Sex differences in face processing: Are women less lateralized and faster than men?

Brain and Cognition
Ornella Godard, Nicole Fiori

Abstract

The aim of this study was to determine the influence of sex on hemispheric asymmetry and cooperation in a face recognition task. We used a masked priming paradigm in which the prime stimulus was centrally presented; it could be a bisymmetric face or a hemi-face in which facial information was presented in the left or the right visual field and projected to the right or the left hemisphere. The target stimulus was always a bisymmetric face presented centrally. Faces were selected from Minear and Park's (2004) database. Fifty-two right-handed students (26 men, 26 women) participated in this experiment, in which accuracy (percentage of correct responses) and reaction times (RTs in ms) were measured. Although accuracy data showed that the percentage of correct recognition- when prime and target matched- was equivalent in men and women, men's RTs were longer than women's in all conditions. Accuracy and RTs showed that men are more strongly lateralized than women, with right hemispheric dominance. These results suggest that men are as good at face recognition as women, but there are functional differences in the two sexes. The findings are discussed in terms of functional cerebral networks distributed over both hemispheres and of int...Continue Reading

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Mar 6, 2012·Laterality·Ornella Godard, Nicole Fiori
Jun 17, 2015·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Xiuxian YangYanjie Yang
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