Attention to combined attention in New World monkeys (Cebus apella, Saimiri sciureus).
James R. Anderson, Hika Kuroshima, Yuko Hattori, Kazuo Fujita
Abstract
James R. Anderson, Hika Kuroshima, Yuko Hattori, Kazuo Fujita
Abstract
Co-orientation by capuchin (Cebus apella) and squirrel (Saimiri sciureus) monkeys in response to familiar humans abruptly switching the direction of their visual attention was recorded. Co-orientation occurred more frequently overall in capuchins than squirrel monkeys. Capuchins showed a tendency to habituate within trials involving consecutive attention switches performed by 2 different people, whereas squirrel monkeys co-oriented more when the 2nd attention switch was by a 2nd actor. These results suggest variable attention-processing abilities in New World monkeys, including differences in summation of attention by others.
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Co-orientation by capuchin (Cebus apella) and squirrel (Saimiri sciureus) monkeys in response to familiar humans abruptly switching the direction of their visual attention was recorded. Co-orientation occurred more frequently overall in capuchins than squirrel monkeys. Capuchins showed a tendency to habituate within trials involving consecutive attention switches performed by 2 different people, whereas squirrel monkeys co-oriented more when the 2nd attention switch was by a 2nd actor. These results suggest variable attention-processing abilities in New World monkeys, including differences in summation of attention by others.
Key concepts: Saimiri sciureus, Squirrel monkey, Cebidae, Primate, Orientation (vector space), Psychology, Communication, Cognitive psychology