ParkinsonCanadaV1, PascalFrancis, Checkpoint, bibRecord, 000764

The effect of Parkinson's disease on the control of multi-segmental coordination

Identifieur interne : 000764 ( PascalFrancis/Checkpoint ); précédent : 000763; suivant : 000765

The effect of Parkinson's disease on the control of multi-segmental coordination

Auteurs : Christopher P. Bertram [Canada] ; Martin Lemay [Canada] ; George E. Stelmach [États-Unis]

Source :

Brain and cognition : (Print) [ 0278-2626 ] ; 2005.

RBID : Pascal:05-0119947

Descripteurs français

Pascal (Inist)
- Parkinson maladie, Contrôle moteur, Coordination musculaire, Préhension, Cognition, Homme, Personne âgée, Coordination.
Wicri :
- topic : Homme, Personne âgée.

English descriptors

KwdEn :
- Cognition, Coordination, Elderly, Gripping, Human, Motor control, Muscular coordination, Parkinson disease.

Abstract

An experiment was designed to test whether or not Parkinson's disease (PD) patients were able to maintain endpoint kinematic patterns in a prehension task involving movement of the torso. Nine PD patients and nine healthy controls were asked to reach for and grasp a full cup of water that was either covered or uncovered and placed beyond the reach of the outstretched arm. An OPTOTRAK (Northern Digital) 3-dimensional motion analysis system was used to capture the movement of four markers placed on the arm, hand, and torso. The results indicated the Parkinson's patients had a decreased ability to maintain the kinematics of the end effector. The PD patients were also found to be impaired in terms of their ability to synchronize the arm, hand, and torso. More specifically, although the elderly controls seemed to employ a strategy of increasing the involvement of the torso when reaching to grasp the uncovered cup, no such strategy was observed in the PD patients. Collectively, the results suggest that the multi-joint synergies observed in the elderly controls, which help preserve relatively consistent endpoint trajectories, are disrupted in Parkinson's patients.

Affiliations:

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to stream PascalFrancis, to step Corpus: 000931
to stream PascalFrancis, to step Curation: 000392

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Pascal:05-0119947

Le document en format XML

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<author><name sortKey="Lemay, Martin" sort="Lemay, Martin" uniqKey="Lemay M" first="Martin" last="Lemay">Martin Lemay</name>
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<front><div type="abstract" xml:lang="en">An experiment was designed to test whether or not Parkinson's disease (PD) patients were able to maintain endpoint kinematic patterns in a prehension task involving movement of the torso. Nine PD patients and nine healthy controls were asked to reach for and grasp a full cup of water that was either covered or uncovered and placed beyond the reach of the outstretched arm. An OPTOTRAK (Northern Digital) 3-dimensional motion analysis system was used to capture the movement of four markers placed on the arm, hand, and torso. The results indicated the Parkinson's patients had a decreased ability to maintain the kinematics of the end effector. The PD patients were also found to be impaired in terms of their ability to synchronize the arm, hand, and torso. More specifically, although the elderly controls seemed to employ a strategy of increasing the involvement of the torso when reaching to grasp the uncovered cup, no such strategy was observed in the PD patients. Collectively, the results suggest that the multi-joint synergies observed in the elderly controls, which help preserve relatively consistent endpoint trajectories, are disrupted in Parkinson's patients.</div>
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{{Explor lien
   |wiki=    Wicri/Canada
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   |type=    RBID
   |clé=     Pascal:05-0119947
   |texte=   The effect of Parkinson's disease on the control of multi-segmental coordination
}}

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	La maladie de Parkinson au Canada (serveur d'exploration)
	Attention, ce site est en cours de développement ! Attention, site généré par des moyens informatiques à partir de corpus bruts. Les informations ne sont donc pas validées.

La maladie de Parkinson au Canada (serveur d'exploration)

The effect of Parkinson's disease on the control of multi-segmental coordination

The effect of Parkinson's disease on the control of multi-segmental coordination

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri