“…A caretaker who provides security in a strange situation and calms the infant may prevent him from engaging in stereotypies. Besides, a decrease of stereotyped behaviors usually occurs when the animals are kept under more normal social conditions, especially when integrated into a group (Meder, 1985b;Puleo, Zucker, & Maple, 1983;Clarke, Juno, & Maple, 1982;Davenport, 1979;Fritz & Fritz, 1979;Pfeiffer & Koebner, 1978;Wilson & Elicker, 1976). When living together with conspecifics, the young primate may find security by making contact with them instead of engaging in stereotypies.…”