Planning and execution of pointing movements in cerebellar patients.
Identifieur interne : 004749 ( Ncbi/Curation ); précédent : 004748; suivant : 004750Planning and execution of pointing movements in cerebellar patients.
Auteurs : B. Bonnefoi-Kyriacou [France] ; E. Trouche ; E. Legallet ; F. VialletSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 1995.
English descriptors
- KwdEn :
- 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.
DOI: 10.1002/mds.870100207
PubMed: 7753059
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pubmed:7753059Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Planning and execution of pointing movements in cerebellar patients.</title><author><name sortKey="Bonnefoi Kyriacou, B" sort="Bonnefoi Kyriacou, B" uniqKey="Bonnefoi Kyriacou B" first="B" last="Bonnefoi-Kyriacou">B. Bonnefoi-Kyriacou</name><affiliation wicri:level="1"><nlm:affiliation>Service de Neurologie, CHG Aix-en-Provence, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Service de Neurologie, CHG Aix-en-Provence</wicri:regionArea><wicri:noRegion>CHG Aix-en-Provence</wicri:noRegion><wicri:noRegion>CHG Aix-en-Provence</wicri:noRegion></affiliation></author><author><name sortKey="Trouche, E" sort="Trouche, E" uniqKey="Trouche E" first="E" last="Trouche">E. Trouche</name></author><author><name sortKey="Legallet, E" sort="Legallet, E" uniqKey="Legallet E" first="E" last="Legallet">E. Legallet</name></author><author><name sortKey="Viallet, F" sort="Viallet, F" uniqKey="Viallet F" first="F" last="Viallet">F. Viallet</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1995">1995</date><idno type="RBID">pubmed:7753059</idno><idno type="pmid">7753059</idno><idno type="doi">10.1002/mds.870100207</idno><idno type="wicri:Area/PubMed/Corpus">004A13</idno><idno type="wicri:Area/PubMed/Curation">004A13</idno><idno type="wicri:Area/PubMed/Checkpoint">004938</idno><idno type="wicri:Area/Ncbi/Merge">004749</idno><idno type="wicri:Area/Ncbi/Curation">004749</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Planning and execution of pointing movements in cerebellar patients.</title><author><name sortKey="Bonnefoi Kyriacou, B" sort="Bonnefoi Kyriacou, B" uniqKey="Bonnefoi Kyriacou B" first="B" last="Bonnefoi-Kyriacou">B. Bonnefoi-Kyriacou</name><affiliation wicri:level="1"><nlm:affiliation>Service de Neurologie, CHG Aix-en-Provence, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Service de Neurologie, CHG Aix-en-Provence</wicri:regionArea><wicri:noRegion>CHG Aix-en-Provence</wicri:noRegion><wicri:noRegion>CHG Aix-en-Provence</wicri:noRegion></affiliation></author><author><name sortKey="Trouche, E" sort="Trouche, E" uniqKey="Trouche E" first="E" last="Trouche">E. Trouche</name></author><author><name sortKey="Legallet, E" sort="Legallet, E" uniqKey="Legallet E" first="E" last="Legallet">E. Legallet</name></author><author><name sortKey="Viallet, F" sort="Viallet, F" uniqKey="Viallet F" first="F" last="Viallet">F. Viallet</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="ISSN">0885-3185</idno><imprint><date when="1995" type="published">1995</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Age Factors</term><term>Ataxia</term><term>Cerebellum</term><term>Female</term><term>Fingers</term><term>Functional Laterality</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Motor Neuron Disease (physiopathology)</term><term>Movement</term><term>Reaction Time</term><term>Sex Factors</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Motor Neuron Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Age Factors</term><term>Ataxia</term><term>Cerebellum</term><term>Female</term><term>Fingers</term><term>Functional Laterality</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Movement</term><term>Reaction Time</term><term>Sex Factors</term></keywords></textClass></profileDesc></teiHeader><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></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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