MovDisordV3, France, Analysis, bibRecord, 000609

Planning and execution of pointing movements in cerebellar patients

Identifieur interne : 000609 ( France/Analysis ); précédent : 000608; suivant : 000610

Planning and execution of pointing movements in cerebellar patients

Auteurs : Bonnefoi‐Kyriacou [France] ; Elisabeth Trouche [France] ; Eric Legallet [France] ; François Viallet [France]

Source :

Movement Disorders [ 0885-3185 ] ; 1995-03.

RBID : ISTEX:56678A2EF2DC409A52D065CFC181D0A94596C26F

English descriptors

KwdEn :
- Adult, Age Factors, Ataxia, Cerebellum, Female, Fingers, Functional Laterality, Humans, Male, Middle Aged, Motor Neuron Disease (physiopathology), Movement, Movement time, Planning execution, Pointing surface, Reaction Time, Reaction time, Sex Factors.
MESH :
- physiopathology : Motor Neuron Disease.
- Adult, Age Factors, Ataxia, Cerebellum, Female, Fingers, Functional Laterality, Humans, Male, Middle Aged, Movement, Reaction Time, Sex Factors.

Abstract

Twelve patients with cerebellar dysfunction including a limb ataxia and 12 age‐matched controls performed pointing movements with an arm. In one condition, the task was a simple reaction time (RT) movement directed toward a spatially defined target. The other two conditions involved choice tasks in which the amplitude and direction of movement were varied. The variables recorded were: movement latency determined by measuring the RT, duration of movement and the terminal accuracy of pointing as reflected in the movement time (MT), pointing surfaces (PS), and systematic errors. RTs and MTs were found to be significantly longer in cerebellar patients than in controls. In both groups the choice RT increased significantly as compared to simple RT, but no significant difference between patients and controls was found for the mean increase of the choice RT as compared with the mean increase for simple RT. A strong correlation between MTs and PSs was found in the controls. The cerebellar patients showed no correlation between MTs and PSs. The results are discussed in relation to the ability in cerebellar patients to program and execute voluntary movements.

Url:

https://api.istex.fr/document/56678A2EF2DC409A52D065CFC181D0A94596C26F/fulltext/pdf

DOI: 10.1002/mds.870100207

Affiliations:

Links to Exploration step

ISTEX:56678A2EF2DC409A52D065CFC181D0A94596C26F

Le document en format XML

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<author><name sortKey="Trouche, Elisabeth" sort="Trouche, Elisabeth" uniqKey="Trouche E" first="Elisabeth" last="Trouche">Elisabeth Trouche</name>
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<author><name sortKey="Legallet, Eric" sort="Legallet, Eric" uniqKey="Legallet E" first="Eric" last="Legallet">Eric Legallet</name>
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<author><name sortKey="Viallet, Francois" sort="Viallet, Francois" uniqKey="Viallet F" first="François" last="Viallet">François Viallet</name>
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<term>Pointing surface</term>
<term>Reaction Time</term>
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<front><div type="abstract" xml:lang="en">Twelve patients with cerebellar dysfunction including a limb ataxia and 12 age‐matched controls performed pointing movements with an arm. In one condition, the task was a simple reaction time (RT) movement directed toward a spatially defined target. The other two conditions involved choice tasks in which the amplitude and direction of movement were varied. The variables recorded were: movement latency determined by measuring the RT, duration of movement and the terminal accuracy of pointing as reflected in the movement time (MT), pointing surfaces (PS), and systematic errors. RTs and MTs were found to be significantly longer in cerebellar patients than in controls. In both groups the choice RT increased significantly as compared to simple RT, but no significant difference between patients and controls was found for the mean increase of the choice RT as compared with the mean increase for simple RT. A strong correlation between MTs and PSs was found in the controls. The cerebellar patients showed no correlation between MTs and PSs. The results are discussed in relation to the ability in cerebellar patients to program and execute voluntary movements.</div>
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   |texte=   Planning and execution of pointing movements in cerebellar patients
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Movement Disorders (revue)

Planning and execution of pointing movements in cerebellar patients

Planning and execution of pointing movements in cerebellar patients

Source :

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

	Movement Disorders (revue)
	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.