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Facial dimorphism in autistic quotient scores

Scott, N.J. and Jones, A.L. and Kramer, R.S.S. and Ward, R. (2014) Facial dimorphism in autistic quotient scores. Clinical Pshychological Science, 3 (2). pp. 230-241. DOI: 10.1177/2167702614534238

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Abstract

Baron-Cohen�s extreme male brain theory proposes that autism results from elevated prenatal testosterone levels. In the present study, we assessed possible correlated effects of androgen exposure on adult morphology and, in particular, the development of facial features associated with masculinity. We created composite images capturing statistical regularities in facial appearance associated with high and low Autism-Spectrum Quotient (AQ) scores. In three experiments, we assessed correlations between perceived facial masculinity and AQ scores. In Experiment 1, observers selected the high-AQ males as more masculine. We replicated this result in Experiment 2, using different photographs, composite-image methods, and observers. There was no association of masculinity and AQ scores for female faces in either study. In Experiment 3, we created high- and low-AQ male composites from the five AQ subscales. High-AQ images were rated more masculine on each of the subscales. We discuss these findings with respect to the organizational-activational hypothesis of testosterone activity during development.

Item Type: Article
Subjects: Research Publications
Departments: College of Health and Behavioural Sciences > School of Psychology
Date Deposited: 15 Mar 2016 04:32
Last Modified: 15 Mar 2016 04:32
ISSN: 2167-7026
URI: http://e.bangor.ac.uk/id/eprint/6354
Identification Number: DOI: 10.1177/2167702614534238
Publisher: Sage Publications
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