u03c2 \u03bf\u03bd\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03b5\u03ba\u03c6\u03c1\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b1\u03c6\u03ce\u03c2 \u03c4\u03bfplacebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1,\u00a0\u03c3\u03b5 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03c4\u03c9\u03bd\u00a0Benedetti &amp; Kirsch.\u00a0\u0397 \u03b3\u03bd\u03ce\u03c3\u03b7 \u03b4\u03b5,\u00a0\u03b7 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ae \u00b5\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03bd\u03b5\u03c5\u03c1\u03bf\u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03bf\u03cd\u03c2 \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03bf\u03cd\u03c2,\u00a0\u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03b5\u03b4\u03af\u03bf \u03c4\u03bf\u03c5 \u03c0\u03cc\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2.\u00a0\u039a\u03bf\u03b9\u03bd\u03bf\u03af \u03ba\u03b1\u03b9 \u03ba\u03cd\u03c1\u03b9\u03bf\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2,\u00a0\u03c0\u03bf\u03c5 \u03b1\u03bd\u03ae\u03ba\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03c3\u03c5\u03bd\u03b5\u03b9\u03b4\u03b7\u03c4\u03cc\u00a0(conscious)\u00a0\u03ae \u03c3\u03c4\u03bf \u03b1\u03c3\u03c5\u03bd\u03b5\u03af\u03b4\u03b7\u03c4\u03bf\u00a0(unconscious),\u00a0\u03ba\u03b1\u03b9 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u00b5\u03c6\u03ac\u03bd\u03b9\u03c3\u03b7,\u00a0\u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03c4\u03bf \u00b5\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5\u00a0placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u00b5\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9,\u00a0\u03b7 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1\u00a0(expectancy)\u00a0\u03ba\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u00b5\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u00a0\u2013\u00a0\u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7\u00a0(preconditioning \u2013 conditioning).<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u03a0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1 (expectancy):\u00a0\u0391\u03bd\u03ae\u03ba\u03b5\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b5\u03b9\u03b4\u03b7\u03c4\u03ad\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2.\u00a0\u03a4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03b4\u03af\u03b4\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc\u03c2 \u03c1\u03cc\u03bb\u03bf\u03c2 (\u03ba\u03bb\u03b5\u03b9\u03b4\u03af \u03c4\u03b7\u03c2 placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2, Fields 2000),\u00a0\u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03b4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u00b5\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5 \u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2 \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2.\u00a0\u0394\u03b5\u03bd \u03b4\u03c1\u03b1<\/p>\n<p style=\"text-align: justify;\" align=\"center\">\u00b5\u03cc\u03bd\u03b7 \u03c4\u03b7\u03c2,\u00a0\u03b1\u03bb\u03bb\u03ac \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u00b5\u03bd\u03ae\u00b5\u03b7,\u00a0\u03c4\u03b1 \u03ba\u03af\u03bd\u03b7\u03c4\u03c1\u03b1,\u00a0\u03c4\u03b7\u03bd \u03b5\u03bb\u03c0\u03af\u03b4\u03b1,\u00a0\u03c4\u03b7\u03bd<\/p>\n<p style=\"text-align: justify;\">\u03b5\u00b5\u03c0\u03b9\u03c3\u03c4\u03bf\u03c3\u03cd\u03bd\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7\u00a0(Hawthorne effect). A\u03c0\u03cc \u03bd\u03b5\u03c5\u03c1\u03bf\u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03ac\u03c0\u03bf\u03c8\u03b7,\u00a0\u03b7 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf\u03bd \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03cc \u03c4\u03bf\u03c5 \u03ac\u03b3\u03c7\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u00b5\u03b1\u03c4\u03bf\u03c2 \u03b1\u03bd\u03c4\u03b1\u00b5\u03bf\u03b9\u03b2\u03ae\u03c2\u00a0(reward mechanism).\u00a0\u03a4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u00b5\u03b1 \u03b1\u03bd\u03c4\u03b1\u00b5\u03bf\u03b9\u03b2\u03ae\u03c2 \u03c0\u03b5\u03c1\u03b9\u03ba\u03bb\u03b5\u03af\u03b5\u03b9 \u03bd\u03b5\u03c5\u03c1\u03c9\u03bd\u03b9\u03ba\u03ac \u03ba\u03c5\u03ba\u03bb\u03ce\u00b5\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03c5\u03bd \u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2\u00a0\u2013\u00a0\u03c3\u03c5\u03bd\u03b1\u03b9\u03c3\u03b8\u03b7\u00b5\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2.\u00a0\u039f\u00a0nucleus acumbens\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03c1\u03b4\u03b9\u03ac \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u00b5\u03b1\u03c4\u03bf\u03c2 \u03b1\u03bd\u03c4\u03b1\u00b5\u03bf\u03b9\u03b2\u03ae\u03c2,\u00a0\u03b5\u03b4\u03c1\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03b3\u03ac\u03b3\u03b3\u03bb\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03cd\u03c1\u03b9\u03bf\u03c2 \u03bd\u03b5\u03c5\u03c1\u03bf\u03b4\u03b9\u03b1\u03b2\u03b9\u03b2\u03b1\u03c3\u03c4\u03ae\u03c2 \u03c4\u03bf\u03c5,\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bd\u03c4\u03bf\u03c0\u03b1\u00b5\u03af\u03bd\u03b7,\u00a0\u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b4\u03b5 \u00b5\u03b7\u03bd\u03cd\u00b5\u03b1\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03c4\u03ad\u03bb\u03b5\u03c7\u03bf\u03c2(ventral tegmental area)\u00a0\u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd\u00a0(orbitofrontal cortex)\u00a0\u03c0\u03c1\u03bf\u00b5\u03b5\u03c4\u03c9\u03c0\u03b9\u03b1\u03af\u03bf \u03bb\u03bf\u03b2\u03cc,\u00a0\u03c4\u03b7\u03bd \u03b1\u00b5\u03c5\u03b3\u03b4\u03b1\u03bb\u03ae\u00a0(amygdala),\u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b8\u03b1\u03bb\u03b1\u00b5\u03b9\u03ba\u03ad\u03c2,\u00a0\u03c5\u03c0\u03b5\u03c1\u03b8\u03b1\u03bb\u03b1\u00b5\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03c0\u03bf\u03b8\u03b1\u03bb\u03b1\u00b5\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u00b5\u03ad\u03c2\u00a0(PAG).\u00a0\u03a3\u03c4\u03bf\u03bd\u00a0nucleus accumbens\u03b4\u03b9\u03b1\u00b5\u03bf\u03c1\u03c6\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u00b5\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03c4\u03af\u03bb\u03b7\u03c8\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03ba\u03bb\u03b9\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03bd\u03b1\u00b5\u03b5\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0<b>Conditioning\u00a0<\/b>(\u03c0\u03c1\u03bf\u03b3\u03cd\u00b5\u03bd\u03b1\u03c3\u03b7\u00a0\u2013\u00a0\u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7\u00a0\u2013\u00a0\u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u00b5\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7):\u00a0\u039f \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u00b5\u03cc\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03b5\u03c1\u03b5\u03b8\u03af\u03c3\u00b5\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03cd(unconditioned)\u00a0\u03c0.\u03c7.\u00a0\u03c6\u03b1\u03c1\u00b5\u03b1\u03ba\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03bf\u03c5\u03c3\u03af\u03b1 \u03ae \u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc\u03c2 \u03bf\u03c1\u03cc\u03c2,\u00a0\u00b5\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03b9\u03b1\u00b5\u03bf\u03c1\u03c6\u03c9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ae \u03b5\u03c1\u03ad\u03b8\u03b9\u03c3\u00b5\u03b1\u00a0(conditioned)\u00a0\u03c0.