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	Author	Deuel, N.R.; Lawrence, L.M.
	Title	Laterality in the gallop gait of horses			Type	Journal Article
	Year	1987	Publication	Journal of biomechanics	Abbreviated Journal	J Biomech
	Volume	20	Issue	6	Pages	645-649
	Keywords	Animals; Functional Laterality; Gait; Horses/*physiology; Kinesis
	Abstract	Bilateral asymmetry in gallop stride limb contact patterns of four Quarter Horse fillies was documented by high-speed cinematography. Horses were filmed with rider by two cameras simultaneously while galloping along a straightaway. Even though signaled for each gallop lead an equivalent number of times, horses frequently switched leads, selecting the left lead nearly twice as often as the right. Velocities and stride lengths were greater for the left lead than the right, but stride frequencies did not differ between leads. Velocity effects were partitioned out in limb contact data analysis to enable the determination of persistent gallop stride asymmetries. The contact duration for the trailing (right) fore limb on the left lead exceeded the contact duration for the trailing (left) fore limb on the right lead. Selecting the right fore limb as the trailing fore limb may have allowed horses to use it to withstand the greater stresses and caused them to preferentially gallop with the left fore limb leading. Laterality may have an important influence on equine gallop motion patterns and thereby influence athletic performance.
	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	0021-9290	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3611140			Approved	no
	Call Number	refbase @ user @			Serial	528
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	Author	Hildebrand, M.
	Title	The Mechanics of Horse Legs			Type	Journal Article
	Year	1987	Publication	American Scientist	Abbreviated Journal	Amer. Sci.
	Volume	75	Issue	6	Pages	594-601
	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	2301
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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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