The effect of oxytocin on biological motion perception in dogs (Canis familiaris)

Krisztina Kovács, Anna Kis, Orsolya Kanizsár, Anna Hernádi, M. Gácsi, J. Topál

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Recent studies have shown that the neuropeptide oxytocin is involved in the regulation of several complex human social behaviours. There is, however, little research on the effect of oxytocin on basic mechanisms underlying human sociality, such as the perception of biological motion. In the present study, we investigated the effect of oxytocin on biological motion perception in dogs (Canis familiaris), a species adapted to the human social environment and thus widely used to model many aspects of human social behaviour. In a within-subjects design, dogs (N = 39), after having received either oxytocin or placebo treatment, were presented with 2D projection of a moving point-light human figure and the inverted and scrambled version of the same movie. Heart rate (HR) and heart rate variability (HRV) were measured as physiological responses, and behavioural response was evaluated by observing dogs’ looking time. Subjects were also rated on the personality traits of Neuroticism and Agreeableness by their owners. As expected, placebo-pretreated (control) dogs showed a spontaneous preference for the biological motion pattern; however, there was no such preference after oxytocin pretreatment. Furthermore, following the oxytocin pretreatment female subjects looked more at the moving point-light figure than males. The individual variations along the dimensions of Agreeableness and Neuroticism also modulated dogs’ behaviour. Furthermore, HR and HRV measures were affected by oxytocin treatment and in turn played a role in subjectsʼ looking behaviour. We discuss how these findings contribute to our understanding of the neurohormonal regulatory mechanisms of human (and non-human) social skills.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalAnimal Cognition
DOIs
Publication statusAccepted/In press - Jan 7 2016

Keywords

  • Biological motion
  • Dog (Canis familiaris)
  • Heart rate
  • Individual traits
  • Oxytocin

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Experimental and Cognitive Psychology

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