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Open AccessArticle

Lack of Correlation Between Facial Sexual Dimorphism, Fluctuating Asymmetry and Self-Perceived Attractiveness in Men and Women

1
Evolutionary ecology group, Biology department, Antwerp University, 2610 Wilrijk, Belgium
2
Medical Imaging Research Center, Universitair Ziekenhuis Gasthuisberg, 3000 Leuven, Belgium
3
Department of Electrical Engineering, ESAT/PSI, 3001 Heverlee, Belgium
4
Department of Human Genetics, KU Leuven, Leuven 3000, Belgium
*
Author to whom correspondence should be addressed.
Symmetry 2020, 12(2), 236; https://doi.org/10.3390/sym12020236
Received: 11 December 2019 / Revised: 27 January 2020 / Accepted: 31 January 2020 / Published: 4 February 2020
Human morphological sexual dimorphism and fluctuating asymmetry have been suggested to signal ‘individual quality’ and are therefore expected to covary as well as to correlate with surrogate fitness/quality measures like attractiveness and dominance. While some case studies indeed found support for these hypotheses, the overall evidence is not overwhelming. However, most previous research used a limited number of landmarks to quantify masculinity and asymmetry. We here present results based on high-density 3D scans covering the entire facial area. In spite of these more detailed measurements, no significant associations were detected. These results are in line with conclusions of recent meta-analyses and cast doubt on the role of masculinity and fluctuating asymmetry as signals of (genetic) quality.
Keywords: fluctuating asymmetry; masculinity; developmental instability; sexual dimorphism; genetic quality fluctuating asymmetry; masculinity; developmental instability; sexual dimorphism; genetic quality
MDPI and ACS Style

Van Dongen, S.; Ekrami, O.; Claes, P. Lack of Correlation Between Facial Sexual Dimorphism, Fluctuating Asymmetry and Self-Perceived Attractiveness in Men and Women. Symmetry 2020, 12, 236.

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