Jones BC, Hahn AC, Fisher C, Kandrik M, Wang H, Han C & DeBruine LM (2017). What does women's facial attractiveness cue? in "Signals in Evolutionary and Ecological Context" (Invited Podium Symposium). American Association of Physical Anthropologists in New Orleans, LA, USA. April 2017.

Evolutionary signals are hypothesized to represent phenotypic traits that influence the behav- iors of others. These signals develop through the mechanisms of natural and sexual selections, resulting from complex interactions between individuals within a variety of ecological contexts. Such traits have been studied extensively in a variety of taxa, with much recent work in human and nonhuman primates. The present symposium includes new and established experts in human and nonhuman primate signaling systems to review the present state of research on evolutionary signals in a variety of species across the order Primates (including humans, macaques, lemurs, and others). Drawing from concepts in sexual selection and life history theory, and a growing body of both field and laboratory observations and experiments, these presenta- tions include discussion on skin and hair coloration, sexual swellings, pheromones, body and face size and shape, vocalizations, physiological performance, and even religious rituals and parenting behaviors as signals. Discussion is focused primarily within the context of mate selection (signa- ling between the sexes), although social status (signaling within the sexes) is also considered. The potential costs behind these ‘viability-indicators’ are reviewed, especially the immunological and physiological correlates of coloration and other physical traits.

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