The neural correlates of subjective value during intertemporal choice
The neural correlates of subjective value during intertemporal choice
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DOI：
10.1038/nn2007
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发表时间：
2007-12-01
影响因子：
25
通讯作者：
Glimcher, Paul W.
中科院分区：
文献类型：
--
作者：
Kable, Joseph W.;Glimcher, Paul W.
尽管选择偏好是主观的，但对决策的神经成像研究通常将神经活动与客观指标（如奖励幅度、概率或延迟）联系起来。然而，经济学理论认为，决策者的行为就好像不同的选择有不同的主观价值。在这里，我们使用功能性磁共振成像显示，在几个大脑区域的神经活动，特别是腹侧纹状体，内侧前额叶皮层和后扣带皮层，跟踪显示延迟的金钱奖励的主观价值。这种相似性提供了明确的证据，表明潜在奖励的主观价值在人类大脑中得到了明确的表达。
Neuroimaging studies of decision-making have generally related neural activity to objective measures (such as reward magnitude, probability or delay), despite choice preferences being subjective. However, economic theories posit that decision-makers behave as though different options have different subjective values. Here we use functional magnetic resonance imaging to show that neural activity in several brain regions-particularly the ventral striatum, medial prefrontal cortex and posterior cingulate cortex-tracks the revealed subjective value of delayed monetary rewards. This similarity provides unambiguous evidence that the subjective value of potential rewards is explicitly represented in the human brain.