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A common neural code for social and monetary rewards in the human striatum

A common neural code for social and monetary rewards in the human striatum
A common neural code for social and monetary rewards in the human striatum
Although managing social information and decision making on the basis of reward is critical for survival, it remains uncertain whether differing reward type is processed in a uniform manner. Previously, we demonstrated that monetary reward and the social reward of good reputation activated the same striatal regions including the caudate nucleus and putamen. However, it remains unclear whether overlapping activations reflect activities of identical neuronal populations or two overlapping but functionally independent neuronal populations. Here, we re-analyzed the original data and addressed this question using multivariate-pattern-analysis and found evidence that in the left caudate nucleus and bilateral nucleus accumbens, social vs monetary reward were represented similarly. The findings suggest that social and monetary rewards are processed by the same population of neurons within these regions of the striatum. Additional findings demonstrated similar neural patterns when participants experience high social reward compared to viewing others receiving low social reward (potentially inducing schadenfreude). This is possibly an early indication that the same population of neurons may be responsible for processing two different types of social reward (good reputation and schadenfreude). These findings provide a supplementary perspective to previous research, helping to further elucidate the mechanisms behind social vs non-social reward processing.
1749-5016
1558-1564
Wake, Stephanie
dedd24ad-6791-4db4-800c-ae19e3d9cf01
Izuma, Keise
67894464-b2eb-4834-9727-c2a870587e5a
Wake, Stephanie
dedd24ad-6791-4db4-800c-ae19e3d9cf01
Izuma, Keise
67894464-b2eb-4834-9727-c2a870587e5a

Wake, Stephanie and Izuma, Keise (2017) A common neural code for social and monetary rewards in the human striatum. Social Cognitive and Affective Neuroscience, 12 (10), 1558-1564. (doi:10.1093/scan/nsx092).

Record type: Article

Abstract

Although managing social information and decision making on the basis of reward is critical for survival, it remains uncertain whether differing reward type is processed in a uniform manner. Previously, we demonstrated that monetary reward and the social reward of good reputation activated the same striatal regions including the caudate nucleus and putamen. However, it remains unclear whether overlapping activations reflect activities of identical neuronal populations or two overlapping but functionally independent neuronal populations. Here, we re-analyzed the original data and addressed this question using multivariate-pattern-analysis and found evidence that in the left caudate nucleus and bilateral nucleus accumbens, social vs monetary reward were represented similarly. The findings suggest that social and monetary rewards are processed by the same population of neurons within these regions of the striatum. Additional findings demonstrated similar neural patterns when participants experience high social reward compared to viewing others receiving low social reward (potentially inducing schadenfreude). This is possibly an early indication that the same population of neurons may be responsible for processing two different types of social reward (good reputation and schadenfreude). These findings provide a supplementary perspective to previous research, helping to further elucidate the mechanisms behind social vs non-social reward processing.

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More information

Accepted/In Press date: 18 July 2017
e-pub ahead of print date: 20 July 2017
Published date: October 2017
Additional Information: © The Author (2017). Published by Oxford University Press.

Identifiers

Local EPrints ID: 425193
URI: http://eprints.soton.ac.uk/id/eprint/425193
ISSN: 1749-5016
PURE UUID: c3694459-6d04-407c-ae9f-2b363d766f0e

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Date deposited: 11 Oct 2018 16:30
Last modified: 15 Mar 2024 22:04

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Contributors

Author: Stephanie Wake
Author: Keise Izuma

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