Tag Archives: exaggeration

Graded-Signal Sexual Swellings as Self-Deception?

The graded signal hypothesis suggests that sexual swellings in primates represent the probability of ovulation.  Based on this model, in male philopatric species, dominant males find it most cost-effective to guard females at the height of ovulation based on the … Continue reading

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Cosmetics Enhance Appearance of Femininity, Lack of Cosmetics Increases Appearance of Masculinity

Research by neuroscientist Richard Russell of the Gettysburgh Perception Lab suggests that sexual dimorphic differences between male and female faces, especially under circumstances of minimal sexual dimorphism, is all about contrast. Males have darker skin except for eyes and lips. … Continue reading

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