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Abramson, J.Z.; Hernández-Lloreda, V.; Call, J.; Colmenares, F. |
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Title |
Experimental evidence for action imitation in killer whales (Orcinus orca) |
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Journal Article |
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Year |
2013 |
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Abbreviated Journal |
Animal Cognition |
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16 |
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1 |
Pages |
11-22 |
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Keywords |
Social learning; Imitation; ‘Do-as-other-does’ test; Animal culture; Killer whales |
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Abstract |
Comparative experimental studies of imitative learning have focused mainly on primates and birds. However, cetaceans are promising candidates to display imitative learning as they have evolved in socioecological settings that have selected for large brains, complex sociality, and coordinated predatory tactics. Here we tested imitative learning in killer whales, Orcinus orca. We used a ‘do-as-other-does’ paradigm in which 3 subjects witnessed a conspecific demonstrator’s performance that included 15 familiar and 4 novel behaviours. The three subjects (1) learned the copy command signal ‘Do that’ very quickly, that is, 20 trials on average; (2) copied 100 % of the demonstrator’s familiar and novel actions; (3) achieved full matches in the first attempt for 8–13 familiar behaviours (out of 15) and for the 2 novel behaviours (out of 2) in one subject; and (4) took no longer than 8 trials to accurately copy any familiar behaviour, and no longer than 16 trials to copy any novel behaviour. This study provides experimental evidence for body imitation, including production imitation, in killer whales that is comparable to that observed in dolphins tested under similar conditions. These findings suggest that imitative learning may underpin some of the group-specific traditions reported in killer whales in the field. |
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Springer-Verlag |
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English |
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1435-9448 |
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no |
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Call Number |
Equine Behaviour @ team @ |
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5695 |
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Author |
Call, J.; Tomasello, M. |
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Title |
Use of social information in the problem solving of orangutans (<em>Pongo pygmaeus</em>) and human children (<em>Homo sapiens</em>) |
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Journal Article |
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Year |
1995 |
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Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
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109 |
Issue |
3 |
Pages |
308-320 |
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Keywords |
cross species imitative learning in problem solving, human 3–4 yr olds vs orangutans |
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Abstract |
Fourteen juvenile and adult orangutans and 24 3- and 4-yr-old children participated in 4 studies on imitative learning in a problem-solving situation. In all studies a simple to operate apparatus was used, but its internal mechanism was hidden from subjects to prevent individual learning. In the 1st study, orangutans observed a human demonstrator perform 1 of 4 actions on the apparatus and obtain a reward; they subsequently showed no signs of imitative learning. Similar results were obtained in a 2nd study in which orangutan demonstrators were used. Similar results were also obtained in a 3rd study in which a human encouraged imitation from an orangutan that had previously been taught to mimic arbitrary human actions. In a 4th study, human 3- and 4-yr-old children learned the task by means of imitation. (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
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US: American Psychological Association |
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1939-2087 (Electronic); 0735-7036 (Print) |
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yes |
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Call Number |
Equine Behaviour @ team @ 1995-42883-001 |
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5448 |
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