Group Differences in the Mutual Gaze of Chimpanzees (Pan Troglodytes)

• Published in: Developmental psychology Vol. 41; no. 4; pp. 616 - 624
• Main Authors: Bard, Kim A, Myowa-Yamakoshi, Masako, Tomonaga, Masaki, Tanaka, Masayuki, Costall, Alan, Matsuzawa, Tetsuro
• Format: Journal Article
• Language: English
• Published: United States American Psychological Association 01.07.2005
• Subjects: Agonistic Behavior; Animal Behavior; Animal Communication; Animals; Attention; Cross Cultural Studies; Female; Fixation, Ocular; Learning Modalities; Male; Maternal Behavior; Motor Reactions; Motor Skills; Nonverbal Communication; Pan troglodytes - psychology; Primatology; Social Behavior; Social Environment; Species Specificity; Statistics as Topic; Stimulation; Touch; Visual Perception

A comparative developmental framework was used to determine whether mutual gaze is unique to humans and, if not, whether common mechanisms support the development of mutual gaze in chimpanzees and humans. Mother-infant chimpanzees engaged in approximately 17 instances of mutual gaze per hour. Mutual...