\u03c7.\u00a0\u03c3\u03c7\u03ae\u00b5\u03b1,\u00a0\u03bf\u03c3\u00b5\u03ae,\u00a0\u03c7\u03c1\u03ce\u00b5\u03b1,\u00a0\u03c3\u03cd\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03bb\u03c0,\u00a0\u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf\u00a0placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1.\u00a0\u039a\u03bb\u03b1\u03c3\u03b9\u03ba\u03cc \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u00b5\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7\u03c2\u00a0(conditioning)\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u00b5\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u00b5\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5placebo\u00a0\u03c3\u03c4\u03bf\u03bd \u03c0\u03cc\u03bd\u03bf,\u00a0\u03b5\u03ac\u03bd \u03b1\u03c5\u03c4\u03cc \u03b4\u03bf\u03b8\u03b5\u03af \u00b5\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u00b5\u03b5\u03bd\u03b5\u03c2 \u03c7\u03bf\u03c1\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd\u00a0(\u0391manzio &amp; Benedetti \u201999)\u00a0\u03ae \u03bf \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u00b5\u03cc\u03c2 \u03c4\u03bf\u03c5\u00a0placebo\u00a0\u00b5\u03b5 \u03ad\u03bd\u03b1 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b5\u03c0\u03ce\u03b4\u03c5\u03bd\u03bf \u03b5\u03c1\u03ad\u03b8\u03b9\u03c3\u00b5\u03b1,\u00a0\u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5\u00a0placebo (\u03c0\u03b5\u03b9\u03c1\u03ac\u00b5\u03b1\u03c4\u03b1\u00a0Voudouris \u201989, ;90).\u00a0\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u00b5\u03b5 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03bd\u03b1 \u03c0\u03bf\u03cd\u00b5\u03b5 \u03cc\u03c4\u03b9 \u03b7\u00a0placebo\u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u00b5\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b4\u03ac\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9\u00a0(<b>learning phenomenon<\/b>)\u00a0\u00b5\u03b5 \u03c4\u03b7 \u03c3\u03c5\u00b5\u00b5\u03b5\u03c4\u03bf\u03c7\u03ae \u03c3\u03cd\u00b5\u03c0\u03bb\u03bf\u03ba\u03c9\u03bd \u03b3\u03bd\u03c9\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ce\u03bd.\u00a0\u0397 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1 \u03cc\u00b5\u03c9\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03b1\u03c3\u00b5\u03cc\u03c2\u00a0(suggestions)\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd\u00a0placebo\u00a0\u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b4\u03c1\u03bf\u03c5\u03bd \u03b1\u03b8\u03c1\u03bf\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03b7 \u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7\u00a0(Stewart \u2013 Williams &amp; Podd \u201904),\u00a0\u03b5\u03bd\u03ce \u03cc\u03c4\u03b1\u03bd \u03b1\u03af\u03c1\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1,\u00a0\u03c4\u03bf\u00a0placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 \u03c6\u03b8\u03af\u03bd\u03b5\u03b9,\u00a0\u03ad\u03c3\u03c4\u03c9 \u03ba\u03b1\u03b9 \u03b5\u03ac\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c1\u03bf\u03b7\u03b3\u03b7\u03b8\u03b5\u03af \u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7(Montgomery, Kirsch \u201997). H placebo\u00a0\u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u00b5\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03b5\u03ba\u03b3\u03cd\u00b5\u03bd\u03b1\u03c3\u03b7\u00a0(conditioning)\u00a0\u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c3\u03c5\u03bd\u03b5\u03b9\u03b4\u03b7\u03c4\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1.\u00a0\u0397 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03c0.\u03c7.\u00a0\u03c4\u03bf\u03c5 \u03b5\u03bd\u03b4\u03bf\u03ba\u03c1\u03b9\u03bd\u03b9\u03ba\u03bf\u03cd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03bf\u03c3\u03bf\u03c0\u03bf\u03b9\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03c3\u03c4\u03ae\u00b5\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c3\u03c5\u03bd\u03b5\u03af\u03b4\u03b7\u03c4\u03b7.\u00a0\u0397 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1 \u03b5\u03b4\u03ce \u03b4\u03b5\u03bd \u03c0\u03b1\u03af\u03b6\u03b5\u03b9 \u03c1\u03cc\u03bb\u03bf.\u00a0\u0391\u03ba\u03cc\u00b5\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03ac\u03bd \u03b1\u03c5\u03c4\u03ae \u03b4\u03b5\u03bd \u03ba\u03b1\u03bb\u03bb\u03b9\u03b5\u03c1\u03b3\u03b7\u03b8\u03b5\u03af,\u00a0\u03ad\u03c7\u03bf\u03c5\u00b5\u03b5 \u03ad\u03bd\u03b1 \u00b5\u03b9\u03ba\u03c1\u03cc \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc<\/p>\n<p style=\"text-align: justify;\" align=\"center\">placebo\u00a0\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2\u00a0(Benedetti \u201999).\u00a0\u03a4\u03bf \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03b1\u03c5\u03c4\u03cc \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03cc\u03c4\u03b1\u03bd<\/p>\n<p style=\"text-align: justify;\">\u03c4\u03bf \u03b5\u03c1\u03ad\u03b8\u03b9\u03c3\u00b5\u03b1 \u03c0.\u03c7.\u00a0\u03c0\u03cc\u03bd\u03bf\u03c2,\u00a0\u03b4\u03b9\u03b1\u03c4\u03b1\u03c1\u03ac\u03c3\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b3\u03b1\u03bd\u03b9\u03c3\u00b5\u03bf\u03cd,\u00a0\u03b7 \u03b1\u03c3\u03c5\u03bd\u03b5\u03af\u03b4\u03b7\u03c4\u03b7\u00a0placebo\u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7,\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u00b5\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03bf\u00b5\u03bf\u03b9\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 \u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u00a0\u03c4\u03bf\u03c5 \u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2 (optimism \u2013 pessimism)\u00a0\u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd placebo\u00a0\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7,\u00a0\u03b5\u03c6\u03cc\u03c3\u03bf\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03bf\u03b8\u03b5\u03af \u03b8\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 (Geers &amp;\u00a0\u03c3\u03c5\u03bd \u201907).<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u00b5\u03b5\u03bd\u03b7 \u03b5\u00b5\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b7\u00a0\u03b1\u03c4\u03bf\u00b5\u03b9\u03ba\u03ae \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1\u00a0\u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u00b5\u03b1\u03c4\u03bf\u03c2 \u03b1\u03bd\u03c4\u03b1\u00b5\u03bf\u03b9\u03b2\u03ae\u03c2 (\u03bd\u03c4\u03bf\u03c0\u03b1\u00b5\u03b9\u03bd\u03b5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03bf\u03bd nucleus accubens)\u00a0\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u00b5\u03b5\u03c1\u03b9\u03bao\u03cd\u03c2 \u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03b1\u03c0\u03cc \u03ac\u03bb\u03bb\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b7\u03bd placebo\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7.