Unidirectional adaptation in tempo in pairs of chimpanzees during simultaneous tapping movement: an examination under face-to-face setup

Many studies have reported a spontaneous nature to synchronized movement in humans and in non-human primates. However, it is not yet clear whether individuals mutually adapt their movement to each other or whether one individual significantly changes to synchronize with the other. In the current stu...

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Bibliographic Details
Published in:Primates 2016-04, Vol.57 (2), p.181-185
Main Authors: Yu, Lira, Tomonaga, Masaki
Format: Article
Language:English
Subjects:
Acclimatization
Animal behavior
Animal Communication
Animal Ecology
Animals
Behavioral Sciences
Biomedical and Life Sciences
Cues
Ears & hearing
Evolutionary Biology
Eyes & eyesight
Female
Fingers
Japan
Life Sciences
Monkeys & apes
Movement
Original Article
Pan troglodytes
Pan troglodytes - physiology
Sensory perception
Social Behavior
Zoology
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Summary:Many studies have reported a spontaneous nature to synchronized movement in humans and in non-human primates. However, it is not yet clear whether individuals mutually adapt their movement to each other or whether one individual significantly changes to synchronize with the other. In the current study, we examined a directionality of the tempo adaptation to understand an introductive process of interactional synchrony in pairs of chimpanzees. Four pairs, consisting of five female chimpanzees, produced a finger-tapping movement under a face-to-face experimental setup where both auditory and visual cues of the partner’s movement were available. Two test conditions were prepared: alone and paired. An analysis of the tapping tempo depending on condition showed that only one chimpanzee in each pair significantly changed their tapping tempo in the direction of the partner’s tapping tempo in the paired condition compared with the alone condition. The current study demonstrated that unidirectional adaptation in tempo occurs in pairs of chimpanzees when they simultaneously produce the tapping movement under auditory and visual interaction.
ISSN:0032-8332
1610-7365
DOI:10.1007/s10329-016-0512-8