Parkinsonian deficits in sensory integration for postural control: temporal response to changes in visual input.
Identifieur interne : 002723 ( Main/Exploration ); précédent : 002722; suivant : 002724Parkinsonian deficits in sensory integration for postural control: temporal response to changes in visual input.
Auteurs : Lesley A. Brown [Canada] ; Stephanie A. Cooper ; Jon B. Doan ; D Clark Dickin ; Ian Q. Whishaw ; Sergio M. Pellis ; Oksana SuchowerskySource :
- Parkinsonism & related disorders [ 1353-8020 ] ; 2006.
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Antiparkinson Agents (therapeutic use), Biofeedback, Psychology (physiology), Biomechanical Phenomena, Cues, Female, Humans, Male, Middle Aged, Parkinson Disease (physiopathology), Photic Stimulation, Posture (physiology), Sensation (physiology), Sensory Deprivation (physiology), Time Factors, Visual Perception (physiology).
- MESH :
- chemical , therapeutic use : Antiparkinson Agents.
- physiology : Biofeedback, Psychology, Posture, Sensation, Sensory Deprivation, Visual Perception.
- physiopathology : Parkinson Disease.
- Aged, Aged, 80 and over, Biomechanical Phenomena, Cues, Female, Humans, Male, Middle Aged, Photic Stimulation, Time Factors.
Abstract
This study investigated the effect of Parkinson's disease (PD) on the time course for postural control following the removal and reinsertion of visual information. Twelve medicated PD patients (PD) and 12 age matched control (CTRL) subjects performed two 45-s quiet standing trials, during which visual feedback was available (0-15s), deprived (15-30s), and then restored (30-45s). The 45s test trial was divided into 5s time bins to compare the time-based effect of sensory reorganization during deprivation and reintegration. Results revealed an increase in Elliptical Sway Area (ESA) following visual deprivation for both groups; this increased ESA remained significantly higher than the baseline level for the duration of the deprivation period among PD patients and returned to baseline the level among CTRL. Despite elevated ESA at the end of visual deprivation among PD patients, neither group showed a change in ESA after visual information was restored. These results indicate a PD-associated deficit with the reorganization of sensory priorities for postural control, and may implicate the basal ganglia as being critical for integration of sensory information for postural control.
DOI: 10.1016/j.parkreldis.2006.03.004
PubMed: 16720099
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Parkinsonian deficits in sensory integration for postural control: temporal response to changes in visual input.</title><author><name sortKey="Brown, Lesley A" sort="Brown, Lesley A" uniqKey="Brown L" first="Lesley A" last="Brown">Lesley A. Brown</name><affiliation wicri:level="1"><nlm:affiliation>Balance Research Laboratory, Department of Kinesiology, University of Lethbridge, Lethbridge, Alberta, Canada T1K 3M4. l.brown@uleth.ca</nlm:affiliation><country>Canada</country><wicri:regionArea>Balance Research Laboratory, Department of Kinesiology, University of Lethbridge, Lethbridge, Alberta</wicri:regionArea><wicri:noRegion>Alberta</wicri:noRegion></affiliation></author><author><name sortKey="Cooper, Stephanie A" sort="Cooper, Stephanie A" uniqKey="Cooper S" first="Stephanie A" last="Cooper">Stephanie A. Cooper</name></author><author><name sortKey="Doan, Jon B" sort="Doan, Jon B" uniqKey="Doan J" first="Jon B" last="Doan">Jon B. Doan</name></author><author><name sortKey="Dickin, D Clark" sort="Dickin, D Clark" uniqKey="Dickin D" first="D Clark" last="Dickin">D Clark Dickin</name></author><author><name sortKey="Whishaw, Ian Q" sort="Whishaw, Ian Q" uniqKey="Whishaw I" first="Ian Q" last="Whishaw">Ian Q. Whishaw</name></author><author><name sortKey="Pellis, Sergio M" sort="Pellis, Sergio M" uniqKey="Pellis S" first="Sergio M" last="Pellis">Sergio M. Pellis</name></author><author><name sortKey="Suchowersky, Oksana" sort="Suchowersky, Oksana" uniqKey="Suchowersky O" first="Oksana" last="Suchowersky">Oksana Suchowersky</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2006">2006</date><idno type="RBID">pubmed:16720099</idno><idno type="pmid">16720099</idno><idno type="doi">10.1016/j.parkreldis.2006.03.004</idno><idno type="wicri:Area/PubMed/Corpus">001149</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001149</idno><idno type="wicri:Area/PubMed/Curation">001149</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">001149</idno><idno type="wicri:Area/PubMed/Checkpoint">001149</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">001149</idno><idno type="wicri:Area/Ncbi/Merge">000644</idno><idno type="wicri:Area/Ncbi/Curation">000644</idno><idno type="wicri:Area/Ncbi/Checkpoint">000644</idno><idno type="wicri:doubleKey">1353-8020:2006:Brown L:parkinsonian:deficits:in</idno><idno type="wicri:Area/Main/Merge">002A01</idno><idno type="wicri:Area/Main/Curation">002723</idno><idno type="wicri:Area/Main/Exploration">002723</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Parkinsonian deficits in sensory integration for postural control: temporal response to changes in visual input.