Abstract
目的 探讨抑郁情绪对情绪面孔注意偏向的影响.方法 以贝克抑郁量表(BDI)和抑郁自评量表(SDS)为工具筛选出了34名抑郁个体和35名正常被试进行真人情绪面孔的负启动任务的行为学实验.结果 发现2组被试对负性面孔的负启动效应差异有显著性(t =3.491,P =0.001),抑郁情绪组[(-66.992±198.051)ms]低于正常对照组[(121.386±154.270)ms];对负性面孔的正启动效应差异有显著性(t =4.546,P =0.000),抑郁情绪组[(-317.787±131.839)ms]高于正常对照组[(-128.083±116.260)ms],但对正性面孔正负启动条件下的启动效应均差异无显著性(P ＞0.05)[分别为正启动条件下正常对照组(-229.618±135.978)ms,抑郁情绪组(-201.534±95.436)ms;负启动条件下正常对照组(20.658±143.446)ms,抑郁情绪组(32.033±120.625)ms].结论 提示2组被试都对正性面孔的易化效应和抑制效应无显著区别;但两者对负性面孔存在差别,正常对照组能成功抑制负性刺激,而抑郁个体对负性刺激则有过度易化效应和抑制不足的倾向。
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