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Primate Research Institute, Kyoto University
Mother-infant interactions in captive and wild chimpanzees
Misato Hayashi, Tetsuro Matsuzawa
We review studies on mother-infant interactions in chimpanzees, our closest living relatives, in captive and wild environments. Infant cognitive development is formed through mother-infant interactions during the long dependent period, which is approximately 5 years. Patterns of interaction between mothers and infants are different from those observed in adult chimpanzees. Mother-infant interactions are relatively altruistic, although solicitation by infants is almost always required. Active teaching has rarely been reported in chimpanzees; instead, infants socially learn new skills through long-term observation. Case studies describing rearing of a disabled infant by a multiparous but inexperienced chimpanzee, and the carrying of dead infants in the wild chimpanzees of Bossou reveal the strong affectionate bond between mothers and infants. Characteristics of human mother-infant interaction are highlighted through comparisons with chimpanzees.
Infant Behavior & Development 48 (2017) 20-29
2017/06/23 Primate Research Institute