MovDisordV3, Main, Curation, bibRecord, 003678

Visual kinesthesia and locomotion in Parkinson's disease

Identifieur interne : 003678 ( Main/Curation ); précédent : 003677; suivant : 003679

Visual kinesthesia and locomotion in Parkinson's disease

Auteurs : Martin Schubert [Allemagne] ; Thomas Prokop [Allemagne] ; Frank Brocke [Allemagne] ; Wiltrud Berger [Allemagne]

Source :

Movement Disorders [ 0885-3185 ] ; 2005-02.

RBID : ISTEX:799A92EF2C961683647FDA1229838311D882D015

Descripteurs français

Pascal (Inist)
- Kinesthésie, Locomotion, Parkinson maladie, Système nerveux pathologie.

English descriptors

KwdEn :
- Adaptation, Psychological, Adult, Age Factors, Aged, Analysis of Variance, Antiparkinson Agents (therapeutic use), Exercise Test (methods), Gait (physiology), Humans, Kinesthesia, Kinesthesis (physiology), Locomotion, Locomotion (physiology), Middle Aged, Motion Perception (physiology), Nervous system diseases, Parkinson Disease (drug therapy), Parkinson Disease (physiopathology), Parkinson disease, Parkinson's disease, Psychomotor Performance (physiology), Reference Values, Time Factors, Walking (physiology), gait, optic flow, sensorimotor integration, visual feedback.
MESH :
- chemical , therapeutic use : Antiparkinson Agents.
- drug therapy : Parkinson Disease.
- methods : Exercise Test.
- physiology : Gait, Kinesthesis, Locomotion, Motion Perception, Psychomotor Performance, Walking.
- physiopathology : Parkinson Disease.
- Adaptation, Psychological, Adult, Age Factors, Aged, Analysis of Variance, Humans, Middle Aged, Reference Values, Time Factors.

Abstract

We investigated predominance of visual control in Parkinson's disease (PD) gait regulation and whether visual kinesthesia has systematic effects on gait parameters. Effects of artificial optic flow were studied on walking velocity (WV), stride length (SL), and stride frequency (SF) during treadmill walking in PD patients and young and elderly adults. The independent variable was relative optic flow (rOF), ranging from −1 times (forward flow, i.e., in walking direction) to 3 times WV (backward flow, natural direction). All walkers were influenced similarly by rOF, inducing systematic changes of WV. Backward flow caused a decrease and forward flow an increase of WV. Without effect of rOF, PD patients on average walked at 0.89 meters per second compared to 1.31 meters per second in the age‐matched healthy group. The rOF‐induced mean changes of WV in all PD patients amounted to 0.45 meters per second (50.4%), with 45.1% due to changes in SL and 5.3% to SF. In the age‐matched, rOF‐induced WV changes reached 0.18 meters per second (13.8%), with 10.8% due to SL and 3.2% to SF. Thus, compared to the results of the age‐matched group, effects of rOF in PD patients were stronger, which increased WV to a normal level by normalization of SL. Contrary to the healthy subjects, no attenuation of optic flow effects over time was observed in the PD patients. Predominance of visual control in PD gait is suggested due to deficits in proprioception compensated by visual kinesthesia, causing exaggerated reaction to visual feedback. The results extend beyond earlier findings, generally stating improvement of PD gait by presence of visual feedback but show systematic effects on gait parameters due to reweighting of visual kinesthesia. © 2004 Movement Disorder Society

Url:

https://api.istex.fr/document/799A92EF2C961683647FDA1229838311D882D015/fulltext/pdf

DOI: 10.1002/mds.20281

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ISTEX:799A92EF2C961683647FDA1229838311D882D015

