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Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: Gaze alternation during “pointing” by squirrel monkeys (Saimiri sciureus)?
Author(s): Anderson, James
Kuwahata, Hiroko
Fujita, Kazuo
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Keywords: animal behaviour
animal cognition
Issue Date: Apr-2007
Citation: Anderson J, Kuwahata H & Fujita K (2007) Gaze alternation during “pointing” by squirrel monkeys (Saimiri sciureus)?, Animal Cognition, 10 (2), pp. 267-271.
Abstract: Gaze alternation (GA) is considered a hallmark of pointing in human infants, a sign of intentionality underlying the gesture. GA has occasionally been observed in great apes, and reported only anecdotally in a few monkeys. Three squirrel monkeys that had previously learned to reach toward out-of-reach food in the presence of a human partner were videotaped while the latter visually attended to the food, a distractor object, or the ceiling. Frame-by-frame video analysis revealed that, especially when reaching toward the food, the monkeys rapidly and repeatedly switched between looking at the partner’s face and the food. This type of GA suggests that the monkeys were communicating with the partner. However, the monkeys’ behavior was not influenced by changes in the partner’s focus of attention.
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