A new viewpoint on the evolution of sexually dimorphic human faces

Darren Burke, Danielle Sulikowski

Research output: Book chapter/Published conference paperConference paperpeer-review

Abstract

Human faces show marked sexual shape dimorphism, and this affects their attractiveness. Humans also show marked height dimorphism, which means that men typically view women's faces from slightly above and women typically view men's faces from slightly below. We tested the idea that this perspective difference may be the evolutionary origin of the face shape dimorphism by having males and females rate the masculinity/femininity and attractiveness of male and female faces that had been manipulated in pitch (forward or backward tilt), simulating viewing the face from slightly above or below. As predicted, tilting female faces upwards decreased their perceived femininity and attractiveness, whereas tilting them downwards increased their perceived femininity and attractiveness. Male faces tilted up were judged to be more masculine, and tilted down judged to be less masculine. This suggests that sexual selection may have embodied this viewpoint difference into the actual facial proportions of men and women.
Original languageEnglish
Title of host publicationAustralasian Experimental Psychology Conference (EPC)
EditorsSimon J Cropper
PublisherThe Australian Psychological Society
Pages7-7
Number of pages1
ISBN (Electronic)9780909881429
Publication statusPublished - 2010
Event37th Australasian Experimental Psychology Conference - University of Melbourne, Australia
Duration: 17 Apr 201019 Apr 2010

Conference

Conference37th Australasian Experimental Psychology Conference
CountryAustralia
Period17/04/1019/04/10

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