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  The neural computation of human prosocial choices in complex motivational states

Saulin, A., Horn, U., Lotze, M., Kaiser, J., & Hein, G. (2022). The neural computation of human prosocial choices in complex motivational states. NeuroImage, 247: 118827. doi:10.1016/j.neuroimage.2021.118827.

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 Creators:
Saulin, Anne1, 2, Author
Horn, Ulrike3, Author              
Lotze, Martin4, Author
Kaiser, Jochen2, Author
Hein, Grit1, 2, Author
Affiliations:
1Department of Psychiatry, Psychosomatics and Psychotherapy, University Hospital Würzburg, Germany, ou_persistent22              
2Institute of Medical Psychology, Goethe University, Frankfurt, Germany, ou_persistent22              
3Max Planck Research Group Pain Perception, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2497695              
4Center for Diagnostic Radiology and Neuroradiology, Ernst Moritz Arndt University of Greifswald, Germany, ou_persistent22              

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Free keywords: Motivation; Social decision-making; Hierarchical drift-diffusion modeling; fMRI; Social neuroscience
 Abstract: Motives motivate human behavior. Most behaviors are driven by more than one motive, yet it is unclear how different motives interact and how such motive combinations affect the neural computation of the behaviors they drive. To answer this question, we induced two prosocial motives simultaneously (multi-motive condition) and separately (single motive conditions). After the different motive inductions, participants performed the same choice task in which they allocated points in favor of the other person (prosocial choice) or in favor of themselves (egoistic choice). We used fMRI to assess prosocial choice-related brain responses and drift diffusion modeling to specify how motive combinations affect individual components of the choice process. Our results showed that the combination of the two motives in the multi-motive condition increased participants' choice biases prior to the behavior itself. On the neural level, these changes in initial prosocial bias were associated with neural responses in the bilateral dorsal striatum. In contrast, the efficiency of the prosocial decision process was comparable between the multi-motive and the single-motive conditions. These findings provide insights into the computation of prosocial choices in complex motivational states, the motivational setting that drives most human behaviors.

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Language(s): eng - English
 Dates: 2021-11-242021-07-182021-12-152021-12-162022-02-15
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.neuroimage.2021.118827
Other: epub 2021
PMID: 34923133
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Grant ID : HE 4566/2–1; HE 4566/5–1
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Funding organization : German Research Foundation (DFG)

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Title: NeuroImage
Source Genre: Journal
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Publ. Info: Orlando, FL : Academic Press
Pages: - Volume / Issue: 247 Sequence Number: 118827 Start / End Page: - Identifier: ISSN: 1053-8119
CoNE: https://pure.mpg.de/cone/journals/resource/954922650166