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情绪效价影响自我姓名加工的电生理证据

Influence of Emotion Valence on Name Processing: Evidence from Electrophysiology
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摘要 目的:通过事件相关电位技术考察情绪效价对自我姓名加工的影响。方法:采用block设计,使用情绪图片分别诱发正、负性情绪,被试完成被动Oddball范式,对小圆进行按键反应,而对大圆及自我、明星、陌生人姓名不反应,分析三类姓名的脑电差异。结果:负性情绪下的自我姓名比正性诱发了更大的N2,相比于朋友与陌生人,自我姓名在正、负性情绪下诱发了更大的P300,但仅在负性条件下诱发了更大N2。结论:情绪效价作用在自我姓名加工的中晚期时间段内产生影响,特别是在N2时间段内,负性刺激引起情绪负性偏向,而个体同时为了维护自我正面偏见,产生了正、负性情绪效价的冲突。 Objective: To Explore the time course of interaction between emotion valence and self-relevant own name via recording of scalp eleetrophysiological activation. Methods: Under negative and positive emotion condition construed by pictures with block design, subjects performed a adopting passive Oddball task. They were introduced to press the key when the small cycle appeared, rather than big cycle, subject's own name, famous name and unfamiliar name. The brain activity evoked from those three types of name were recorded and analyzed. Results: In N2, a classic larger N2 amplitude in negative valence of self-relevant, however, disappearing such N2 effect in positive valence. For P300 amplitude, we found more positive deflection by self than others, both in negative and positive emotion condition. Conclusion: Present results indicate valence affects the processing of self-relevant name, which takes place in the middle and later stage.
出处 《中国临床心理学杂志》 CSSCI CSCD 北大核心 2017年第2期225-230,共6页 Chinese Journal of Clinical Psychology
基金 湖南省自然科学基金项目(2015JJ3070) 湖南省社会科学基金项目(B21345) 教育部人文社会科学研究专项任务项目(16JDSZ3031)
关键词 自我 情绪 姓名 Self Emotion Name
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