Cues to Personality and Health in the Facial Appearance of Chimpanzees ()
Humans ( Homo sapiens ) and chimpanzees ( Pan troglodytes ) can extract socially-relevant information from the static, non-expressive faces of conspecifics.In humans, the face is a valid signal of both personality and health.Recent evidence shows that, like humans, chimpanzee faces also contain personality information, and that humans can accuratel