Dr Vanessa Wilson Vanessa.Wilson@hull.ac.uk
Lecturer
Dr Vanessa Wilson Vanessa.Wilson@hull.ac.uk
Lecturer
Alexander Weiss
Carmen E. Lefevre
Tomomi Ochiai
Tetsuro Matsuzawa
Miho Inoue-Murayama
Hani Freeman
Elizabeth S. Herrelko
Drew Altschul
Links between the human facial width-to-height ratio (fWHR) and aggressive behaviours have been debated in recent years. The question of whether fWHR is a cue to dominance could benefit from the study of primate species that are closely related to humans. We therefore built on the broad literature in humans, and recent research in capuchins, macaques and bonobos, and examined associations between fWHR in 131 captive chimpanzees from the United States, United Kingdom and Japan, and measures of age, sex, subspecies (Pan troglodytes verus, P. t. schweinfurthii, P. t. troglodytes), and six personality components (Dominance, Extraversion, Conscientiousness, Agreeableness, Neuroticism, and Openness). We found no evidence for sexual dimorphism in fWHR, as has been found in humans. We did find a positive relationship between fWHR and Dominance in P. t. verus, but only in adult females. This finding contrasts with that in humans, where dominant males have wider faces. We discuss these results in light of male-female differences in temporal rank stability, and in contrast to findings for bonobos, providing a useful perspective for fWHR research in humans.
Wilson, V., Weiss, A., Lefevre, C. E., Ochiai, T., Matsuzawa, T., Inoue-Murayama, M., Freeman, H., Herrelko, E. S., & Altschul, D. (2020). Facial width-to-height ratio in chimpanzees: Links to age, sex and personality. Evolution and Human Behavior, 41(3), 226-234. https://doi.org/10.1016/j.evolhumbehav.2020.03.001
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 3, 2020 |
Online Publication Date | Mar 5, 2020 |
Publication Date | May 1, 2020 |
Deposit Date | Oct 4, 2024 |
Publicly Available Date | Oct 9, 2024 |
Journal | Evolution and Human Behavior |
Print ISSN | 1090-5138 |
Electronic ISSN | 1879-0607 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 41 |
Issue | 3 |
Pages | 226-234 |
DOI | https://doi.org/10.1016/j.evolhumbehav.2020.03.001 |
Keywords | Facial morphology; Pan troglodytes verus; Dominance; Sexual dimorphism; Social cues |
Public URL | https://hull-repository.worktribe.com/output/4861231 |
Accepted manuscript
(667 Kb)
PDF
Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/
Copyright Statement
© 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
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