\u00a0\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf \u03b7 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c3\u03b5 \u03b3\u03b5\u03bd\u03b5\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c8\u03c5\u03c7\u03bf\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03b6\u03b5\u03c4\u03b1\u03b9<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 \u03ba\u03bf\u03b9\u03bd\u03ae \u03c4\u03bf\u03c0\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1 \u03c3\u03c4\u03bf\u03bd \u03b5\u03b3\u03ba\u03ad\u03c6\u03b1\u03bb\u03bf \u03c4\u03c9\u03bd \u03c3\u03c5\u03bd\u03b1\u03b9\u03c3\u03b8\u03b7\u00b5\u03ac\u03c4\u03c9\u03bd \u03c4\u03bf\u03c5 \u03c0\u03cc\u03bd\u03bf\u03c5,\u00a0\u03c4\u03b7\u03c2 \u03c7\u03ac\u03c1\u03b1\u03be\u03b7\u03c2 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae\u03c2,\u00a0\u03c4\u03b7\u03c2 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7\u03c2 \u03c3\u03b5 \u03b5\u03be\u03c9\u03b3\u03b5\u03bd\u03b5\u03af\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b5\u03c2 (\u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u00b5\u03b5 placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1)\u00a0\u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 placebo,\u00a0\u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9,\u00a0\u03c4\u03bf \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03bf \u03c5\u03c0\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03b1\u03c0\u03cc \u03b1\u03bd\u03ce\u03c4\u03b5\u03c1\u03b1 \u03ba\u03af\u03bd\u03b7\u03c4\u03c1\u03b1.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03bf\u03c5 \u03b5\u03af\u03b4\u03bf\u03c5\u03c2 \u03b3\u03b9\u03b1 placebo\u00a0\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03ae \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ae \u00b5\u03b5 placebo\u00a0\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 \u03c4\u03b7\u03c2 \u03c8\u03c5\u03c7\u03bf\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03be\u03ad\u03bb\u03b9\u03be\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03ad\u03c3\u03b7 \u00b5\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bb\u03bb\u03b9\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03bb\u03c0\u03af\u03b4\u03b1\u03c2,\u00a0\u03c4\u03b7\u03c2 \u03b5\u00b5\u03c0\u03b9\u03c3\u03c4\u03bf\u03c3\u03cd\u03bd\u03b7\u03c2,\u03c4\u03b7\u03c2 \u03c6\u03c1\u03bf\u03bd\u03c4\u03af\u03b4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03c0\u03b9\u03c3\u03c4\u03b5\u03cd\u03c9 \u00b5\u03b9\u03b1\u03c2 \u03bf\u00b5\u03ac\u03b4\u03b1\u03c2,\u00a0\u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b4\u03b5 \u03c3\u03b1\u03bd \u03ad\u03bd\u03b1 \u00ab\u03b5\u03bd\u03b4\u03bf\u03b3\u03b5\u03bd\u03ad\u03c2 \u03c3\u03cd\u03c3\u03c4\u03b7\u00b5\u03b1 \u03a5\u03b3\u03b5\u03af\u03b1\u03c2\u00bb (Evans \u201903, Humphrey \u201902)<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\" align=\"center\"><b>To placebo\u00a0<\/b>\u03c3\u03c4\u03bf\u03bd \u03c0\u03cc\u03bd\u03bf<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03bb\u03ad\u03bf\u03bd \u00b5\u03b5\u03bb\u03b5\u03c4\u03b7\u00b5\u03ad\u03bd\u03bf \u00b5\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf placebo\u00a0\u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2.\u00a0\u0392\u03b1\u03c3\u03b9\u03ba\u03cc\u03c2 \u03bb\u03cc\u03b3\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03bf \u03c0\u03cc\u03bd\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u00b5\u03b9\u03b1 \u03c5\u03c0\u03bf\u03ba\u03b5\u03b9\u00b5\u03b5\u03bd\u03b9\u03ba\u03ae \u03b5\u00b5\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c4\u03b7\u03bd \u00b5\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c8\u03c5\u03c7\u03bf\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ae \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7.\u00a0\u039f Beecher (\u201950 \u2013 \u201955)\u00a0\u00b5\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u0392\u2019\u00a0\u03a0\u03b1\u03b3\u03ba\u03bf\u03c3\u00b5\u03af\u03bf\u03c5 \u03a0\u03bf\u03bb\u03ad\u00b5\u03bf\u03c5,\u00a0\u03ba\u03b1\u03b9 \u03b5\u03bd \u03c3\u03c5\u03bd\u03b5\u03c7\u03b5\u03af\u03b1 \u00b5\u03b5 \u03c4\u03b7 \u03b4\u03b7\u00b5\u03bf\u03c3\u03af\u03b5\u03c5\u03c3\u03b7 15\u00a0\u00b5\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd,\u00a0\u03c0\u03c1\u03ce\u03c4\u03bf\u03c2 \u03b4\u03b9\u03b1\u03c0\u03af\u03c3\u03c4\u03c9\u03c3\u03b5 \u03c4\u03b7\u03bd placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1 (\u03b5\u03bb\u03ac\u03c4\u03c4\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bf\u03be\u03ad\u03bf\u03c2 \u03c0\u03cc\u03bd\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac 50%\u00a0\u03c3\u03c4\u03bf 15 \u2013 53%\u00a0\u03c4\u03c9\u03bd \u03c4\u03c1\u03b1\u03c5\u00b5\u03b1\u03c4\u03b9\u03ce\u03bd).<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u039f \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u00b5\u03cc\u03c2 \u03c4\u03c9\u03bd \u00b5\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd \u03c0\u03b1\u03af\u03b6\u03b5\u03b9 \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03c1\u03cc\u03bb\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c4\u03b7\u03c2 placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u03a4\u03bf \u00b5\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03b7\u03c2 placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\">\u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u00b5\u03b5\u03bd\u03b7 \u03b1\u03c4\u03bf\u00b5\u03b9\u03ba\u03ae \u03b5\u00b5\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03c0\u03cc\u03bd\u03bf\u03c5.\u00a0\u039f\u03b9 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2,\u00a0\u03c0\u03bf\u03c5 \u03ba\u03b1\u03bb\u03bb\u03b9\u03b5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u00b5\u03ad\u03bd\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b5\u03c2,\u00a0\u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03bf\u03cd\u03bd \u00b5\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7\u00a0placebo\u00a0\u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7.\u00a0\u0391\u03c5\u03c4\u03cc \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u00b5\u03b5 \u03c4\u03b7\u03bd \u00b5\u03b5\u03b9\u03c9\u00b5\u03ad\u03bd\u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd,\u00a0\u03cc\u03c4\u03b1\u03bd \u03b1\u03c5\u03c4\u03ac \u03c7\u03bf\u03c1\u03b7\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03b9\u03c6\u03bd\u03b9\u03b4\u03af\u03c9\u03c2 \u03ae \u03ba\u03c1\u03c5\u03c6\u03ac\u00a0(\u0391manzio \u201907)<\/p>\n<p style=\"text-align: justify;\" align=\"center\">\u039d\u03b5\u03c5\u03c1\u03bf\u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03c4\u03b7\u03c2\u00a0<b>placebo\u00a0<\/b>\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2<\/p>\n<p style=\"text-align: justify;\">\u0397 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7\u00a0placebo\u00a0\u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf \u03b5\u03bd\u03b4\u03bf\u03b3\u03b5\u03bd\u03ad\u03c2 \u03c3\u03cd\u03c3\u03c4\u03b7\u00b5\u03b1 \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2.