Le document en format XML

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<sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Visual kinesthesia and locomotion in Parkinson's disease</title>
<author><name sortKey="Schubert, Martin" sort="Schubert, Martin" uniqKey="Schubert M" first="Martin" last="Schubert">Martin Schubert</name>
<affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Department of Neurology, University Hospital of Freiburg</wicri:regionArea>
<wicri:noRegion>University Hospital of Freiburg</wicri:noRegion>
<wicri:noRegion>University Hospital of Freiburg</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Prokop, Thomas" sort="Prokop, Thomas" uniqKey="Prokop T" first="Thomas" last="Prokop">Thomas Prokop</name>
<affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Department of Neurosurgery, University Hospital of Freiburg</wicri:regionArea>
<wicri:noRegion>University Hospital of Freiburg</wicri:noRegion>
<wicri:noRegion>University Hospital of Freiburg</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Brocke, Frank" sort="Brocke, Frank" uniqKey="Brocke F" first="Frank" last="Brocke">Frank Brocke</name>
<affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Department of Neurology, University Hospital of Freiburg</wicri:regionArea>
<wicri:noRegion>University Hospital of Freiburg</wicri:noRegion>
<wicri:noRegion>University Hospital of Freiburg</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Berger, Wiltrud" sort="Berger, Wiltrud" uniqKey="Berger W" first="Wiltrud" last="Berger">Wiltrud Berger</name>
<affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Department of Neurology, University Hospital of Freiburg</wicri:regionArea>
<wicri:noRegion>University Hospital of Freiburg</wicri:noRegion>
<wicri:noRegion>University Hospital of Freiburg</wicri:noRegion>
</affiliation>
</author>
</analytic>
<monogr></monogr>
<series><title level="j">Movement Disorders</title>
<title level="j" type="sub">Official Journal of the Movement Disorder Society</title>
<title level="j" type="abbrev">Mov. Disord.</title>
<idno type="ISSN">0885-3185</idno>
<idno type="eISSN">1531-8257</idno>
<imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher>
<pubPlace>Hoboken</pubPlace>
<date type="published" when="2005-02">2005-02</date>
<biblScope unit="vol">20</biblScope>
<biblScope unit="issue">2</biblScope>
<biblScope unit="page" from="141">141</biblScope>
<biblScope unit="page" to="150">150</biblScope>
</imprint>
<idno type="ISSN">0885-3185</idno>
</series>
<idno type="istex">799A92EF2C961683647FDA1229838311D882D015</idno>
<idno type="DOI">10.1002/mds.20281</idno>
<idno type="ArticleID">MDS20281</idno>
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<seriesStmt><idno type="ISSN">0885-3185</idno>
</seriesStmt>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Psychological</term>
<term>Adult</term>
<term>Age Factors</term>
<term>Aged</term>
<term>Analysis of Variance</term>
<term>Antiparkinson Agents (therapeutic use)</term>
<term>Exercise Test (methods)</term>
<term>Gait (physiology)</term>
<term>Humans</term>
<term>Kinesthesis (physiology)</term>
<term>Locomotion (physiology)</term>
<term>Middle Aged</term>
<term>Motion Perception (physiology)</term>
<term>Parkinson Disease (drug therapy)</term>
<term>Parkinson Disease (physiopathology)</term>
<term>Parkinson's disease</term>
<term>Psychomotor Performance (physiology)</term>
<term>Reference Values</term>
<term>Time Factors</term>
<term>Walking (physiology)</term>
<term>gait</term>
<term>optic flow</term>
<term>sensorimotor integration</term>
<term>visual feedback</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="therapeutic use" xml:lang="en"><term>Antiparkinson Agents</term>
</keywords>
<keywords scheme="MESH" qualifier="drug therapy" xml:lang="en"><term>Parkinson Disease</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Exercise Test</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Gait</term>
<term>Kinesthesis</term>
<term>Locomotion</term>
<term>Motion Perception</term>
<term>Psychomotor Performance</term>
<term>Walking</term>
</keywords>
<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinson Disease</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adaptation, Psychological</term>
<term>Adult</term>
<term>Age Factors</term>
<term>Aged</term>
<term>Analysis of Variance</term>
<term>Humans</term>
<term>Middle Aged</term>
<term>Reference Values</term>
<term>Time Factors</term>
</keywords>
</textClass>
<langUsage><language ident="en">en</language>
</langUsage>
</profileDesc>
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<front><div type="abstract" xml:lang="en">We investigated predominance of visual control in Parkinson's disease (PD) gait regulation and whether visual kinesthesia has systematic effects on gait parameters. Effects of artificial optic flow were studied on walking velocity (WV), stride length (SL), and stride frequency (SF) during treadmill walking in PD patients and young and elderly adults. The independent variable was relative optic flow (rOF), ranging from −1 times (forward flow, i.e., in walking direction) to 3 times WV (backward flow, natural direction). All walkers were influenced similarly by rOF, inducing systematic changes of WV. Backward flow caused a decrease and forward flow an increase of WV. Without effect of rOF, PD patients on average walked at 0.89 meters per second compared to 1.31 meters per second in the age‐matched healthy group. The rOF‐induced mean changes of WV in all PD patients amounted to 0.45 meters per second (50.4%), with 45.1% due to changes in SL and 5.3% to SF. In the age‐matched, rOF‐induced WV changes reached 0.18 meters per second (13.8%), with 10.8% due to SL and 3.2% to SF. Thus, compared to the results of the age‐matched group, effects of rOF in PD patients were stronger, which increased WV to a normal level by normalization of SL. Contrary to the healthy subjects, no attenuation of optic flow effects over time was observed in the PD patients. Predominance of visual control in PD gait is suggested due to deficits in proprioception compensated by visual kinesthesia, causing exaggerated reaction to visual feedback. The results extend beyond earlier findings, generally stating improvement of PD gait by presence of visual feedback but show systematic effects on gait parameters due to reweighting of visual kinesthesia. © 2004 Movement Disorder Society</div>
</front>
</TEI>
</ISTEX>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Visual kinesthesia and locomotion in Parkinson's disease

Visual kinesthesia and locomotion in Parkinson's disease

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