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The role of cues and the hippocampus in home base behaviour

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dc.contributor.advisor Whishaw, Ian
dc.contributor.author Hines, Dustin J
dc.contributor.author University of Lethbridge. Faculty of Arts and Science
dc.date.accessioned 2008-06-13T17:53:43Z
dc.date.available 2008-06-13T17:53:43Z
dc.date.issued 2004
dc.identifier.uri http://hdl.handle.net/10133/646
dc.description xv, 232 leaves : ill. ; 29 cm. en
dc.description.abstract The thesis examines the ability of animals to construct a home base. The home base is a point in space where animals rear, groom, and circle and is a primary element in organized spatial behaviour (Eilam and Golani 1989). Once animals establish a home base, they make outward trips and stops, and after a series of trips and stops they return again to the home base. The home base behaviour of animals acts as a platform for asking questions about the cognitive organization of an environment. The thesis describes five main findings. Control and hippocampectomized animals use (1) proximal and (2) distal cues to form a home base and organize their behaviour. (3) Control and olfactory bulbectomized animals form home bases in the dark where as hippocampectomized animals are impaired suggesting self-movement but not olfactory cues play a role in home base behaviour. A final set of experiments demonstrated that control and hippocampectomized animals learn the position of (4) proximal and (5) distal cues so that in the cue's absence, animals still form a home base at that position. The demonstration that a central feature of exploratory behaviour, establishing a home base, is preserved in hippocampectomized rats in relation to proximal, distal, and conditioned visual cues - reveals that exploratory behaviour remains organized after hippocampal lesions. The inability of hippocampectomized rats to form a virtual home base in the absence of visual cues is discussed in relation to the idea that the hippocampus contributes to inertial behaviour that may be dependent upon self-movement cues. en
dc.language.iso en_US en
dc.publisher Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2004 en
dc.relation.ispartofseries Thesis (University of Lethbridge. Faculty of Arts and Science) en
dc.subject Dissertations, Academic en
dc.subject Territoriality (Zoology) -- Research en
dc.subject Spatial behavior in animals -- Research en
dc.subject Hippocampus (Brain) -- Physiology -- Research en
dc.subject Rats as laboratory animals en
dc.title The role of cues and the hippocampus in home base behaviour en
dc.type Thesis en
dc.publisher.faculty Faculty of Arts and Science en
dc.publisher.department Department of Neuroscience en


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