Facial symmetry
One specific measure of bodily symmetry / From Wikipedia, the free encyclopedia
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Facial symmetry is one specific measure of bodily symmetry. Along with traits such as averageness and youthfulness, it influences judgments of aesthetic traits of physical attractiveness and beauty.[1] For instance, in mate selection, people have been shown to have a preference for symmetry.[2][3]
Facial bilateral symmetry is typically defined as fluctuating asymmetry of the face comparing random differences in facial features of the two sides of the face.[4] The human face also has systematic, directional asymmetry: on average, the face (mouth, nose and eyes) sits systematically to the left with respect to the axis through the ears, the so-called aurofacial asymmetry.[5]