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Author |
Johnson, D.D.P.; Stopka, P.; Knights, S. |
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Title |
Sociology: The puzzle of human cooperation |
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Journal Article |
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Year |
2003 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
421 |
Issue |
6926 |
Pages  |
911-2; discussion 912 |
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Keywords |
Altruism; *Cooperative Behavior; Evolution; Humans; *Models, Biological; Punishment; Reward; Risk |
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Olin Institute for Strategic Studies, Harvard University, Cambridge, Massachusetts 02138, USA. dominic@post.harvard.edu |
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0028-0836 |
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PMID:12606989 |
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no |
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Call Number |
refbase @ user @ |
Serial |
467 |
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Author |
Gilbert, B.K.; Hailman, J.P. |
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Title |
Uncertainty of leadership-rank in fallow deer |
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Journal Article |
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Year |
1966 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
209 |
Issue |
5027 |
Pages |
1041-1042 |
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Keywords |
Animals; Artiodactyla; *Behavior, Animal; Female; *Leadership; Pregnancy |
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0028-0836 |
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PMID:5927524 |
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2057 |
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Author |
Gentner, T.Q.; Fenn, K.M.; Margoliash, D.; Nusbaum, H.C. |
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Title |
Recursive syntactic pattern learning by songbirds |
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Journal Article |
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Year |
2006 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
440 |
Issue |
7088 |
Pages |
1204-1207 |
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Keywords |
Acoustic Stimulation; *Animal Communication; Animals; Auditory Perception/*physiology; Humans; *Language; Learning/*physiology; Linguistics; Models, Neurological; Semantics; Starlings/*physiology; Stochastic Processes |
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Abstract |
Humans regularly produce new utterances that are understood by other members of the same language community. Linguistic theories account for this ability through the use of syntactic rules (or generative grammars) that describe the acceptable structure of utterances. The recursive, hierarchical embedding of language units (for example, words or phrases within shorter sentences) that is part of the ability to construct new utterances minimally requires a 'context-free' grammar that is more complex than the 'finite-state' grammars thought sufficient to specify the structure of all non-human communication signals. Recent hypotheses make the central claim that the capacity for syntactic recursion forms the computational core of a uniquely human language faculty. Here we show that European starlings (Sturnus vulgaris) accurately recognize acoustic patterns defined by a recursive, self-embedding, context-free grammar. They are also able to classify new patterns defined by the grammar and reliably exclude agrammatical patterns. Thus, the capacity to classify sequences from recursive, centre-embedded grammars is not uniquely human. This finding opens a new range of complex syntactic processing mechanisms to physiological investigation. |
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Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois 60637, USA. tgentner@ucsd.edu |
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1476-4687 |
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PMID:16641998 |
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refbase @ user @ |
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353 |
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Author |
Hamilton, W.D. |
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Title |
Selfish and Spiteful Behaviour in an Evolutionary Model |
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Journal Article |
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Year |
1970 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
228 |
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1218-1220 |
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10.1038/2281218a0 |
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Equine Behaviour @ team @ |
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4853 |
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Author |
Goodall J |
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Title |
Tool-using and aimed throwing in a community of free-living chimpanzees |
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Year |
1964 |
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Nature |
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Nature |
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201 |
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1264 |
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Equine Behaviour @ team @ |
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3000 |
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