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Female and male responses to cuteness, age and emotion in infant faces

摘要:

Neonatal features in the newborn are thought to trigger parental care, the most fundamental prosocial behaviour. The underlying mechanisms that release parental care have not yet been resolved. Here we report sex differences in the ability to discriminate cues to cuteness despite equivalence in the capability to discriminate age and facial expression. These differences become apparent in a task where adults were asked to choose the cuter of two babies. While women could reliably choose the cuter infant, men had more difficulty in doing so. When showing the exact same face pairs but asking to choose the younger or the happier baby, there was no sex difference. These results suggest that the sex difference in the ability to discriminate cues to cuteness in infants underlies female-specific emotive responses. We argue that this reactivity expressed by women evolved to ensure that a female allocates her caretaking resources to her youngest offspring while it needs mothering care.

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作者单位: Institute of Psychology, University of Bern, Meusmattstrasse 45, 3012 Bern, Switzerland. David Perrett, School of Psychology, University of St Andrews, St Andrews, Fife KYI6 9JP, Scotland, UK [1] School of Psychology, University of St Andrews, St Andrews, Fife KYI 6 9JP, Scotland, UK [2]
发布时间: 2013-01-01
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