Under the Evolutionary Advantage view of symmetric preferences, we have evolved to prefer symmetry and perceive it as attractive because over human history we have consistently and constantly preferred healthier individuals for mates. Developmental stability and human violence. Cues of phenotypic condition should be among those used by women in their choice of mates. The distributions of attractiveness ratings from 2D and 3D images were not significantly different from normal Shapiro-Wilk tests; 2D images: Data across culture and species. Symmetry may act as a marker of phenotypic and genetic quality and is preferred during mate selection in a variety of species. Psychological Science , 17 7 , —
Facial attractiveness, symmetry and cues of good genes.
Swordtail fish have dark vertical bars on their sides. Symmetry is related to sexual dimorphism in faces: Inquiry 17 , — Indeed, by comparing preferences for averageness when the effects of symmetry were controlled for and were not controlled for, Jones et al. Thus, it is important to examine perceptions of facial health directly. There is also a link between hormonal profile and face shape. She is a psychologist at the University of Pennsylvania in Philadelphia.
What makes a pretty face? | Science News for Students
Her work has now shown that healthier peacocks have more eyespots in their tails. Biological Sciences web site. Journal List Proc Biol Sci v. Bornstein Exposure and effect: That experience can make a difference.
She knew peahens prefer males with more eyespots. The researchers then searched the EEGs for patterns of electrical activity. Biol Rev Camb Philos Soc. Future studies should test whether perceptions of averageness differ in 2D and 3D facial images. Apparent healthiness of facial skin is one factor that may influence male facial attractiveness and covary with facial symmetry. For example, Molly Morris found that young female swordtail fish prefer symmetrical males.