利他惩罚中的结果评价——ERP研究

被引:17
作者
吴燕 [1 ]
罗跃嘉 [2 ,3 ]
机构
[1] 成都医学院心理系
[2] 北京师范大学认知神经科学与学习国家重点实验室
[3] 中国科学院心理健康重点实验室
关键词
反馈相关负波; 利他惩罚; 情绪; 结果评价;
D O I
暂无
中图分类号
B849 [应用心理学];
学科分类号
040203 ;
摘要
利他惩罚是指个体为惩罚违反社会规范的人,自愿支付成本。前人研究发现利他惩罚行为激活了背侧纹状体等与奖赏有关的脑区,因此可以认为利他惩罚的结果是一种相当于金钱奖赏的正性结果,不惩罚结果则是一种负性结果。本研究利用事件相关电位技术考察了被试在多次信任博弈游戏中观察"利他惩罚结果"和"不惩罚结果"的脑电成分,结果发现被试产生了明显的反馈相关负波(feedbackrelatednegativity,FRN),且负性程度更大的"不惩罚"结果其FRN波幅大于负性程度更小的"惩罚"结果。因为FRN是对负性反馈结果敏感的一个脑电成分。可见个体并非把利他惩罚结果知觉为一种正性结果,因此FRN反映了对社会结果的情绪动机意义的评价。
引用
收藏
页码:661 / 673
页数:13
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