2013 Fiscal Year Final Research Report
The phylogenetic and ontogenetic origin of imitation: the relationship between spontaneous synchronized phenomenon and social glue
| Project/Area Number |
23500330
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Cognitive science
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| Research Institution | Kyushu University |
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Principal Investigator |
KOBAYASHI Hiromi 九州大学, 人間・環境学研究科(研究院), 学術協力研究員 (30464390)
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| Co-Investigator(Kenkyū-buntansha) |
HASHIYA Kazuhide 九州大学, 人間環境学研究院, 准教授 (20324593)
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| Project Period (FY) |
2011 – 2013
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| Keywords | 同調 / 自発的模倣 / 社会的結合 / チンパンジー |
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| Research Abstract |
Humans tend to synchronize behaviors with the partner for interaction, resulting in functioning to form social bonding. However, there is little report that non-human primates synchronize behaviors spontaneously with the other individual. We examined if similar tendency of spontaneous synchronization of actions with others can be observed in a chimpanzee. The experimenter faced with subject through a cage interacted with him. After the warm-up period, experimenter initiated jumping or swinging repeatedly, popular behavioral repertoires for subject, when subject did not do so. In addition, experimenter inserted a violation of the rhythm on the purpose of observing subject's reaction in the course of synchronized jumping or swinging. The analysis of the video recording suggested that the chimpanzee spontaneously imitated action of experimenter, regulated the pace of action, adjusting the action of the human, and he expressed positive facial expression during synchronization.
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