\u00a0\u0391)\u00a0\u03a4\u03bf \u03b5\u03bd\u03b4\u03bf\u03b3\u03b5\u03bd\u03ad\u03c2 \u03bf\u03c0\u03b9\u03b5\u03c1\u03b3\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u00b5\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03ba\u03cd\u03c1\u03b9\u03bf\u03c2 \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03cc\u03c2\u00a0(Colloca &amp; Benedetti \u201905)\u00a0\u03c9\u03c3\u03c4\u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03bf\u03b9 \u00b5\u03b7\u00a0\u2013\u00a0\u03bf\u03c0\u03b9\u03b5\u03c1\u03b3\u03b9\u03ba\u03bf\u03af \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03bf\u03af \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1\u00a0(\u039cillan \u201902) -H\u00a0\u03c3\u03c5\u00b5\u00b5\u03b5\u03c4\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5\u00a0\u039f\u03c0\u03b9\u03b5\u03c1\u03b3\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03c3\u03c4\u03ae\u00b5\u03b1\u03c4\u03bf\u03c2\u00a0\u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03ce\u03b8\u03b7\u03ba\u03b5 \u00b5\u03b5 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c4\u03b7\u03c2placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2 \u00b5\u03b5 \u03bd\u03b1\u03bb\u03bf\u03be\u03cc\u03bd\u03b7,\u00a0\u03c4\u03b7 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b3\u03bb\u03bf\u03c5\u00b5\u03af\u03b4\u03b7\u03c2\u00a0(\u03b1\u03bd\u03c4\u03b1\u03b3\u03c9\u03bd\u03b9\u03c3\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c7\u03bf\u03bb\u03bf\u03ba\u03c5\u03c3\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c2\u00a0(cck),\u00a0\u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b1\u03bd\u03c4\u03b1\u03b3\u03c9\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03bf\u03c0\u03b9\u03bf\u03b5\u03b9\u03b4\u03ae)\u00a0\u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03c4\u03b5\u03c5\u03be\u03b7 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2\u00a0placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2,\u00a0\u03c4\u03b7\u03bd \u00b5\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03bd\u03b4\u03bf\u03c1\u03c6\u03b9\u03bd\u03ce\u03bd \u03c3\u03c4\u03bf \u0395\u039d\u03a5 \u03ba.\u03ac\u00a0.\u00a0\u03a7\u03c1\u03b7\u03c3\u03b9\u00b5\u03bf\u03c0\u03bf\u03b9\u03ae\u03b8\u03b7\u03ba\u03b1\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c1\u03b1\u03b4\u03b9\u03bf\u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u00b5\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9\u00a0(PET, fMRI)\u00a0\u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u00b5\u03cc \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ce\u03bd \u03c4\u03bf\u03c5 \u03b5\u03b3\u03ba\u03b5\u03c6\u03ac\u03bb\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03b5\u00b5\u03c0\u03bb\u03ad\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd\u00a0placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1<\/p>\n<p style=\"text-align: justify;\">(D. Wager \u201905).<\/p>\n<p style=\"text-align: justify;\">\u03a0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c0\u03bb\u03bf\u03cd\u03c3\u03b9\u03b5\u03c2 \u03c3\u03b5 \u03c5\u03c0\u03bf\u03b4\u03bf\u03c7\u03b5\u03af\u03c2 \u03bf\u03c0\u03b9\u03bf\u03b5\u03b9\u03b4\u03ce\u03bd \u03c0\u03bf\u03c5 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u00b5\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7\u00a0placebo\u00a0\u03b5\u03af\u03bd\u03b1\u03b9:\u00a0\u03b7periaqueductal grey (PAG), o dorsal raphe, o nuncleus coneiformis,\u00a0\u03b7\u00a0amygdale,\u00a0\u03bf\u00a0orbitofrontal cortex,\u00a0\u03b7\u00a0insula, o rostral anterior cingulate\u00a0\u03ba\u03b1\u03b9\u00a0o lateral prefrontal cortex.\u00a0\u0397 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7\u00a0placebo\u00a0\u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u00b5\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03b7\u03c2\u00a0PAG\u00a0\u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u00a0rostral anterior cingulate cortex (ACC)\u00a0\u03ba\u03b1\u03b8\u03ce\u03c2 \u00b5\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u00a0limbic system\u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u00a0prefrontal cortex (DLPFC). -H\u00a0\u03ba\u03b1\u03bb\u03bb\u03b9\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03bf \u03bf\u03c0\u03b9\u03b5\u03c1\u03b3\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u00b5\u03b1.\u00a0\u0391\u03c5\u03c4\u03cc \u03c4\u03bf\u00a0placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bd\u03b1\u03bb\u03bf\u03be\u03cc\u03bd\u03b7.\u00a0\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1 \u03b1\u03bd \u03c0\u03c1\u03bf\u03b7\u03b3\u03b7\u03b8\u03b5\u03af \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03c1\u03bf\u03b5\u03ba\u03b3\u03cd\u00b5\u03b1\u03bd\u03c3\u03b7\u03c2 \u00b5\u03b5 \u00b5\u03b7\u00a0\u2013\u00a0\u03bf\u03c0\u03b9\u03bf\u03b5\u03b9\u03b4\u03ad\u03c2 \u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf\u00a0(\u03c0.\u03c7.\u00a0\u03ba\u03b5\u03c4\u03bf\u03bb\u03bf\u03c1\u03ac\u03ba\u03b7),\u00a0\u03c4\u03bf\u00a0placebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1 \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bd\u03b1\u03bb\u03bf\u03be\u03cc\u03bd\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03b4\u03af\u03b4\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ac\u03bb\u03bb\u03c9\u03bd \u03c3\u03c5\u03c3\u03c4\u03b7\u00b5\u03ac\u03c4\u03c9\u03bd.\u00a0\u0392).\u00a0\u0397\u00a0placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u00b5\u03b1\u03c4\u03bf\u03c2 \u03b1\u03bd\u03c4\u03b1\u00b5\u03bf\u03b9\u03b2\u03ae\u03c2\u00a0(\u03bd\u03c4\u03bf\u03c0\u03b1\u00b5\u03b9\u03bd\u03b5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03b2\u03af\u03b2\u03b1\u03c3\u03b7).\u00a0\u0397 \u00b5\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7\u00a0placebo\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1 \u03b5\u03c0\u03b9\u03c4\u03c5\u03b3\u03c7\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b9\u03c3\u03c4\u03b5\u03cd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03b8\u03b1 \u03bb\u03ac\u03b2\u03bf\u03c5\u03bd \u03b5\u03bd\u03b5\u03c1\u03b3\u03cc<\/p>\n<p style=\"text-align: justify;\" align=\"center\">\u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf \u03ae \u03ad\u03c7\u03b5\u03b9 \u03b3\u03af\u03bd\u03b5\u03b9 \u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7 \u03c4\u03bf\u03c5\u00a0placebo\u00a0\u00b5\u03b5 \u03b5\u03bd\u03b5\u03c1\u03b3\u03cc \u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf\u00a0(Scott et al \u201907).<\/p>\n<p style=\"text-align: justify;\">M\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u00b5\u03b5\u00a0f MRI &amp; PET\u00a0\u03ad\u03b4\u03b5\u03b9\u03be\u03b1\u03bd \u03b1\u03c5\u03be\u03b7\u00b5\u03ad\u03bd\u03b7 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03b1\u00a0ventral basal gaglia\u00a0\u03c3\u03c5\u00b5\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u00b5\u03b2\u03b1\u03bd\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5 \u03c4\u03bf\u03c5\u00a0nucleus accumbens.\u00a0\u0397 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5\u00a0nucleus accumbens\u00a0\u03b5\u03c5\u03b8\u03cd\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf\u00a025%\u00a0\u03c4\u03b7\u03c2\u00a0placebo\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2.\u00a0\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1 \u03c3\u03c4\u03bf\u00a0nocebo\u00a0\u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf \u03ad\u03c7\u03bf\u03c5\u00b5\u03b5 \u00b5\u03b5\u03b9\u03c9\u00b5\u03ad\u03bd\u03b7 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b7 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae.<\/p>\n<p style=\"text-align: justify;\">\u0391\u03bd\u03b1\u03ba\u03b5\u03c6\u03b1\u03bb\u03b1\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2,\u00a0\u03cc\u03c4\u03b1\u03bd \u03c7\u03bf\u03c1\u03b7\u03b3\u03bf\u03cd\u00b5\u03b5\u00a0placebo\u00a0\u03ad\u03c7\u03bf\u03c5\u00b5\u03b5\u00a0\u00b5\u03b5\u03b9\u03c9\u00b5\u03ad\u03bd\u03b7 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03b9\u03c2\u00a0anterior cingulate, cortex),\u03b1\u03c5\u03be\u03b7\u00b5\u03ad\u03bd\u03b7\u00a0\u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b5\u00b5\u03c0\u03bb\u03ad\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u00b5\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1,\u00a0\u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u00b5\u03b5 \u03b1\u03c5\u03c4\u03ae,\u00a0\u03c4\u03b7\u03bd \u03b5\u03ba\u03c4\u03af\u00b5\u03b7\u03c3\u03ae \u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03ba\u03bb\u03b9\u03c3\u03ae \u03c4\u03b7\u03c2\u00a0(\u03bfrbitofrontal contex, dorsolateral prefrontal cortex, rostral anterior cingulated cortex &amp; PAG)\u00a0\u03ba\u03b1\u03b9\u00a0\u03b1\u03c5\u03be\u03b7\u00b5\u03ad\u03bd\u03b7 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u00b5\u03b1 \u03b1\u03bd\u03c4\u03b1\u00b5\u03bf\u03b9\u03b2\u03ae\u03c2\u00a0(nucleus accumbens) (2).