Contributions of orbitofrontal and lateral prefrontal cortices to economic choice and the good-to-action transformation.

Contributions of orbitofrontal and lateral prefrontal cortices to economic choice and the good-to-action transformation.
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DOI:
10.1016/j.neuron.2014.01.008
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发表时间:
2014-03-05
期刊:
影响因子:
16.2
通讯作者:
Padoa-Schioppa C
Padoa-Schioppa C
中科院分区:
医学1区
文献类型:
--
作者:
Cai X;Padoa-Schioppa C

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先前的工作表明,经济决策可以独立于选择任务(商品空间)的视觉运动意外事件而做出。然而,我们对将选择结果(选择的善)转化为合适的行动计划的神经机制仍然知之甚少。在这里,我们展示了外侧前额叶皮质中的神经元反映了这种“良好行动”转变的早期阶段。猴子在不同的果汁之间进行选择。实验设计在空间和时间上分离了报价的呈现和与之相关的扫视目标。我们从眼眶、腹外侧和背外侧前额皮质(分别为 OFC、LPFCv 和 LPFCd)进行记录。在目标呈现之前,LPFCv 和 LPFCd 中的神经元都会编码商品空间中的选择结果。目标呈现后,他们逐渐对目标的位置和即将采取的行动计划进行编码。与解剖学连通性一致,所有空间和动作相关信号均先于 LPFCd 出现在 LPFCv 中。
Previous work indicates that economic decisions can be made independently of the visuo-motor contingencies of the choice task (space of goods). However, the neuronal mechanisms through which the choice outcome (the chosen good) is transformed into a suitable action plan remain poorly understood. Here we show that neurons in lateral prefrontal cortex reflect the early stages of this good-to-action transformation. Monkeys chose between different juices. The experimental design dissociated in space and time the presentation of the offers and the saccade targets associated with them. We recorded from the orbital, ventrolateral and dorsolateral prefrontal cortices (OFC, LPFCv and LPFCd, respectively). Prior to target presentation, neurons in both LPFCv and LPFCd encoded the choice outcome in goods space. After target presentation, they gradually came to encode the location of the targets and the upcoming action plan. Consistent with the anatomical connectivity, all spatial and action-related signals emerged in LPFCv before LPFCd.
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发表时间: 2009-03-11
期刊: The Journal of neuroscience : the official journal of the Society for Neuroscience
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