Journal
SOCIAL COGNITIVE AND AFFECTIVE NEUROSCIENCE
Volume 7, Issue 3, Pages 274-281Publisher
OXFORD UNIV PRESS
DOI: 10.1093/scan/nsr006
Keywords
social reward; monetary reward; ventromedial prefrontal cortex; ventral striatum
Categories
Funding
- Betty and Gordon Moore Foundation
- NSF IGERT
- NIMH
- Direct For Biological Sciences
- Div Of Biological Infrastructure [0922982] Funding Source: National Science Foundation
- Direct For Social, Behav & Economic Scie
- Division Of Behavioral and Cognitive Sci [0959140] Funding Source: National Science Foundation
- Divn Of Social and Economic Sciences
- Direct For Social, Behav & Economic Scie [0926544] Funding Source: National Science Foundation
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Learning to make choices that yield rewarding outcomes requires the computation of three distinct signals: stimulus values that are used to guide choices at the time of decision making, experienced utility signals that are used to evaluate the outcomes of those decisions and prediction errors that are used to update the values assigned to stimuli during reward learning. Here we investigated whether monetary and social rewards involve overlapping neural substrates during these computations. Subjects engaged in two probabilistic reward learning tasks that were identical except that rewards were either social (pictures of smiling or angry people) or monetary (gaining or losing money). We found substantial overlap between the two types of rewards for all components of the learning process: a common area of ventromedial prefrontal cortex (vmPFC) correlated with stimulus value at the time of choice and another common area of vmPFC correlated with reward magnitude and common areas in the striatum correlated with prediction errors. Taken together, the findings support the hypothesis that shared anatomical substrates are involved in the computation of both monetary and social rewards.
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