<\/p>\n<p style=\"text-align: justify;\" align=\"center\"><b>Nocebo &#8211;<\/b>\u03c5\u03c0\u03b5\u03c1\u03b1\u03bb\u03b3\u03af\u03b1<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u03a4\u03bf nocebo\u00a0\u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03c5\u03c7\u03bd\u03cc \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u00b5\u03b5\u03c1\u03b9\u03bd\u03ae \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae (\u0392enedetti &amp;\u00a0\u03c3\u03c5\u03bd \u201907).\u00a0\u039a\u03bb\u03b1\u03c3\u03b9\u03ba\u03ac \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u00b5\u03b1\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03af\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03cc\u03bd\u03bf\u03c5 \u00b5\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03ba\u03bf\u03af\u03bd\u03c9\u03c3\u03b7 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b9\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7\u03c2,\u00a0\u03c4\u03b7 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2,\u00a0\u03c4\u03b7\u03bd \u03b5\u00b5\u03c6\u03ac\u03bd\u03b9\u03c3\u03b7 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b5\u03c1\u03b3\u03b5\u03b9\u03ce\u03bd,\u00a0\u03c4\u03b9\u03c2 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b1 MME\u00a0\u03ba.\u03ac.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u00ab\u03b1\u03bd\u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03cd\u00bb\u00a0\u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03b5\u03cc\u00b5\u03b5\u03bd\u03bf\u03c5 \u00b5\u03b5 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2,\u00a0\u03bf\u03b4\u03b7\u03b3\u03b5\u03af \u03c3\u03b5 \u03c5\u03c0\u03b5\u03c1\u03b1\u03bb\u03b3\u03af\u03b1.\u00a0\u0397 \u00ab\u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ae \u2013\u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03ae\u00bb\u00a0\u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae \u00b5\u03b9\u03b1\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2 \u03c0.\u03c7.\u00a0\u03c4\u03b7\u03c2 \u039c\u03bf\u03c1\u03c6\u03af\u03bd\u03b7\u03c2 \u039c\u03a4\u03a7,\u00a0\u03bf\u03b4\u03b7\u03b3\u03b5\u03af \u03c3\u03b5 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03b3\u03ba\u03ce\u03bd \u03c3\u03b5 \u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c4\u03b9\u03ba\u03ac,\u03c3\u03c4\u03bf\u03c5\u03c2 \u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03ae\u03ba\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03bf\u00b5\u03ac\u03b4\u03b1 \u03c4\u03b7\u03c2 \u00ab\u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ae\u03c2\u00bb\u00a0\u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 (Colloca \u201904),\u00a0\u03b4\u03b5\u03b4\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03bf\u03cd\u03c2 \u03ba\u03b1\u03bb\u03bb\u03b9\u03b5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03c6\u03cc\u03b2\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u03a3\u03ae\u00b5\u03b5\u03c1\u03b1 \u03b3\u03b9\u03b1 \u03bb\u03cc\u03b3\u03bf\u03c5\u03c2 \u03b7\u03b8\u03b9\u03ba\u03ae\u03c2 \u03c4\u03bf nocebo\u00a0\u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf \u00b5\u03b5\u03bb\u03b5\u03c4\u03ac\u03c4\u03b1\u03b9,\u00a0\u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03b7 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u00ab\u03b1\u03bd\u03b5\u03c1\u03b3\u03bf\u03cd\u00bb\u00a0\u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5,\u00a0\u03b1\u03bb\u03bb\u03ac \u00b5\u03cc\u03bd\u03bf \u00b5\u03b5 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd (\u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03cc \u00b5\u03b5 nocebo\u00a0\u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u00b5\u03b1).<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u039f\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b5\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 (fMRI)\u00a0\u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03b3\u03ba\u03b5\u03c6\u03ac\u03bb\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u00b5\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b2\u03af\u03b2\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03cc\u03bd\u03bf\u03c5 (ACC, DLPFC, insula thalamus)\u00a0\u03ba\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c4\u03c4\u03ce\u03bd\u03bf\u03c5\u03bd \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c3\u03c4\u03bf\u03bd nucleus accumbens.<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u039a\u03cd\u03c1\u03b9\u03bf\u03c2 \u03b4\u03b9\u03b1\u03b2\u03b9\u03b2\u03b1\u03c3\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 nocebo \u2013\u00a0\u03c5\u03c0\u03b5\u03c1\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c7\u03bf\u03bb\u03bf\u03ba\u03c5\u03c3\u03c4\u03bf\u03ba\u03af\u03bd\u03b7 (CCK).\u00a0\u0397 \u03b4\u03c1\u03ac\u03c3\u03b7 \u03c4\u03b7\u03c2 CCK\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03bf\u03c0\u03b9\u03b5\u03c1\u03b3\u03b9\u03ba\u03ae \u03c3\u03c4\u03b7\u03bd rostral ventromedial<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\" align=\"center\">medulla (RVM),\u00a0\u03b5\u03bd\u03ce \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03b4\u03b9\u03b5\u03b3\u03b5\u03c1\u03c4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c0\u03cc\u03bd\u03bf \u03ba\u03c5\u03ba\u03bb\u03ce\u00b5\u03b1\u03c4\u03b1\u00a0(RVM<\/p>\n<p style=\"text-align: justify;\">\u2192\u00a0NM)<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 nocebo \u2013\u00a0\u03c5\u03c0\u03b5\u03c1\u03b1\u03bb\u03b3\u03af\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03ad\u03c3\u03b7 \u00b5\u03b5 \u03c4\u03bf\u03bd \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03cc \u03c4\u03bf\u03c5 \u03ac\u03b3\u03c7\u03bf\u03c5\u03c2 (stress)\u00a0\u03c4\u03bf\u03c5 \u03bf\u03c6\u03b5\u03b9\u03bb\u03cc\u00b5\u03b5\u03bd\u03bf\u03c5 \u03c3\u03c4\u03bf\u03bd \u03c0\u03cc\u03bd\u03bf (anxiety induced hyperalgesia),\u00a0\u03b5\u03bd\u03ce \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03ad\u03c3\u03b7 \u00b5\u03b5 \u03c4\u03bf\u03bd \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03cc \u03c4\u03bf\u03c5 \u03ac\u03b3\u03c7\u03bf\u03c5\u03c2 \u03b1\u03c0\u03cc \u03ac\u03bb\u03bb\u03b7 \u03b1\u03b9\u03c4\u03af\u03b1,\u00a0\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u00b5\u03ad\u03c3\u03c9 \u03bf\u03c0\u03b9\u03b5\u03c1\u03b3\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b9\u03b1\u03b2\u03af\u03b2\u03b1\u03c3\u03b7\u03c2,\u00a0\u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1,\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1 (stress induced analgesia).