Fictive reward signals in the anterior cingulate cortex.

Fictive reward signals in the anterior cingulate cortex.
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DOI:
10.1126/science.1168488
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发表时间:
2009-05-15
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Platt ML
Platt ML
中科院分区:
其他
文献类型:
--
作者:
Hayden BY;Pearson JM;Platt ML

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Monkeys adjust their behavior in response to outcomes that they have observed but not directly experienced, and single neurons within the anterior cingulate cortex respond to these fictive rewards they same way they respond to experienced rewards. The neural mechanisms supporting the ability to recognize and respond to fictive outcomes, outcomes of actions that one has not taken, remain obscure. We hypothesized that neurons in anterior cingulate cortex (ACC), which monitors the consequences of actions and mediates subsequent changes in behavior, would respond to fictive reward information. We recorded responses of single neurons during performance of a choice task that provided information about the reward values of unchosen options. We found that ACC neurons signal fictive reward information, and use a coding scheme similar to that used to signal experienced outcomes. Thus, individual ACC neurons process both experienced and fictive rewards.
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