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Full-Text Articles in Biological and Physical Anthropology
Was Facial Width-To-Height Ratio Subject To Sexual Selection Pressures? A Life Course Approach, Carolyn R. Hodges-Simeon, Graham Albert, George B. Richardson, Timothy S. Mchale, Seth M. Weinberg, Michael Gurven, Steven J.C. Gaulin
Was Facial Width-To-Height Ratio Subject To Sexual Selection Pressures? A Life Course Approach, Carolyn R. Hodges-Simeon, Graham Albert, George B. Richardson, Timothy S. Mchale, Seth M. Weinberg, Michael Gurven, Steven J.C. Gaulin
Anthropology and Museum Studies Faculty Scholarship
Sexual selection researchers have traditionally focused on adult sex differences; however, the schedule and pattern of sex-specific ontogeny can provide insights unobtainable from an exclusive focus on adults. Recently, it has been debated whether facial width-to-height ratio (fWHR; bi-zygomatic breadth divided by midface height) is a human secondary sexual characteristic (SSC). Here, we review current evidence, then address this debate using ontogenetic evidence, which has been under-explored in fWHR research. Facial measurements were collected from 3D surface images of males and females aged 3 to 40 (Study 1; US European-descent, n = 2449), and from 2D photographs of males and …