<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0H\u00a0\u03b1\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b7 \u03b5\u00b5\u03c0\u03bb\u03bf\u03ba\u03ae\u03c2 \u03c4\u03b7\u03c2 CCK\u00a0\u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03b5\u03b9\u03c1\u03b1\u00b5\u03b1\u03c4\u03b9\u03ba\u03ae \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b3\u03bb\u03bf\u03c5\u00b5\u03af\u03b4\u03b7\u03c2,\u00a0\u03b1\u03bd\u03b1\u03c3\u03c4\u03bf\u03bb\u03ad\u03b1 \u03c4\u03b7\u03c2 CCK (0.5mg \u2013 5mg),\u00a0\u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c4\u03b7\u03bd nocebo \u2013\u00a0\u03c5\u03c0\u03b5\u03c1\u03b1\u03bb\u03b3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03b9 \u03c4\u03bf\u03bd CCK-\u03b5\u03c1\u03b3\u03b9\u03ba\u03cc \u03b4\u03b5\u03c3\u00b5\u03cc \u00b5\u03b5\u03c4\u03b1\u03be\u03cd \u03ac\u03b3\u03c7\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03cc\u03bd\u03bf.\u00a0\u0397 \u03c0\u03c1\u03bf\u03b3\u03bb\u03bf\u03c5\u00b5\u03af\u03b4\u03b7 \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c4\u03bf\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03c0\u03cc\u03bd\u03bf \u03b1\u03bb\u03bb\u03ac \u00b5\u03cc\u03bd\u03bf \u03c4\u03b7\u03bd nocebo\u00a0\u03c5\u03c0\u03b5\u03c1\u03b1\u03bb\u03b3\u03af\u03b1.<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\" align=\"center\"><b>To placebo\u00a0<\/b>\u03c3\u03c4\u03b7\u03bd \u039a\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03c0\u03c1\u03ac\u03be\u03b7\u00a0<b>\u2013\u00a0<\/b>\u0396\u03b7\u03c4\u03ae\u00b5\u03b1\u03c4\u03b1 \u0397\u03b8\u03b9\u03ba\u03ae\u03c2<\/p>\n<p style=\"text-align: justify;\">\u0391\u03c1\u03c7\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03ad\u03c0\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5\u00a0placebo\u00a0\u03b3\u03b9\u03b1 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03bb\u03cc\u03b3\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9:<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0394\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b9\u03ba\u03b1\u03bd\u03ae \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b1 \u03c0\u03bf\u03c5 \u03bd\u03b1 \u03c4\u03b5\u03ba\u00b5\u03b7\u03c1\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03b2\u03b1\u03b8\u00b5\u03cc \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 placebo\u00a0\u03c3\u03c4\u03b7\u03bd \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ae \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0388\u03c1\u03b5\u03c5\u03bd\u03b1 35\u00a0\u03c7\u03c1\u03cc\u03bd\u03c9\u03bd \u03c9\u03c3\u03c4\u03cc\u03c3\u03bf,\u00a0\u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03bf\u03b4\u03ce\u03c3\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ac \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u00b5\u03bf\u03bd\u03b9\u03ba\u03ac \u03b4\u03b5\u03b4\u03bf\u00b5\u03ad\u03bd\u03b1,\u00a0\u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u00b5\u03b5 \u03c4\u03b7\u03bd placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0397 \u03b5\u03be\u03b1\u03c0\u03ac\u03c4\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2 \u03b1\u03c0\u03b1\u03b3\u03bf\u03c1\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9,\u00a0\u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd \u03b7 \u03c3\u03c4\u03ad\u03c1\u03b7\u03c3\u03ae \u03c4\u03b7\u03c2 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af \u00b5\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b2\u03bb\u03ac\u03b2\u03b7<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0394\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u00b5\u03b5 \u03c4\u03bf \u03b4\u03b9\u03ba\u03b1\u03af\u03c9\u00b5\u03b1 \u03bd\u03b1 \u03c3\u03c4\u03b5\u03c1\u03ae\u03c3\u03bf\u03c5\u00b5\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b1\u03c3\u03b8\u03b5\u03bd\u03ae \u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03be\u03b9\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03ce\u03bd \u03b1\u03c5\u03c4\u03bf\u03ca\u03b1\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5. (Dan Moermann \u201905)<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0398\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u00b5\u03bf\u03af \u03ba\u03b1\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2,\u00a0\u03c0\u03bf\u03c5 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b1,\u00a0\u03c3\u03c4\u03b1 \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03b1 \u03c4\u03b7\u03c2 \u0397\u03b8\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03b9 \u0394\u03b5\u03bf\u03bd\u03c4\u03bf\u03bb\u03bf\u03b3\u03af\u03b1\u03c2,\u03b5\u03c5\u03bf\u03b4\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd placebo\u00a0\u03b4\u03b9\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u00b5\u03b9\u03b1\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2,\u00a0\u03ba\u03b1\u03b9 \u00b5\u03b5\u03b3\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03bf \u03cc\u03c6\u03b5\u03bb\u03bf\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae.\u00a0\u03c0.\u03c7.\u00a0\u03b8\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u00b5\u03bf\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b5\u03bd\u03b7\u00b5\u03ad\u03c1\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03ac \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5,\u00a0\u03b7 \u03ba\u03b1\u03bb\u03bb\u03b9\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c4\u03ac\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2 \u03ba\u03bb\u03c0<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0395\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03b9\u03b4\u03b9\u03ba\u03ce\u03bd \u03b3\u03b9\u03b1 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2 \u03b5\u00b5\u03c0\u03b9\u03c3\u03c4\u03bf\u03c3\u03cd\u03bd\u03b7\u03c2 \u00b5\u03b5\u03c4\u03b1\u03be\u03cd \u03b8\u03b5\u03c1\u03ac\u03c0\u03bf\u03bd\u03c4\u03b1 \u2013\u00a0\u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0395\u03ba\u00b5\u03b5\u03c4\u03b1\u03bb\u03bb\u03b5\u03c5\u03cc\u00b5\u03b5\u03bd\u03bf\u03b9 \u03c4\u03b7\u03bd placebo\u00a0\u03b4\u03b9\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7,\u00a0\u03af\u03c3\u03c9\u03c2 \u03c3\u03c4\u03bf \u00b5\u03ad\u03bb\u03bb\u03bf\u03bd \u03b5\u03bb\u03b1\u03c4\u03c4\u03ce\u03c3\u03bf\u03c5\u00b5\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03c9\u03bd<\/p>\n<p style=\"text-align: justify;\">\u2022\u00a0\u0391\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2 \u00b5\u03b5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03b1\u03c3\u00b5\u03ad\u03bd\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u00b5\u03b5\u03c4\u03c9\u03c0\u03b9\u03b1\u03af\u03bf\u03c5 \u03bb\u03bf\u03b2\u03bf\u03cd (prefrontal cortex)\u00a0\u03cc\u03c0\u03c9\u03c2 \u03c3\u03c5\u00b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03bd\u03cc\u03c3\u03bf Alzheimer,\u00a0\u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b3\u03b5\u03c1\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae \u03ac\u03bd\u03bf\u03b9\u03b1,\u00a0\u03b4\u03b5\u03bd \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03b1 \u03c4\u03b7\u03c2 placebo\u00a0\u03b1\u03bd\u03b1\u03bb\u03b3\u03b7\u03c3\u03af\u03b1\u03c2.