Multiple representations of belief states and action values in corticobasal ganglia loops
Multiple representations of belief states and action values in corticobasal ganglia loops
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DOI：
10.1196/annals.1390.024
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发表时间：
2007-01-01
期刊：
影响因子：
--
通讯作者：
Doya, Kenji
中科院分区：
文献类型：
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作者：
Samejima, Kazuyuki;Doya, Kenji
通过神经生理学和神经影像学的实验，已经发现奖赏相关的神经活动存在于皮层和皮层下的许多区域。在这里，我们提出了一个统一的观点，如何在奖励预测和行动选择使用不同类型的信息的皮质基底神经节网络的三个子回路。运动/运动前区-后纹状体回路专门用于基于动作的价值表征和运动选择。眶额腹侧纹状体回路专门用于基于对象的值表征和目标选择。侧前额叶-前纹状体回路专门用于基于上下文的值表示和上下文估计。此外，内侧前额叶皮层（MPFC）通过监测预测中的错误来协调不同层次的这些多值表示和动作。
Reward-related neural activities have been found in a variety of cortical and subcortical areas by neurophysiological and neuroimaging experiments. Here we present a unified view on how three subloops of the corticobasal ganglia network are involved in reward prediction and action selection using different types of information. The motor/premotor-posterior striatum loop is specialized for action-based value representation and movement selection. The orbitofrontal-ventral striatum loop is specialized for object-based value representation and target selection. The lateral prefrontal-anterior striatum loop is specialized for context-based value representation and context estimation. Furthermore, the medial prefrontal cortex (MPFC) coordinates these multiple value representations and actions at different levels of hierarchy by monitoring the error in predictions.