Effects of oxytocin on human social approach measured using intimacy equilibriums

Jean C J Liu*, Adam J. Guastella, Mark R. Dadds

*Corresponding author for this work

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Research in animals and humans suggests a role of oxytocin in social approach to strangers. We tested this by introducing undergraduate students to opposite-gendered strangers, with each member of the pair having taken either oxytocin or placebo. One hundred and four undergraduate students were paired up and engaged in a face-to-face conversation structured with a series of intimate topics for discussion. We found that oxytocin increased conversational intimacy in female but not male participants, but that this was matched with compensatory decreases in eye-contact (relative to placebo). Argyle and Dean (1965) conceptualise intimacy as a function of physical distance, eye-contact, and conversational intimacy, such that equilibrium is maintained when increases in one domain are matched by compensatory decreases in another domain. Based on this notion, our results suggest that oxytocin does not facilitate social approach by increasing the intimacy equilibrium between two strangers.

Original languageEnglish
Pages (from-to)585-591
Number of pages7
JournalHormones and Behavior
Volume62
Issue number5
DOIs
Publication statusPublished - Nov 2012
Externally publishedYes

Keywords

  • Intimacy equilibrium
  • Oxytocin
  • Social approach

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