\u00a0\u039c\u03b5 \u03b4\u03bf\u03b4\u03bf\u00b5\u03ad\u03bd\u03b7 \u03c4\u03b7 \u03b3\u03ae\u03c1\u03b1\u03bd\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u00b5\u03bf\u03cd \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03bf\u03c5\u00b5\u03b5 \u03c4\u03b7 \u03c3\u03c4\u03ac\u03c3\u03b7 \u00b5\u03b1\u03c2 \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c3\u03c4\u03bf\u03bd \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u00b5\u03cc \u03c4\u03bf\u03c5 \u03c0\u03cc\u03bd\u03bf\u03c5 \u03c4\u03c9\u03bd \u03c5\u03c0\u03b5\u03c1\u03b7\u03bb\u03af\u03ba\u03c9\u03bd<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\" align=\"center\"><b>(1)\u00a0<\/b>\u039a\u03bb\u03b9\u03bd\u03b9\u03ba\u03ad\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2\u00a0<b>(<\/b>\u03bf\u03c1\u03b9\u03c3\u00b5\u03bf\u03af<b>)\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">\u0394\u03b9\u03c0\u03bb\u03ae\u00a0<i>\u2013\u00a0<\/i>\u03c4\u03c5\u03c6\u03bb\u03ae:\u00a0\u03b1\u03c3\u03b8\u03b5\u03bd\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ae\u03c2 \u03b4\u03b5\u03bd \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7\u00a0placebo\u00a0<i>M<\/i>\u03bf\u03bd\u03ae\u00a0<i>\u2013\u00a0<\/i>\u03c4\u03c5\u03c6\u03bb\u03ae:\u00a0\u03bf \u03b1\u03c3\u03b8\u03b5\u03bd\u03ae\u03c2 \u00b5\u03cc\u03bd\u03bf,\u03b4\u03b5\u03bd \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7\u00a0placebo\u00a0<i>E<\/i>\u03bd\u03b5\u03c1\u03b3\u03cc\u00a0<i>placebo<\/i>:\u00a0\u03b1\u03bd\u03b5\u03bd\u03b5\u03c1\u03b3\u03ad\u03c2 \u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf \u03c0\u03bf\u03c5 \u00b5\u03b9\u00b5\u03b5\u03af\u03c4\u03b1\u03b9 \u00b5\u03cc\u03bd\u03bf \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b5\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c0\u03c1\u03b1\u03b3\u00b5\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5\u00a0\u03a6\u03ac\u03c3\u03b5\u03b9\u03c2 \u00b5\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd:\u00a0\u03a6\u03ac\u03c3\u03b7 \u0399.: 20-80\u00a0\u03ac\u03c4\u03bf\u00b5\u03b1\u00a0\u2013\u00a0\u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03b4\u03cc\u03c3\u03b7\u03c2,\u00a0\u00b5\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03b9\u03c3\u00b5\u03bf\u03cd,\u00a0\u03c0\u03b1\u03c1\u03b5\u03bd\u03b5\u03c1\u03b3\u03b5\u03b9\u03ce\u03bd,\u03b1\u03c0\u03bf\u03b2\u03bf\u03bb\u03ae\u03c2 \u03a6\u03ac\u03c3\u03b7 \u0399\u0399: 100-300\u00a0\u03ac\u03c4\u03bf\u00b5\u03b1 \u03bd\u03bf\u03c3\u03bf\u03cd\u03bd\u03c4\u03b1\u00a0\u2013\u00a0\u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5 \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u00b5\u03b5 \u03c4\u03bfplacebo\u00a0\u03a6\u03ac\u03c3\u03b7 \u0399\u0399: 1000 \u2013 3000\u00a0\u03ac\u03c4\u03bf\u00b5\u03b1 \u03bd\u03bf\u03c3\u03bf\u03cd\u03bd\u03c4\u03b1\u00a0\u2013\u00a0\u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b5\u03c1\u03b3\u03b5\u03b9\u03ce\u03bd \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u00b5\u03b5 \u03c4\u03bf\u00a0placebo\u00a0\u03a6\u03ac\u03c3\u03b7 \u0399V:\u00a0\u03c4\u03bf \u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf \u03ad\u03c7\u03b5\u03b9 \u03b3\u03af\u03bd\u03b5\u03b9 \u03ae\u03b4\u03b7 \u03b1\u03c0\u03bf\u03b4\u03b5\u03ba\u03c4\u03cc\u00a0\u2013\u00a0\u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03af \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u00b5\u03bf\u03af\u00a0\u2013\u00a0\u03b5\u03c0\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u00b5\u03b1\u03ba\u03c1\u03ac\u03c2 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7\u03c2\u00a0\u2013\u00a0\u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03ba.\u03ac.\u00a0<i>\u00ab<\/i>\u03a0\u03c1\u03b1\u03b3\u00b5\u03b1\u03c4\u03b9\u03ba\u03ae<i>\u00bb\u00a0<\/i>\u00b5\u03b5\u03bb\u03ad\u03c4\u03b7\u00a0<i>(pragmatic)<\/i>:\u00a0\u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03c1\u03b1\u03b3\u00b5\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u00b5\u03b9\u03b1\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b5\u03b4\u03bf\u00b5\u03ad\u03bd\u03b7 \u03bd\u03cc\u03c3\u03bf\u00a0<i>\u00ab<\/i>\u0395\u03c0\u03b5\u03be\u03b7\u03b3\u03b7\u00b5\u03b1\u03c4\u03b9\u03ba\u03ae<i>\u00bb\u00a0<\/i>\u00b5\u03b5\u03bb\u03ad\u03c4\u03b7\u00a0<i>(explanatory)<\/i>:\u00a0\u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c4\u03c9\u03bd \u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ce\u03bd \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03ce\u03bd \u03c4\u03bf\u03c5 \u03c3\u03c5\u00b5\u03c0\u03c4\u03ce\u00b5\u03b1\u03c4\u03bf\u03c2 \u03ae \u03c4\u03b7\u03c2 \u03b4\u03c1\u03ac\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5\u00a0<i>\u00ab<\/i>\u0394\u03b9\u03b1\u03c3\u03c4\u03b1\u03c5\u03c1\u03bf\u03cd\u00b5\u03b5\u03bd\u03b7<i>\u00bb (crossover)\u00a0<\/i>\u00b5\u03b5\u03bb\u03ad\u03c4\u03b7:\u00a0\u03bf \u03af\u03b4\u03b9\u03bf\u03c2 \u03b1\u03c3\u03b8\u03b5\u03bd\u03ae\u03c2 \u03bb\u03b1\u00b5\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c4\u03b5 \u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c4\u03b5\u00a0placebo (Louis \u201987)<\/p>\n<p style=\"text-align: justify;\">\u03c0\u03bb\u03b5\u03bf\u03bd\u03ad\u03ba\u03c4\u03b7\u00b5\u03b1:-\u00b5\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf\u03c2 \u03b1\u03c1\u03b9\u03b8\u00b5\u03cc\u03c2 \u03b1\u03c3\u03b8\u03b5\u03bd\u03ce\u03bd -\u00b5\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c0\u03bf\u03b9\u03ba\u03b9\u03bb\u03bf\u00b5\u03bf\u03c1\u03c6\u03af\u03b1 \u03c3\u03c5\u00b5\u03c0\u03c4\u03c9\u00b5\u03ac\u03c4\u03c9\u03bd<\/p>\n<p style=\"text-align: justify;\">\u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u00b5\u03bf\u03af:-\u03b1\u03bd \u03b7 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03b4\u03b5\u03bd \u03c0\u03c1\u03bf\u03bb\u03b1\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b1\u03c0\u03bf\u00b5\u03b1\u03ba\u03c1\u03c5\u03bd\u03b8\u03bf\u03cd\u03bd,\u00a0\u03cc\u03c4\u03b1\u03bd \u03b4\u03bf\u03b8\u03b5\u03af \u03c0\u03bb\u03ad\u03bf\u03bd placebo (carry \u2013 over \u2013 effect)<\/p>\n<p style=\"text-align: justify;\">-\u00b5\u03b1\u03ba\u03c1\u03cc\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2\u00a0-\u03b5\u03ac\u03bd \u03b7 \u03bd\u03cc\u03c3\u03bf\u03c2 \u00b5\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03b8\u03b5\u03af \u03b5\u03be\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03b7 \u03c7\u03bf\u03c1\u03ae\u03b3\u03b7\u03c3\u03b7 \u03c6\u03b1\u03c1\u00b5\u03ac\u03ba\u03bf\u03c5 \u03ae\u00a0placebo -\u03b1\u03bd \u03c4\u03bf\u00a0placebo\u00a0\u03b5\u03c0\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2,\u00a0\u03b5\u03c0\u03b9\u03b4\u03c1\u03bf\u03cd\u03bd \u03c3\u03c4\u03bf \u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf<\/p>\n<p style=\"text-align: justify;\">\u0388\u03c4\u03c3\u03b9 \u03b5\u03b9\u03c3\u03ae\u03c7\u03b8\u03b7\u03c3\u03b1\u03bd \u03bf\u03b9 \u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03ad\u03c2 \u00b5\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2\u00a0\u03b4\u03cd\u03bf \u03c3\u03c4\u03b1\u03b4\u03af\u03c9\u03bd\u00a0(two stage),\u00a0\u03cc\u03c0\u03bf\u03c5 \u03c3\u03c4\u03bf \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03b1\u03c0\u03bf\u00b5\u03b1\u03ba\u03c1\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9\u00a0placebo\u00a0\u03b8\u03b5\u03c4\u03b9\u03ba\u03bf\u03af\u00a0(responders)\u00a0\u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2.