Oxytocin, but not vasopressin, increases both parochial and universal altruism

Salomon Israel*, Ori Weisel, Richard P. Ebstein, Gary Bornstein

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

72 Scopus citations

Abstract

In today's increasingly interconnected world, deciding with whom and at what level to cooperate becomes a matter of increasing importance as societies become more globalized and large-scale cooperation becomes a viable means of addressing global issues. This tension can play out via competition between local (e.g. within a group) and global (e.g., between groups) interests. Despite research highlighting factors influencing cooperation in such multi-layered situations, their biological basis is not well understood. In a double-blind placebo controlled study, we investigated the influence of intranasally administered oxytocin and arginine vasopressin on cooperative behavior at local and global levels. We find that oxytocin causes an increase in both the willingness to cooperate and the expectation that others will cooperate at both levels. In contrast, participants receiving vasopressin did not differ from those receiving placebo in their cooperative behavior. Our results highlight the selective role of oxytocin in intergroup cooperative behavior.

Original languageAmerican English
Pages (from-to)1341-1344
Number of pages4
JournalPsychoneuroendocrinology
Volume37
Issue number8
DOIs
StatePublished - Aug 2012

Bibliographical note

Funding Information:
This research was supported by an Israel Science Foundation grant ( 1392/08 ) to Gary Bornstein. We thank Matan Zilkha, Hen Pundak, Atar Shiloh, and Reut Zeiri for invaluable help in administering the experimental sessions, David Mankuta for support, and Idan Shalev for information and advise.

Keywords

  • Altruism
  • Intergroup cooperation
  • Nested social dilemma
  • Oxytocin
  • Vasopressin

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