Africans and Europeans differ in their facial perception of dominance and sex-typicality: a multidimensional Bayesian approach.
Africans and Europeans differ in their facial perception of dominance and sex-typicality: a multidimensional Bayesian approach.
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DOI：
10.1038/s41598-022-10646-6
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发表时间：
2022-04-26
影响因子：
4.6
通讯作者：
Kleisner, Karel
中科院分区：
文献类型：
--
作者：
Fiala, Vojtech;Turecek, Petr;Akoko, Robert Mbe;Pokorny, Simon;Kleisner, Karel
面部优势和性别典型性对生物社会的影响在不同的人类群体中都有充分的证据。然而，目前尚不清楚是否可以从不同人群的性别二态性面部特征中一致地预测出感知到的性别典型性和主导性。通过结合多维贝叶斯方法和几何形态计量学，我们探索了欧洲和非洲人群中感知的优势、感知的性别典型性、测量的性别形状二态性和肤色之间的关联。与之前的研究不同，我们研究了形状引起的面部变化的影响，与自然非操纵刺激中与形状无关的视觉线索引起的变化分开研究。对于男性来说，感知到的男子气概与感知到的两个群体的主导地位相关。令人惊讶的是，在欧洲女性中，较高的女性气质感知同样与感知的主导地位呈正相关。形状和非形状成分都参与面部性别典型性和优势的构成。肤色可以预测非洲人的性别典型性，但不能预测欧洲人的性别典型性。每个群体的成员可能使用不同的线索来评估性别典型性和优势。使用我们的方法，我们发现没有普遍的性别二态量表可以预测人类对性别典型性和主导地位的看法。因此，对性别典型性的单维理解似乎存在问题，在研究感知的性别典型性及其相关性时应谨慎应用。
Biosocial impact of facial dominance and sex-typicality is well-evidenced in various human groups. It remains unclear, though, whether perceived sex-typicality and dominance can be consistently predicted from sexually dimorphic facial features across populations. Using a combination of multidimensional Bayesian approach and geometric morphometrics, we explored associations between perceived dominance, perceived sex-typicality, measured sexual shape dimorphism, and skin colour in a European and an African population. Unlike previous studies, we investigated the effect of facial variation due to shape separately from variation due to visual cues not related to shape in natural nonmanipulated stimuli. In men, perceived masculinity was associated with perceived dominance in both populations. In European women higher perceived femininity was, surprisingly, likewise positively associated with perceived dominance. Both shape and non-shape components participate in the constitution of facial sex-typicality and dominance. Skin colour predicted perceived sex-typicality in Africans but not in Europeans. Members of each population probably use different cues to assess sex-typicality and dominance. Using our methods, we found no universal sexually dimorphic scale predicting human perception of sex-typicality and dominance. Unidimensional understanding of sex-typicality thus seems problematic and should be applied with cautions when studying perceived sex-typicality and its correlates.
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