<\/p>\n<p style=\"text-align: justify;\"><i>\u00ab<\/i>\u03a4\u03c5\u03c7\u03b1\u03b9\u03bf\u03c0\u03bf\u03b9\u03b7\u00b5\u03ad\u03bd\u03b7<i>\u00bb\u00a0<\/i>\u00b5\u03b5\u03bb\u03ad\u03c4\u03b7\u00a0<i>(randomized)<\/i>:\u00a0\u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af\u03c2 \u03bb\u03b1\u00b5\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c6\u03ac\u03c1\u00b5\u03b1\u03ba\u03bf \u03ae\u00a0placebo<\/p>\n<p style=\"text-align: justify;\"><b>(2) DaPFC (prefrontal cortex)<\/b>:\u00a0\u03c6\u03bb\u03bf\u03b9\u03ce\u03b4\u03b7\u03c2 \u03b4\u03bf\u00b5\u03ae \u03c5\u03c0\u03b5\u03cd\u03b8\u03c5\u03bd\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c7\u03ac\u03c1\u03b1\u03be\u03b7 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae\u03c2 \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c4\u03bf\u03c5 \u03c0\u03cc\u03bd\u03bf\u03c5,\u00a0\u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ce\u03bd,\u00a0\u03b5\u03bd\u03b5\u03c1\u03b3\u03cc \u00b5\u03bd\u03ae\u00b5\u03b7 \u03ba\u03b1\u03b9 \u00b5\u03b5\u03c4\u03ac\u03b8\u03b5\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c3\u03bf\u03c7\u03ae\u03c2\u00a0<b>Periaqueductal grey (PAG):\u00a0<\/b>\u03c3\u03c4\u03bf \u00b5\u03b5\u03c3\u03b5\u03b3\u03ba\u03ad\u03c6\u03b1\u03bb\u03bf,\u00a0\u03b7 \u00b5\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b4\u03b5\u03be\u03b1\u00b5\u03b5\u03bd\u03ae \u03bf\u03c0\u03b9\u03bf\u03b5\u03b9\u03b4\u03ce\u03bd\u00a0<b>Limbic neuromatrix:\u00a0<\/b>ACC, MCC, insula, amygdale, MITN).\u00a0<b>ACC (anterior cingulated cortex):\u00a0<\/b>\u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c5\u03c0\u03b5\u03cd\u03b8\u03c5\u03bd\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b1\u03b9\u03c3\u03b8\u03b7\u00b5\u03b1\u03c4\u03b9\u03ba\u03ae \u00b5\u03bd\u03ae\u00b5\u03b7,\u00a0\u03c1\u03cd\u03b8\u00b5\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c5\u03c4\u03cc\u03bd\u03bf\u00b5\u03b7\u03c2 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03ac\u03b8\u03bb\u03b9\u03c8\u03b7\u03c2 \u03c3\u03c4\u03bf\u03bd \u03c0\u03cc\u03bd\u03bf.<\/p>\n<p style=\"text-align: justify;\">\u0392\u03b9\u03b2\u03bb\u03b9\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1<b>:\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">1\u00a0F. Benedetti: Placebo effects, Oxford Univ.Press \u201809<\/p>\n<p style=\"text-align: justify;\">2\u00a0The powerfull Placebo: From Ancient Priest to modern Physician., Shapiro A &amp; Shapiro E., John Hopkins Univ. Press \u201897<\/p>\n<p style=\"text-align: justify;\">3\u00a0Levine ID, Gorton NC, Field H. The mechanism of Placebo analgesia, Lancet \u201978, 2, 654-57<\/p>\n<p style=\"text-align: justify;\">4\u00a0Calloca L &amp; Benedetti F \u201906, Pain 124, 126-33<\/p>\n<p style=\"text-align: justify;\">5\u00a0What to learn from in vivo opiergic brain imaging? T. Spenger, Eu. I. Pain J. (\u201905)<\/p>\n<p style=\"text-align: justify;\">6\u00a0No place for placebo when treating Pain Ethics Form Pain Medicine Vol. 5 (\u201905)<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><b>E<\/b>\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<b>:\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">1\u00a0\u0394\u03ce\u03c3\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03c3\u00b5\u03cc \u03c4\u03bf\u03c5 Placebo\u00a0\u03c3\u03c4\u03b9\u03c2 \u039a\u03bb\u03b9\u03bd\u03b9\u03ba\u03ad\u03c2 \u039c\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 Placebo\u00a0\u03c9\u03c2 \u03c6\u03b1\u03b9\u03bd\u03bf\u00b5\u03ad\u03bd\u03bf\u03c5 \u2013\u00a0\u0394\u03ce\u03c3\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03c3\u00b5\u03cc \u03c4\u03bf\u03c5 Nocebo<\/p>\n<p style=\"text-align: justify;\">2\u00a0\u03a0\u03bf\u03b9\u03bf\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd Placebo\u00a0\u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7;<\/p>\n<p style=\"text-align: justify;\">3\u00a0\u03a0\u03bf\u03b9\u03bf\u03b9 \u03bd\u03b5\u03c5\u03c1\u03bf\u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03bf\u03af \u00b5\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u00b5\u03bf\u03af \u03b5\u00b5\u03c0\u03bb\u03ad\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf Placebo\u00a0\u03ba\u03b1\u03b9 \u03c0\u03bf\u03b9\u03bf\u03b9 \u03c3\u03c4\u03bf Nocebo\u00a0\u03c6\u03b1\u03b9\u03bd\u03cc\u00b5\u03b5\u03bd\u03bf;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Placebo\u00a0\u03ba\u03b1\u03b9 \u03a0\u03cc\u03bd\u03bf\u03c2 \u0395.\u00a0\u0391\u03bb\u03b5\u03be\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5\u00a0\u2013\u00a0\u0392\u03c1\u03b1\u03c7\u03bd\u03bf\u03cd \u0397 \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1 \u03c4\u03b7\u03c2 \u0399\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u00b5\u03b9\u03b1 \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1 \u03c4\u03bf\u03c5\u00a0placebo,\u00a0\u03ba\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b5\u00b5\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b1\u03b9\u03ce\u03bd\u03b5\u03c2,\u00a0\u03b4\u03b5\u03bd \u03ae\u03c4\u03b1\u03bd \u03c4\u03af\u03c0\u03bf\u03c4\u03b5 \u03ac\u03bb\u03bb\u03bf,\u00a0\u03b1\u03c0\u03cc \u03b5\u03c6\u03b1\u03c1\u00b5\u03bf\u03b3\u03ae\u00a0placebos (\u03b1\u03b4\u03c1\u03b1\u03bd\u03ce\u03bd \u03bf\u03c5\u03c3\u03b9\u03ce\u03bd \u03ba\u03b1\u03b9 \u00b5\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd)1.\u0397 \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae \u03b1\u03c5\u03c4\u03ae \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03ad\u03ba\u03c5\u03c8\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03c9\u03b8\u03b5\u03af \u03b5\u03ac\u03bd,\u00a0\u03b5\u03c6\u03b1\u03c1\u00b5\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2\u00a0\u00ab\u03c8\u03b5\u03cd\u03c4\u03b9\u03ba\u03b5\u03c2\u00bb\u00a0\u03ae\u00ab\u03b1\u03b4\u03c1\u03b1\u03bd\u03b5\u03af\u03c2\u00bb\u00a0\u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b5\u03c2,\u00a0\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03bf\u03c6\u03b5\u03af\u03bb\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c6\u03b1\u03bd\u03c4\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03c3\u03b8\u03b5\u03bd\u03bf\u03cd\u03c2 \u03ae \u03ba\u03b1\u03b9 \u03c3\u03b5 \u00b5\u03b9\u03b1 \u03c0\u03b1\u03c1\u03bf\u03b4\u03b9\u03ba\u03ae \u03cd\u03c6\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03bf\u03c3\u03b7\u03c1\u03bf\u03cd \u03b5\u03c0\u03b5\u03b9\u03c3\u03bf\u03b4\u03af\u03bf\u03c5.\u00a0\u03a3\u03ae\u00b5\u03b5\u03c1\u03b1 \u03c4\u03bf\u00a0placebo\u00a0\u03c7\u03c1\u03b7\u03c3\u03b9\u00b5\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[26],"tags":[],"class_list":["post-1029","post","type-post","status-publish","format-standard","hentry","category-arthra"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Placebo \u03ba\u03b1\u03b9 \u03a0\u03cc\u03bd\u03bf\u03c2 - \u0395. \u0391\u03bb\u03b5\u03be\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5 \u2013 \u0392\u03c1\u03b1\u03c7\u03bd\u03bf\u03cd - \u03a0\u0391\u03a1\u0397.\u03a3\u03a5.\u0391.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/grpalliative.gr\/el\/placebo-kai-ponos-e-alexopoyloy-vrachnoy\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Placebo \u03ba\u03b1\u03b9 \u03a0\u03cc\u03bd\u03bf\u03c2 - \u0395. \u0391\u03bb\u03b5\u03be\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5 \u2013 \u0392\u03c1\u03b1\u03c7\u03bd\u03bf\u03cd - \u03a0\u0391\u03a1\u0397.\u03a3\u03a5.\u0391.\" \/>\n<meta property=\"og:description\" content=\"Placebo\u00a0\u03ba\u03b1\u03b9 \u03a0\u03cc\u03bd\u03bf\u03c2 \u0395.\u00a0\u0391\u03bb\u03b5\u03be\u03bf\u03c0\u03bf\u03cd\u03bb\u03bf\u03c5\u00a0\u2013\u00a0\u0392\u03c1\u03b1\u03c7\u03bd\u03bf\u03cd \u0397 \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1 \u03c4\u03b7\u03c2 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