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Neural encoding of socially adjusted value during competitive and hazardous foraging

Brian Silston, Toby Wise, Song Qi, Xin Sui, Peter Dayan, Dean Mobbs
doi: https://doi.org/10.1101/2020.09.11.294058
Brian Silston
1Columbia University, Department of Psychology, 370 Schermerhorn Hall 1190 Amsterdam Ave., New York, NY 10027, USA
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Toby Wise
2Department of Humanities and Social Sciences and California Institute of Technology, 1200 E California Blvd, HSS 228–77, Pasadena, California 91125, USA
3Wellcome Centre for Human Neuroimaging, University College London, London, UK
4Max Planck UCL Centre for Computational Psychiatry and Ageing Research, University College London, London, UK
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Song Qi
2Department of Humanities and Social Sciences and California Institute of Technology, 1200 E California Blvd, HSS 228–77, Pasadena, California 91125, USA
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Xin Sui
2Department of Humanities and Social Sciences and California Institute of Technology, 1200 E California Blvd, HSS 228–77, Pasadena, California 91125, USA
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Peter Dayan
5Max Planck Institute for Biological Cybernetics, Tübingen, Germany
6University of Tübingen, Tübingen Germany
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Dean Mobbs
2Department of Humanities and Social Sciences and California Institute of Technology, 1200 E California Blvd, HSS 228–77, Pasadena, California 91125, USA
7Computation and Neural Systems Program at the California Institute of Technology, 1200 E California Blvd, HSS 228–77, Pasadena
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  • For correspondence: Dmobbs@caltech.edu
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Abstract

In group foraging organisms, optimizing the conflicting demands of competitive food loss and safety is critical. We demonstrate that humans select competition avoidant and risk diluting strategies during foraging depending on socially adjusted value. We formulate a mathematically grounded quantification of socially adjusted value in foraging environments and show using multivariate fMRI analyses that socially adjusted value is encoded by mid-cingulate and ventromedial prefrontal cortices, regions that integrate value and action signals.

Competing Interest Statement

The authors have declared no competing interest.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission.
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Posted September 12, 2020.
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Neural encoding of socially adjusted value during competitive and hazardous foraging
Brian Silston, Toby Wise, Song Qi, Xin Sui, Peter Dayan, Dean Mobbs
bioRxiv 2020.09.11.294058; doi: https://doi.org/10.1101/2020.09.11.294058
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Neural encoding of socially adjusted value during competitive and hazardous foraging
Brian Silston, Toby Wise, Song Qi, Xin Sui, Peter Dayan, Dean Mobbs
bioRxiv 2020.09.11.294058; doi: https://doi.org/10.1101/2020.09.11.294058

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