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首页> 外文会议>17th international conference on biomagnetism advances in biomagnetism - Biomag2010 >Fair Play in the Brain - Cortical Activity in Response to Fair and Unfair Offers of a Fictitious Partner in a Gambling Design
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Fair Play in the Brain - Cortical Activity in Response to Fair and Unfair Offers of a Fictitious Partner in a Gambling Design

机译：大脑中的公平竞争-响应赌博设计中虚构合作伙伴的公平和不公平出价而进行的皮层活动

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摘要

The present MEG study explored whether and how fair and unfair offers made by a fictitious teammate modulate cortical responses to decision-related cues. Electromagnetic activity analyzed in the source space (minimum norm estimate) disclosed larger (bilateral) fronto-temporal activity 170 - 250 ms after cue-onset for fair compared to unfair offers, irrespective of the subsequent decision to accept/reject. Bilateral posterior and frontotemporal activity 120-190 ms after feedback-cue onset was larger following 'reject'- compared to 'accept'-decisions. Frontotemporal activity 150 - 200 ms tended to be larger following satisfied rejection (If gain) compared to 'loss' feedback upon reject-decision. Brain activity patterns did not vary with the emotional expression of the fictitious teammate (first cue). Results suggest that evaluation of a fair or unfair offer in an experimental team-play situation modulates (fronto-)cortical activity related to decision-making, and that cortical responses to feedback reflect evaluation of risky (rejection may be rewarded by gain or punished by loss) decisions.
机译：当前的MEG研究探讨了虚拟队友提供的公平和不公平提议是否以及如何调节皮质对决策相关提示的反应。在源空间中分析的电磁活动（最低标准估计）显示，在提示发生后170-250毫秒，与不公平的要约相比，较大（双边）的额颞活动（无论随后是否接受/拒绝）。与“接受”决定相比，“拒绝”发生后反馈提示发作后120-190 ms的双边后颞叶活动。与拒绝决定时的“损失”反馈相比，满意的拒绝（如果获得增益）后额颞活动150-200 ms倾向于更大。大脑活动模式不会随虚拟队友的情绪表达而变化（第一提示）。结果表明，在实验性团队合作情况下对公平或不公平提议的评估会调节与决策相关的（额叶）皮层活动，并且皮层对反馈的反应反映出对风险的评估（拒绝可能会获得收益或受到惩罚）损失）的决定。

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