反馈负波及其理论解释

被引：16

作者：

李鹏 ^{[1
]}

李红 ^{[2
]}

机构：

[1] 西南大学认知与人格教育部重点实验室

[2] 西南大学心理学院

来源：

心理科学进展 | 2008年 / 05期

关键词：

反馈负波; 强化学习理论; 情绪动机假说; 前扣带回; 事件相关电位;

D O I：

暂无

中图分类号：

B841 [心理学研究方法];

学科分类号：

040201 ;

摘要：

反馈负波(feedback related negativity,FRN)是由代表行为错误或失去金钱等负性反馈刺激诱发的一种脑电波成分,出现在刺激呈现后250～300ms左右,偶极子源定位发现这一成分产生于前扣带回附近。对于FRN的功能意义的解释主要有强化学习理论和情绪动机假说,前者认为FRN反映的是神经系统对反馈刺激的认知加工过程,而后者认为FRN反映的是对情绪动机意义的评价过程。两种理论框架下还有一些目前研究仍待解决的问题,可能是未来研究的方向。

引用

页码：705 / 711

页数：7

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