Reward Processing in Primate Orbitofrontal Cortex and Basal Ganglia

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ID: 299862
2000
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Ranked #92 of 107 articles by views in cerebral cortex (new york, ny : 1991)

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Abstract
This article reviews and interprets neuronal activities related to the expectation and delivery of reward in the primate orbitofrontal cortex, in comparison with slowly discharging neurons in the striatum (caudate, putamen and ventral striatum, including nucleus accumbens) and midbrain dopamine neurons. Orbitofrontal neurons showed three principal forms of reward-related activity during the performance of delayed response tasks, namely responses to reward-predicting instructions, activations during the expectation period immediately preceding reward and responses following reward. These activations discriminated between different rewards, often on the basis of the animals' preferences. Neurons in the striatum were also activated in relation to the expectation and detection of reward but in addition showed activities related to the preparation, initiation and execution of movements which reflected the expected reward. Dopamine neurons responded to rewards and reward-predicting stimuli, and coded an error in the prediction of reward. Thus, the investigated cortical and basal ganglia structures showed multiple, heterogeneous, partly simultaneous activations which were related to specific aspects of rewards. These activations may represent the neuronal substrates of rewards during learning and established behavioral performance. The processing of reward expectations suggests an access to central representations of rewards which may be used for the neuronal control of goaldirected behavior.
Reference Key
openalex_W2111746164 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors W Schultz
Journal cerebral cortex (new york, ny : 1991)
Year 2000
DOI
10.1093/cercor/10.3.272
URL
https://doi.org/10.1093/cercor/10.3.272
Keywords Keywords not found

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