Behavioral Differences Between Feral Group-Reared and Mother-Reared Young Japanese Monkeys
We have studied effects of isolation on behaviors of Japanese monkeys such as distortions of social behaviors, restrictions in contact with physical environment, and development of stereotyped behaviors (Itoigawa 1967), and have found that these effects depend on the development of monkeys (Minami 1974). The stereotyped behaviors, especially locomotive stereotyped behaviors, increase in encountering situations where some degree of “tension” appears to be present (Yamaguchi 1977). We consider that the stereotyped behaviors reflect emotional disturbance in monkeys.
KeywordsAggressive Behavior Social Behavior Group Formation Dominance Relation Stereotyped Behavior
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