期刊
COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE
卷 9, 期 4, 页码 343-364出版社
SPRINGER
DOI: 10.3758/CABN.9.4.343
关键词
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The field of reinforcement learning has greatly influenced the neuroscientific study of conditioning. This article provides an introduction to reinforcement learning followed by an examination of the successes and challenges using reinforcement learning to understand the neural bases of conditioning. Successes reviewed include (1) the mapping of positive and negative prediction errors to the firing of dopamine neurons and neurons in the lateral habenula, respectively; (2) the mapping of model-based and model-free reinforcement learning to associative and sensorimotor cortico-basal ganglia-thalamo-cortical circuits, respectively; and (3) the mapping of actor and critic to the dorsal and ventral striatum, respectively. Challenges reviewed consist of several behavioral and neural findings that are at odds with standard reinforcement-learning models, including, among others, evidence for hyperbolic discounting and adaptive coding. The article suggests ways of reconciling reinforcement-learning models with many of the challenging findings, and highlights the need for further theoretical developments where necessary. Additional information related to this study may be downloaded from http://cabn.psychonomic-journals.org/content/supplemental.
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