Patterns of Primate Behavior |
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Page 33
... months after a separation experience , one - year - old infants dif- fered from normal infants in spending more time close to their mother and also seemed less active . The differences persisted at 18 months . At 30 months ( two years ...
... months after a separation experience , one - year - old infants dif- fered from normal infants in spending more time close to their mother and also seemed less active . The differences persisted at 18 months . At 30 months ( two years ...
Page 35
... months old , but the mother treats infants of other mothers in this fashion by the time they are two months . Total maternal separation was never seen in the deprivation studies , perhaps because the cramped confines of a small cage ...
... months old , but the mother treats infants of other mothers in this fashion by the time they are two months . Total maternal separation was never seen in the deprivation studies , perhaps because the cramped confines of a small cage ...
Page 66
... months of age , Gua performed better than Donald ( aged 17 months ) on intelligence tests designed for apes , and did very well in general on tests designed for human infants . In the first half of the study the chim- panzee was either ...
... months of age , Gua performed better than Donald ( aged 17 months ) on intelligence tests designed for apes , and did very well in general on tests designed for human infants . In the first half of the study the chim- panzee was either ...
Contents
TWO | 27 |
Communication | 41 |
Sensory limitations on the perception of communication | 58 |
Copyright | |
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activity adult females adult males Africa aggression animal's animals anthropoids apes appear arboreal Barro Colorado Island cage central chacma baboons characteristics chimpanzees color common baboon communication copulation cycle disease displays dominance status ecology estrous feeding field study foraging forest free-ranging frequently fruit geladas gibbons glands Gombe gorilla grooming Group composition habitat hamadryas hamadryas baboons Harlow hectares hierarchy home range hormones howler monkeys howling human infant infection interactions Japanese macaques juveniles laboratory langurs leader male lemurs lifeways meters mother move movements nonhuman primates observer occur offspring Old World olfactory one-male ordinary males Papio particularly patas monkey pattern percent plants play population predation primate behavior primates primatologists prosimians records relationships reproductive response rhesus monkeys role savanna sexual dimorphism signals sleeping social behavior social organization species spider monkeys Struhsaker study area subgroups subleaders Tikal tion trees troop variability vervet monkeys vocalizations Washoe