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Feedback-related Negativity (FRN) and Theta Oscillations: Different Feedback Signals for Non-Conform and Conform Decisions
Biological Psychology ( IF 2.6 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.biopsycho.2020.107880
Yang Wang 1 , Him Cheung 2 , Lydia Ting Sum Yee 3 , Chun-Yu Tse 1
Affiliation  

The current study investigated if feedback-related negativity (FRN) and mid-frontal theta oscillations would respond differently during the outcome evaluations of conformity decisions, which were consistent with self vs. others' opinions. Participants first performed a perceptual judgment task, then saw the majority opinion prior to submitting their final decision, and subsequently learned whether their final decision was correct. With incongruent initial self and others' opinions, the incorrect feedback to a non-conform (no-change) final decision elicited larger FRN while the incorrect feedback to a conform (change) decision elicited larger theta power, compared to their respective correct decisions. In addition, beta power was larger in the correct than incorrect conform decision. FRN and theta power, but not beta power, were associated with subsequent conformity behavior. The FRN and theta signals therefore demonstrated differential sensitivity to the source of information that drove a conformity decision.

中文翻译:

反馈相关负性 (FRN) 和 Theta 振荡:不符合和符合决策的不同反馈信号

当前的研究调查了与反馈相关的负性 (FRN) 和中额叶 θ 振荡在一致性决策的结果评估期间是否会有不同的反应,这与自我与他人的意见一致。参与者首先执行感性判断任务,然后在提交最终决定之前查看多数意见,随后了解他们的最终决定是否正确。由于最初的自我和他人的意见不一致,与他们各自的正确决定相比,对不符合(不变)最终决定的错误反馈引起了更大的 FRN,而对符合(改变)决定的错误反馈引起了更大的 theta 功率。此外,正确比不正确的符合决策中的贝塔功率更大。FRN 和 theta 幂,但不是 beta 幂,与随后的从众行为有关。因此,FRN 和 theta 信号对推动一致性决策的信息来源表现出不同的敏感性。
更新日期:2020-05-01
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