Abstract
To study sex differences in the recognition of human faces with different facial expressions, 65 female and 64 male participants learned to associate names with various male and female neutral faces. During the recall phase, participants were then asked to name the same persons depicting different emotional expressions (neutral, happy, angry, and fearful). Females were faster than males at naming male faces, and males were faster than females at naming female faces. All participants were faster at naming neutral or happy female faces than neural or happy male faces. These results suggest that opposite-sex faces require less processing time than same-sex faces, which is consistent with an evolutionary account.
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