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Parkinsonian sensory integration for balance control : time based postural effects of alterations in sensory information

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dc.contributor.advisor Pellis, Sergio
dc.contributor.advisor Whishaw, Ian
dc.contributor.author Cooper, Stephanie A.
dc.contributor.author University of Lethbridge. Faculty of Arts and Science
dc.date.accessioned 2007-05-13T20:30:26Z
dc.date.available 2007-05-13T20:30:26Z
dc.date.issued 2005
dc.identifier.uri http://hdl.handle.net/10133/245
dc.description xii, 81 leaves ; 29 cm. en
dc.description.abstract Changes in postural stability following sensory manipulation were investigated among Parkinson's disease patients and healthy older adults. Sixteen Parkinson's disease patients (PD; mean age 68.2 + 2.7 years) and sixteen older adults (control; mean age 67.6 + 2.6 years) performed quiet standing trials that progressed through baseline, sensory manipulation, and reintegration. Postural control following visual deprivation was assessed following alternate removal and reinsertion of visual information. Postural recovery following sensory incongruence was assessed following the termination of visual, somatosensory, and visuosomatosensory incongruence. PD patients' balance was disrupted following visual deprivation, and was initially disrupted when visual information was returned. PD patients' pstural recovery was comparable to control subjects when sensory incongruence ended. These findings indicate that situations of visual deprivation in particular are initially disruptive for PD patients, and imply initial difficulty for sensory reorganization in these patients. Our results provide insight into environmental situations imposing greater fall risk among the parkinsonian population. en
dc.language.iso en_US en
dc.publisher Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2005 en
dc.relation.ispartofseries Thesis (University of Lethbridge. Faculty of Arts and Science) en
dc.subject Dissertations, Academic en
dc.subject Parkinson's disease -- Research en
dc.subject Equilibrium (Physiology) -- Research en
dc.subject Human beings -- Attitude and movement -- Research en
dc.title Parkinsonian sensory integration for balance control : time based postural effects of alterations in sensory information en
dc.type Thesis en
dc.publisher.faculty Arts and Science
dc.publisher.department Department of Neuroscience

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