</title><author><name sortKey="Brown, Lesley A" sort="Brown, Lesley A" uniqKey="Brown L" first="Lesley A" last="Brown">Lesley A. Brown</name><affiliation wicri:level="1"><nlm:affiliation>Balance Research Laboratory, Department of Kinesiology, University of Lethbridge, Lethbridge, Alberta, Canada T1K 3M4. l.brown@uleth.ca</nlm:affiliation><country>Canada</country><wicri:regionArea>Balance Research Laboratory, Department of Kinesiology, University of Lethbridge, Lethbridge, Alberta</wicri:regionArea><wicri:noRegion>Alberta</wicri:noRegion></affiliation></author><author><name sortKey="Cooper, Stephanie A" sort="Cooper, Stephanie A" uniqKey="Cooper S" first="Stephanie A" last="Cooper">Stephanie A. Cooper</name></author><author><name sortKey="Doan, Jon B" sort="Doan, Jon B" uniqKey="Doan J" first="Jon B" last="Doan">Jon B. Doan</name></author><author><name sortKey="Dickin, D Clark" sort="Dickin, D Clark" uniqKey="Dickin D" first="D Clark" last="Dickin">D Clark Dickin</name></author><author><name sortKey="Whishaw, Ian Q" sort="Whishaw, Ian Q" uniqKey="Whishaw I" first="Ian Q" last="Whishaw">Ian Q. Whishaw</name></author><author><name sortKey="Pellis, Sergio M" sort="Pellis, Sergio M" uniqKey="Pellis S" first="Sergio M" last="Pellis">Sergio M. Pellis</name></author><author><name sortKey="Suchowersky, Oksana" sort="Suchowersky, Oksana" uniqKey="Suchowersky O" first="Oksana" last="Suchowersky">Oksana Suchowersky</name></author></analytic><series><title level="j">Parkinsonism & related disorders</title><idno type="ISSN">1353-8020</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Antiparkinson Agents (therapeutic use)</term><term>Biofeedback, Psychology (physiology)</term><term>Biomechanical Phenomena</term><term>Cues</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Parkinson Disease (physiopathology)</term><term>Photic Stimulation</term><term>Posture (physiology)</term><term>Sensation (physiology)</term><term>Sensory Deprivation (physiology)</term><term>Time Factors</term><term>Visual Perception (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="therapeutic use" xml:lang="en"><term>Antiparkinson Agents</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Biofeedback, Psychology</term><term>Posture</term><term>Sensation</term><term>Sensory Deprivation</term><term>Visual Perception</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Biomechanical Phenomena</term><term>Cues</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Photic Stimulation</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study investigated the effect of Parkinson's disease (PD) on the time course for postural control following the removal and reinsertion of visual information. Twelve medicated PD patients (PD) and 12 age matched control (CTRL) subjects performed two 45-s quiet standing trials, during which visual feedback was available (0-15s), deprived (15-30s), and then restored (30-45s). The 45s test trial was divided into 5s time bins to compare the time-based effect of sensory reorganization during deprivation and reintegration. Results revealed an increase in Elliptical Sway Area (ESA) following visual deprivation for both groups; this increased ESA remained significantly higher than the baseline level for the duration of the deprivation period among PD patients and returned to baseline the level among CTRL. Despite elevated ESA at the end of visual deprivation among PD patients, neither group showed a change in ESA after visual information was restored. These results indicate a PD-associated deficit with the reorganization of sensory priorities for postural control, and may implicate the basal ganglia as being critical for integration of sensory information for postural control.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Cooper, Stephanie A" sort="Cooper, Stephanie A" uniqKey="Cooper S" first="Stephanie A" last="Cooper">Stephanie A. Cooper</name><name sortKey="Dickin, D Clark" sort="Dickin, D Clark" uniqKey="Dickin D" first="D Clark" last="Dickin">D Clark Dickin</name><name sortKey="Doan, Jon B" sort="Doan, Jon B" uniqKey="Doan J" first="Jon B" last="Doan">Jon B. Doan</name><name sortKey="Pellis, Sergio M" sort="Pellis, Sergio M" uniqKey="Pellis S" first="Sergio M" last="Pellis">Sergio M. Pellis</name><name sortKey="Suchowersky, Oksana" sort="Suchowersky, Oksana" uniqKey="Suchowersky O" first="Oksana" last="Suchowersky">Oksana Suchowersky</name><name sortKey="Whishaw, Ian Q" sort="Whishaw, Ian Q" uniqKey="Whishaw I" first="Ian Q" last="Whishaw">Ian Q. Whishaw</name></noCountry><country name="Canada"><noRegion><name sortKey="Brown, Lesley A" sort="Brown, Lesley A" uniqKey="Brown L" first="Lesley A" last="Brown">Lesley A. Brown</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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