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目的:验证士兵内隐集体自尊效应,探讨其脑机制。方法:通过Go/No-go联想测验任务(Go/No-go Associa-tion Task,GNAT)测量士兵被试在“集体自我+积极”与“集体自我+消极”两种任务条件下的感受性指标(d’)和反应时,同时记录事件相关电位数据。结果:GNAT感受性指标上,任务条件的主效应显著,F(1,15)=12.25,P=0.003;GNAT的反应时指标上,任务条件主效应显著,F(1,15)=8.557,P=0.010。P300潜伏期上,任务条件的主效应显著,F(1,15)=10.752,P=0.005;P300振幅上,任务条件的主效应显著,F(1,15)=24.636,P=0.000。结论:士兵内隐集体自尊效应基于对“集体自我+积极”信息的深度加工,是多脑区参与的同步系列活动。
Objective: To verify the implicit collective self-esteem of soldiers and to explore their brain mechanisms. Methods: The soldiers were tested on the Go / No-Go Associate Task (GNAT) for two tasks: “self-colluding self + positive” and “self-colluding self + negative” Under the sensory index (d ’) and reaction time, event-related potential data were recorded. Results: The main effect of the task conditions on GNAT was significant (F (1,15) = 12.25, P = 0.003). The main effect of the task conditions on GNAT was significant, F (1,15) = 8.557, P = 0.010. The main effect of task conditions on P300 latency was significant, F (1,15) = 10.752, P = 0.005. The main effect of task conditions on P300 amplitude was significant, F (1,15) = 24.636, P = 0.000. Conclusion: The implicit collective self-esteem effect of soldiers is based on the deep processing of “collective self + positive” information and is a synchronous series of activities involving multiple brain regions.