What question did this study set out to answer?

To compare and contrast the functional roles of the orbitofrontal cortex and dorsolateral prefrontal cortex in processing reward information during goal-directed decision-making.

October 1, 2003European Journal of Neuroscience

Neuronal activity in primate dorsolateral and orbital prefrontal cortex during performance of a reward preference task

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Authors

JWJoni D. WallisUniversity of California, Berkeley EMEarl K. MillerMcGovern Institute for Brain Research

Discussion

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Implication

Electrophysiological recording reveals distinct reward and motor encoding across prefrontal subregions in primates, suggesting orbitofrontal signals guide dorsolateral behavioral control.

Key Points

To compare and contrast the functional roles of the orbitofrontal cortex and dorsolateral prefrontal cortex in processing reward information during goal-directed decision-making.
Simultaneous neuronal recordings were conducted in the orbitofrontal cortex (OFC) and dorsolateral prefrontal cortex (DLPFC) of two rhesus monkeys (Macaca mulatta).
Monkeys performed a reward preference task requiring them to choose between visual cues associated with varying amounts of juice reward.
Neuronal activity in both prefrontal areas scaled with reward magnitude, but DLPFC neurons simultaneously encoded the animal's forthcoming motor response, whereas OFC neurons primarily represented reward amount alone.
Reward selectivity emerged more rapidly in the OFC than in the DLPFC, indicating a functional hierarchy where reward valuation flows from OFC to DLPFC to direct behavioral output.

Cite This Study

Wallis et al. (2003) studied this question.

synapsesocial.com/papers/6a155d01d64fa333899f9224 https://doi.org/10.1046/j.1460-9568.2003.02922.x

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October 1, 2003European Journal of Neuroscience

Neuronal activity in primate dorsolateral and orbital prefrontal cortex during performance of a reward preference task

View Full Paper

Ask AI

Bookmark

Authors

JWJoni D. WallisUniversity of California, Berkeley EMEarl K. MillerMcGovern Institute for Brain Research

Discussion

Member takes

Implication

Electrophysiological recording reveals distinct reward and motor encoding across prefrontal subregions in primates, suggesting orbitofrontal signals guide dorsolateral behavioral control.

Key Points

To compare and contrast the functional roles of the orbitofrontal cortex and dorsolateral prefrontal cortex in processing reward information during goal-directed decision-making.
Simultaneous neuronal recordings were conducted in the orbitofrontal cortex (OFC) and dorsolateral prefrontal cortex (DLPFC) of two rhesus monkeys (Macaca mulatta).
Monkeys performed a reward preference task requiring them to choose between visual cues associated with varying amounts of juice reward.
Neuronal activity in both prefrontal areas scaled with reward magnitude, but DLPFC neurons simultaneously encoded the animal's forthcoming motor response, whereas OFC neurons primarily represented reward amount alone.
Reward selectivity emerged more rapidly in the OFC than in the DLPFC, indicating a functional hierarchy where reward valuation flows from OFC to DLPFC to direct behavioral output.

Cite This Study

Wallis et al. (2003) studied this question.

synapsesocial.com/papers/6a155d01d64fa333899f9224 https://doi.org/10.1046/j.1460-9568.2003.02922.x

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