Sex-contingent face after-effects suggest distinct neural populations code male and female faces

A. C. Little, Lisa Marie Debruine, Benedict Christopher Jones

Research output: Contribution to journalArticle

146 Citations (Scopus)

Abstract

Exposure to faces biases perceptions of subsequently viewed faces. Faces similar to those seen previously are judged more normal and attractive than they were prior to exposure. Here we show sex-contingent after-effects following adaptation to eye-spacing (experiment 1), facial identity (experiment 2) and masculinity (experiment 3). Viewing faces of one sex with increased eye-spacing and faces of the other sex with decreased eye-spacing simultaneously induced opposite after-effects for male and female faces (assessed by normality judgments). Viewing faces transformed in identity or masculinity increased preferences for novel faces with characteristics similar to those viewed only when the sex of the faces presented in the adaptation phase and in post-adaptation preference tests were congruent. Because aftereffects reflect changes in responses of neural populations that code faces, our findings indicate that distinct neural populations code male and female faces.

Original languageEnglish
Pages (from-to)2283-2287
Number of pages4
JournalProceedings of the Royal Society of London. B, Biological Sciences
Volume272
Issue number1578
DOIs
Publication statusPublished - Nov 2005

Keywords

  • face space
  • representation
  • prototype
  • adaptation
  • after-effects
  • experience
  • facial attractiveness
  • recognition
  • dimorphism
  • shape
  • preferences
  • inversion
  • color
  • age

Cite this

Sex-contingent face after-effects suggest distinct neural populations code male and female faces. / Little, A. C.; Debruine, Lisa Marie; Jones, Benedict Christopher.

In: Proceedings of the Royal Society of London. B, Biological Sciences, Vol. 272, No. 1578, 11.2005, p. 2283-2287.

Research output: Contribution to journalArticle

Little, A. C. ; Debruine, Lisa Marie ; Jones, Benedict Christopher. / Sex-contingent face after-effects suggest distinct neural populations code male and female faces. In: Proceedings of the Royal Society of London. B, Biological Sciences. 2005 ; Vol. 272, No. 1578. pp. 2283-2287.
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