Disruption of spatial organization and interjoint coordination in Parkinson's disease, progressive supranuclear palsy, and multiple system atrophy
Identifieur interne : 001C42 ( Main/Exploration ); précédent : 001C41; suivant : 001C43Disruption of spatial organization and interjoint coordination in Parkinson's disease, progressive supranuclear palsy, and multiple system atrophy
Auteurs : Ram N Leiguarda [Argentine] ; Marcelo Merello [Argentine] ; Jorge Balej [Argentine] ; Sergio Starkstein [Argentine] ; Martín Nogues [Argentine] ; C. David Marsden [Royaume-Uni]Source :
- Movement Disorders [ 0885-3185 ] ; 2000-07.
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- KwdEn :
Abstract
Patients with basal ganglia diseases may exhibit ideomotor apraxia. To define the nature of the impairment of the action production system, we studied a repetitive gesture of slicing bread by three‐dimensional computergraphic analysis in eight nondemented patients with Parkinson's disease in the “on” state, five with progressive supranuclear palsy and four with multiple system atrophy. Two patients with Parkinson's disease and two with progressive supranuclear palsy showed ideomotor apraxia for transitive movements on standard testing. A Selspott II system was used for kinematic analysis of wrist trajectories and angular motions of the shoulder and elbow joints. Patients with Parkinson's disease, progressive supranuclear palsy, and even some with multiple system atrophy exhibited kinematic deficits in the spatial precision of movement and velocity‐curvature relationships; in addition, they failed to maintain proper angle/angle relationships and to apportion their relative joint amplitudes normally. Spatial disruption of wrist trajectories was more severe in patients with ideomotor apraxia. We posit that the basal ganglia are part of the parallel parieto‐frontal circuits devoted to sensorimotor integration for object‐oriented behavior. The severity and characteristics of spatial abnormalities of a transitive movement would therefore depend on the location and distribution of the pathologic process within these circuits.
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DOI: 10.1002/1531-8257(200007)15:4<627::AID-MDS1006>3.0.CO;2-5
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To define the nature of the impairment of the action production system, we studied a repetitive gesture of slicing bread by three‐dimensional computergraphic analysis in eight nondemented patients with Parkinson's disease in the “on” state, five with progressive supranuclear palsy and four with multiple system atrophy. Two patients with Parkinson's disease and two with progressive supranuclear palsy showed ideomotor apraxia for transitive movements on standard testing. A Selspott II system was used for kinematic analysis of wrist trajectories and angular motions of the shoulder and elbow joints. Patients with Parkinson's disease, progressive supranuclear palsy, and even some with multiple system atrophy exhibited kinematic deficits in the spatial precision of movement and velocity‐curvature relationships; in addition, they failed to maintain proper angle/angle relationships and to apportion their relative joint amplitudes normally. Spatial disruption of wrist trajectories was more severe in patients with ideomotor apraxia. We posit that the basal ganglia are part of the parallel parieto‐frontal circuits devoted to sensorimotor integration for object‐oriented behavior. The severity and characteristics of spatial abnormalities of a transitive movement would therefore depend on the location and distribution of the pathologic process within these circuits.</div></front></TEI><affiliations><list><country><li>Argentine</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Grand Londres</li></region><settlement><li>Londres</li></settlement></list><tree><country name="Argentine"><noRegion><name sortKey="Leiguarda, Ram N" sort="Leiguarda, Ram N" uniqKey="Leiguarda R" first="Ram N" last="Leiguarda">Ram N Leiguarda</name></noRegion><name sortKey="Balej, Jorge" sort="Balej, Jorge" uniqKey="Balej J" first="Jorge" last="Balej">Jorge Balej</name><name sortKey="Merello, Marcelo" sort="Merello, Marcelo" uniqKey="Merello M" first="Marcelo" last="Merello">Marcelo Merello</name><name sortKey="Nogues, Martin" sort="Nogues, Martin" uniqKey="Nogues M" first="Martín" last="Nogues">Martín Nogues</name><name sortKey="Starkstein, Sergio" sort="Starkstein, Sergio" uniqKey="Starkstein S" first="Sergio" last="Starkstein">Sergio Starkstein</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Marsden, C David" sort="Marsden, C David" uniqKey="Marsden C" first="C. David" last="Marsden">C. David Marsden</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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