Cited by 59Neuroendocrine regulation and behaviorPrimate Behavior and EcologyHuman-Animal Interaction Studies

Do marmosets care to share? Oxytocin treatment reduces prosocial behavior toward strangers

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Mustoe, Aaryn C., Cavanaugh, Jon, Harnisch, April M., Thompson, Breanna E., French, Jeffrey A.·2015·Hormones and Behavior

Abstract

Cooperatively-breeding and socially-monogamous primates, like marmosets and humans, exhibit high levels of social tolerance and prosociality toward others. Oxytocin (OXT) generally facilitates prosocial behavior, but there is growing recognition that OXT modulation of prosocial behavior is shaped by the context of social interactions and by other motivational states such as arousal or anxiety. To determine whether prosociality varies based on social context, we evaluated whether marmoset donors (Callithrix penicillata) preferentially rewarded pairmates versus opposite-sex strangers in a prosocial food-sharing task. To examine potential links among OXT, stress systems, and prosociality, we evaluated whether pretrial cortisol levels in marmosets altered the impact of OXT on prosocial responses. Marmosets exhibited spontaneous prosociality toward others, but they did so preferentially toward strangers compared to their pairmates. When donor marmosets were treated with marmoset-specific Pro(8)-OXT, they exhibited reduced prosociality toward strangers compared to marmosets treated with saline or consensus-mammalian Leu(8)-OXT. When pretrial cortisol levels were lower, marmosets exhibited higher prosociality toward strangers. These findings demonstrate that while marmosets show spontaneous prosocial responses toward others, they do so preferentially toward opposite-sex strangers. Cooperative breeding may be associated with the expression of prosociality, but the existence of a pair-bond between marmoset partners appears to be neither necessary nor sufficient for the expression of spontaneous prosocial responses. Furthermore, high prosociality toward strangers is significantly reduced in marmosets treated with Pro(8)-OXT, suggesting that OXT does not universally enhance prosociality, but, rather OXT modulation of prosocial behavior varies depending on social context.

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Crossref · 10.1016/j.yhbeh.2015.04.015

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  • Marmosets treated with IN Pro8-OT reduced altruistic food sharing with opposite-sex strangers, but altruistic food sharing with their long-term pairmates was unaffected.

    “marmosets treated with IN Pro8-OT reduced ‘altruistic’ food sharing with opposite-sex strangers, but ‘altruistic’ food sharing with their long-term pairmates was unaffected.”

    From Neuropeptide diversity and the regulation of social behavior in New World primates (2016) · cites this paper as Mustoe et al., 2015

  • Marmosets treated with IN OT reduced prosocial preferences but in a contextually-specific way.

    “marmosets treated with IN OT actually reduced prosocial preferences but in a contextually-specific way (Mustoe et al., 2015).”

    From Neuropeptide diversity and the regulation of social behavior in New World primates (2016) · cites this paper as Mustoe et al., 2015

  • Treatment with Pro8-OXT, but not the consensus mammalian ligand (Leu8-OXT), reduced both sociosexual behaviour and prosocial food sharing toward opposite-sex strangers.

    “For instance, treatment with Pro8-OXT, but not the consensus mammalian ligand (Leu8-OXT), reduced both sociosexual behaviour and prosocial food sharing toward opposite-sex strangers (Cavanaugh et al., 2014; Mustoe et al., 2015).”
  • Prosocial responses occur through multiple processes both within and across species, some of which may be modified by OXT while others may not (this study).

    “Ultimately, prosocial responses occur through multiple processes both within and across species, some of which may be modified by OXT (Brosnan, Talbot, et al., 2015; Chang et al., 2012; Mustoe et al., 2015) while others may not (this study).”
  • In captive marmosets, there is a clear willingness or tolerance to reward others in a low-cost task without the expectation to receive an immediate reward for themselves.

    “In captive marmosets, there is a clear willingness or tolerance to reward others in a low-cost task without the expectation to receive an immediate reward for themselves (Burkart et al., 2007; Mustoe et al., 2015)”

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Research works printed but not linked: 1

  1. Feistner AT McGrew WC 1989 Food-sharing in primates: a critical review Perspect Primate Biol 3 21 36

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Authors
Mustoe, A. C., Cavanaugh, J., Harnisch, A. M., Thompson, B. E., & French, J. A.
Affiliations
University of Nebraska at Omaha (US)
Corresponding author
Mustoe, Aaryn C.
Venue
Hormones and Behavior
Publisher
Elsevier BV
Published
2015-05
Volume
71
Pages
83-90
ISSN
0018-506X (ISSN-L)
OpenAlex
W1988902234
Cited by
59
References
83
Citations by year
2026: 3 · 2025: 2 · 2024: 1 · 2023: 2 · 2022: 4 · 2021: 3 · 2020: 4 · 2019: 6 · 2018: 11 · 2017: 5 · 2016: 13 · 2015: 5
FWCI
18.55
Type
journal article
Language
en
Open access
Locations
  • Hormones and Behavior (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH (HD042882)
  • UNO-Graduate Research and Creative Activity Award
  • University of Nebraska Presidential Doctoral Fellowship
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Social Sciences › Psychology › Social Psychology › Primate Behavior and Ecology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Human-Animal Interaction Studies
Keywords
oxytocin, prosocial behavior, food sharing, marmoset, Callithrix penicillata, cooperative breeding, social tolerance, pair bond, cortisol, stress system, social environment
MeSH terms
Animals, Behavior, Animal, Callithrix, Female, Hydrocortisone, Interpersonal Relations, Male, Motivation, Oxytocin, Pair Bond, Social Behavior

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