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Pers Individ Dif. 2014 Feb 01;58. doi: 10.1016/j.paid.2013.10.008.

Personality and facial morphology: Links to assertiveness and neuroticism in capuchins (.

Personality and individual differences

V Wilson, C E Lefevre, F B Morton, S F Brosnan, A Paukner, T C Bates

Affiliations

  1. Department of Psychology, University of Edinburgh, UK ; Scottish Primate Research Group, UK.
  2. Department of Psychology, University of York, UK.
  3. Scottish Primate Research Group, UK ; Psychology, School of Natural Sciences, University of Stirling, UK.
  4. Department of Psychology and Language Research Centre, Georgia State University, Atlanta, GA, USA.
  5. Laboratory of Comparative Ethology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Poolesville, MD, USA.
  6. Department of Psychology, University of Edinburgh, UK ; Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, UK.

PMID: 24347756 PMCID: PMC3859533 DOI: 10.1016/j.paid.2013.10.008

Abstract

Personality has important links to health, social status, and life history outcomes (e.g. longevity and reproductive success). Human facial morphology appears to signal aspects of one's personality to others, raising questions about the evolutionary origins of such associations (e.g. signals of mate quality). Studies in non-human primates may help to achieve this goal: for instance, facial width-to-height ratio (fWHR) in the male face has been associated with dominance not only in humans but also in capuchin monkeys. Here we test the association of personality (assertiveness, openness, attentiveness, neuroticism, and sociability) with fWHR, face width/lower-face height, and lower face/face height ratio in 64 capuchins (

Keywords: Capuchin; Sapajus; assertiveness; attentiveness; face morphology; neuroticism; personality

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