Effects of value and reward magnitude on feedback negativity and P300

被引：270

作者：

Sato, A ^{[1
]}

Yasuda, A ^{[1
]}

Ohira, H ^{[1
]}

Miyawaki, K ^{[1
]}

Nishikawa, M ^{[1
]}

Kumano, H ^{[1
]}

Kuboki, TL ^{[1
]}

机构：

[1] Univ Tokyo, Dept Psychosomat Med, Grad Sch Med, Tokyo, Japan

来源：

NEUROREPORT | 2005年 / 16卷 / 04期

关键词：

feedback negativity; medial frontal negativity; positive and negative affect scales; P300; reward magnitude;

D O I：

10.1097/00001756-200503150-00020

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Feedback negativity is a negative component of the event-related brain potential observed 250-300 ms after feedback stimuli. The present study investigated the effects of value (correct or incorrect) and reward magnitude (no, small or large) on feedback negativity and P300. Feedback negativity was larger after incorrect feedback than after correct feedback, irrespective of reward magnitude. In contrast, P300 amplitude increased with reward magnitude, irrespective of value. The amplitude of feedback negativity was correlated with a trait score of negative affect and not positive affect, whereas P300 amplitude was correlated with positive affect and not negative affect. These results suggest that value and reward magnitude are processed separately in the brain. (c) 2005 Lippincott Williams & Wilkins.

引用

页码：407 / 411

页数：5

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