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	Author	Terrace, H.S.
	Title	Chunking by a pigeon in a serial learning task			Type	Journal Article
	Year	1987	Publication	Nature	Abbreviated Journal	Nature
	Volume	325	Issue	7000	Pages	149-151
	Keywords	Animals; Cognition/physiology; Columbidae/physiology; Feedback; Learning/*physiology; Male
	Abstract	A basic principle of human memory is that lists that can be organized into memorable 'chunks' are easier to remember. Memory span is limited to a roughly constant number of chunks and is to a large extent independent of the amount of informaton contained in each chunk. Depending on the ingenuity of the code used to integrate discrete items into chunks, one can substantially increase the number of items that can be recalled correctly. Newly developed paradigms for studying memory in non-verbal organisms allow comparison of the abilities of human and non-human subjects to memorize lists. Here I present two types of evidence that pigeons 'chunk' 5-element lists whose components (colours and achromatic geometric forms) are clustered into distinct groups. Those lists were learned twice as rapidly as a homogeneous list of colours or heterogeneous lists in which the elements are not clustered. The pigeons were also tested for knowledge of the order of two elements drawn from the 5-element lists. They responded in the correct order only to those subsets that contained a chunk boundary. Thus chunking can be studied profitably in animal subjects; the cognitive processes that allow an organism to form chunks do no presuppose linguistic competence.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0028-0836	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3808071			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2792
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	Author	Leslie AM
	Title	Pretense and representation in infancy: the origins of theory of mind			Type	Journal Article
	Year	1987	Publication	Psychol. Rev.	Abbreviated Journal
	Volume	94	Issue		Pages	412
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	3014
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	Author	Povinelli DJ
	Title	Monkeys, apes, mirrors and minds: the evolution of self-awareness in primates			Type	Journal Article
	Year	1987	Publication	J. Hum. Evol.	Abbreviated Journal
	Volume	2	Issue		Pages	493
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	3025
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	Author	Tomasello, M.; Davis-Dasilva, M.; Camak, L.; Bard, K.
	Title	Observational learning of tool-use by young chimpanzees			Type	Journal Article
	Year	1987	Publication		Abbreviated Journal	Human Evolution
	Volume	2	Issue	2	Pages	175-183
	Keywords	Chimpanzees; Observational Learning; Tool-Use
	Abstract	In the current study two groups of young chimpanzees (4–6 and 8–9 years old) were given a T-bar and a food item that could only be reached by using the T-bar. Experimental subjects were given the opportunity to observe an adult using the stick as a tool to obtain the food; control subjects were exposed to the adult but were given no demonstration. Subjects in the older group did not learn to use the tool. Subjects in the younger group who were exposed to the demonstrator learned to use the stick as a tool much more readily than those who were not. None of the subjects demonstrated an ability to imitatively copy the demonstrator's precise behavioral strategies. More than simple stimulus enhancement was involved, however, since both groups manipulated the T-bar, but only experimental subjects used it in its function as a tool. Our findings complement naturalistic observations in suggesting that chimpanzee tool-use is in some sense «culturally transmitted» — though perhaps not in the same sense as social-conventional behaviors for which precise copying of conspecifics is crucial.
	Address
	Corporate Author				Thesis
	Publisher	Kluwer Academic Publishers	Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0393-9375	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	5915
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	Author	Illius,A. W.; Gordon, I. J.
	Title	The Allometry of Food Intake in Grazing Ruminants			Type	Journal Article
	Year	1987	Publication	The Journal of Animal Ecology	Abbreviated Journal	T. J. Anim. Ecol.
	Volume	56	Issue	3	Pages	989-999
	Keywords
	Abstract	A simulation model of grazing mechanics in ruminants shows that, due to the allometric relations of bite size and metabolic requirements to body size, small animals are able to subsist on shorter swards than large animals. (2) The density of nutrients in the grazed horizon of the modelled swards markedly affected the ability of animals of a given body size to satisfy their energy requirements. (3) By extension, the allometric relationships would be expected to apply in selective grazing and browsing species in their choice of food items of different size and nutrient content. (4) The results support the argument that sexual segregation and habitat choice of dimorphic species is an effect of scramble competition for limited resources, the males thus being excluded from mutually preferred swards. (5) The model provides an explanation for two interspecific phenomena amongst grazers: grazing succession and grazing facilitation.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4265
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	Author	Scheunert, A. Trautmann, A.
	Title	Lehrbuch der Veterinär-Physiologie.			Type	Book Whole
	Year	1987	Publication		Abbreviated Journal
	Volume		Issue		Pages
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	Address
	Corporate Author				Thesis
	Publisher	Parey	Place of Publication	Berlin	Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN	978-3489662167	Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4441
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	Author	Creigier, S.E.
	Title	Trailer problems and solutions			Type	Journal Article
	Year	1987	Publication	Current Therapy in Equine Medicine	Abbreviated Journal
	Volume		Issue		Pages
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	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes	Cited By (since 1996): 1; Export Date: 24 October 2008			Approved	no
	Call Number	Admin @ knut @			Serial	4578
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	Author	Huntingford, F.; Turner, A.
	Title	Animal Conflict			Type	Miscellaneous
	Year	1987	Publication		Abbreviated Journal
	Volume		Issue		Pages
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	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4850
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	Author	Walters, J.R.; Seyfarth, R.M.
	Title	Primate Societies			Type	Miscellaneous
	Year	1987	Publication		Abbreviated Journal
	Volume		Issue		Pages
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	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4858
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	Author	Brown, J.L.
	Title	Helping and Communal Breeding in Birds			Type	Miscellaneous
	Year	1987	Publication		Abbreviated Journal
	Volume		Issue		Pages
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	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4907
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