How much of reinforcement learning is working memory, not reinforcement learning? A behavioral, computational, and neurogenetic analysis.

Abstract excerpt

Instrumental learning involves corticostriatal circuitry and the dopaminergic system. This system is typically modeled in the reinforcement learning (RL) framework by incrementally accumulating reward values of states and actions. However, human learning also implicates prefrontal cortical mechanisms involved in higher level cognitive functions. The interaction of these systems remains poorly understood, and...

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