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Neuronal reference frames for social decisions in primate frontal cortex

zhangxia111 添加于 2013/1/4 10:34:55  857次阅读 | 0次推荐 | 0个评论

Social decisions are crucial for the success of individuals and the groups that they comprise. Group members respond vicariously to benefits obtained by others, and impairments in this capacity contribute to neuropsychiatric disorders such as autism and sociopathy. We examined the manner in which neurons in three frontal cortical areas encoded the outcomes of social decisions as monkeys performed a reward-allocation task. Neurons in the orbitofrontal cortex (OFC) predominantly encoded rewards that were delivered to oneself. Neurons in the anterior cingulate gyrus (ACCg) encoded reward allocations to the other monkey, to oneself or to both. Neurons in the anterior cingulate sulcus (ACCs) signaled reward allocations to the other monkey or to no one. In this network of received (OFC) and foregone (ACCs) reward signaling, ACCg emerged as an important nexus for the computation of shared experience and social reward. Individual and species-specific variations in social decision-making might result from the relative activation and influence of these areas.

作 者:Steve W C Chang Jean-François Gariépy Michael L Platt
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学科领域:生命科学 » 神经科学、认知科学与心理学 » 神经生物学
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原文链接:http://www.nature.com/neuro/journal/vaop/ncurrent/full/nn.3287.html
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相关报道: http://paper.sciencenet.cn/htmlpaper/20131411111479827444.shtm
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