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Movement deficits for Parkinson's disease patients in select functional behaviours : context opposes sequence and consequence

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dc.contributor.advisor Brown, Lesley
dc.contributor.author Doan, Jonathon Edward Bruce
dc.contributor.author University of Lethbridge. Faculty of Arts and Science
dc.date.accessioned 2007-03-23T16:33:36Z
dc.date.available 2007-03-23T16:33:36Z
dc.date.issued 2006
dc.identifier.uri http://hdl.handle.net/10133/11
dc.description xiv, 186 leaves ; 29 cm. en
dc.description.abstract Contextual influence on movement was examined for a selection of everyday activities. Non-medicated and medicated Parkinson's disease (PD) patients and control subjects reached for a drinking glass target from both seated and standing postures, and stepped over a surface-level obstacle while walking on a constrained path. Contextual challenge was increased in the seated reach by filling the glass with water, in the standing reach by increasing the depth of the gap between the target and stationary foot position, and in the obstacle negotiation trials by raising the gait path surface above the floor level. In all cases, behaviour among PD patients was uniquely disrupted by contextual challenge. In addition, benefits of conventional medication therapy for PD patients were limited in challenging contexts. The results suggest an adapted movement control mechanism at work in PD patients, with the neural resources used in this adapted response prone for interference during contextual challenges. en
dc.language.iso en_US en
dc.publisher Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2006 en
dc.relation.ispartofseries Thesis (University of Lethbridge. Faculty of Arts and Science) en
dc.subject Parkinson's disease -- Research en
dc.subject Human beings -- Attitude and movement -- Research en
dc.subject Dissertations, Academic en
dc.title Movement deficits for Parkinson's disease patients in select functional behaviours : context opposes sequence and consequence en
dc.type Thesis en
dc.publisher.faculty Arts and Science
dc.publisher.department Department of Kinesiology and Physical Education
dc.degree.level Doctor of Philosophy
dc.degree.discipline Kinesiology
dc.organization University of Lethbridge
dc.librarysymbol ALU
dc.degree.field Arts and Science
dc.degree.subfield Social Sciences


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