Cited by 157Neuroendocrine regulation and behaviorNeural and Behavioral Psychology StudiesMemory and Neural Mechanisms

Neural mechanisms of social decision-making in the primate amygdala

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Chang, Steve W. C., Fagan, Nicholas A., Toda, Koji, Utevsky, Amanda V., Pearson, John M., Platt, Michael L.·2015·Proceedings of the National Academy of Sciences

Abstract

Significance: Making social decisions requires evaluation of benefits and costs to self and others. Long associated with emotion and vigilance, neurons in primate amygdala also signal reward and punishment as well as information about the faces and eyes of others. Here we show that neurons in the basolateral amygdala signal the value of rewards for self and others when monkeys make social decisions. These value-mirroring neurons reflected monkeys’ tendency to make prosocial decisions on a momentary as well as long-term basis. We also found that delivering the social peptide oxytocin into basolateral amygdala enhances both prosocial tendencies and attention to the recipients of prosocial decisions. Our findings endorse the amygdala as a critical neural nexus regulating social decisions.

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Crossref · 10.1073/pnas.1514761112

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69 of 69 references verified0 citation errors · 0 not checkable

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  • In nonhuman primates, focal infusion of oxytocin into the amygdala significantly increases prosocial decisions.

    “In nonhuman primates, exogenous inhaled oxytocin promotes social donation behavior 26 and focal infusion of oxytocin into the amygdala significantly increases prosocial decisions 7 .”
  • Individual differences in social preferences in nonhuman primates are due in part to oxytocinergic regulation of amygdala-related neural circuits.

    “Individual differences in social preferences in nonhuman primates have been shown to be due in part to oxytocinergic regulation of amygdala-related neural circuits 6,7 .”
  • This result is consistent with studies in both nonhuman primates and in human neuroimaging studies suggesting that the amygdala represents how undesirable an outcome is.

    “This result is consistent with studies in both nonhuman primates 7 and in human neuroimaging studies 16 suggesting that the amygdala represents how undesirable an outcome is.”
  • Previous findings link prosocial decisions with several hubs in the social brain network, including the amygdala, ventral striatum and TPJ.

    “Moreover, we found evidence that social value distance is also encoded by neural responses in the ventral striatum and TPJ in prosocials, consistent with previous findings linking prosocial decisions with several hubs in the social brain network 7,36 , including the amygdala, ventral striatum and TPJ.”
  • The amygdala plays a critical role in allocating attention to other people and in integrating social information and social emotions into decision-making.

    “This is consistent with studies showing that the amygdala plays a critical role in allocating attention to other people 7 and in integrating social information 42 and social emotions 13 into decision-making.”

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Authors
Chang, S. W. C., Fagan, N. A., Toda, K., Utevsky, A. V., Pearson, J. M., & Platt, M. L.
Affiliations
  • Yale University (US)
  • Duke University (US)
Venue
Proceedings of the National Academy of Sciences
Published
2015-12-14
Volume
112
Issue
52
Pages
16012-16017
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2217623521
Cited by
157
References
69
Citations by year
2026: 5 · 2025: 19 · 2024: 14 · 2023: 6 · 2022: 15 · 2021: 19 · 2020: 16 · 2019: 18 · 2018: 21 · 2017: 12 · 2016: 11
FWCI
24.06
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • HHS | NIH | National Institute of Mental Health (R00-MH099093, R01-MH095894)
  • DOD | Army Research Office (W81XWH-11-1-0584)
  • Japan Society for the Promotion of Science (No number)
  • HHS | NIH | National Institute of Environmental Health Sciences (K01-ES-025442)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
social decision-making, amygdala, basolateral amygdala, oxytocin, dictator game, prosocial behavior, reward valuation, punishment, social preferences, neuromodulation, primate social behavior
MeSH terms
Animals, Choice Behavior, Cues, Decision Making, Humans, Macaca mulatta, Markov Chains, Models, Neurological, Monte Carlo Method, Neural Pathways, Neurons, Oxytocics, Oxytocin, Reward, Social Behavior, Basolateral Nuclear Complex

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