Motor imagery of a lateralized sequential task is asymmetrically slowed in hemi-Parkinson's patients.
Identifieur interne : 001630 ( PubMed/Corpus ); précédent : 001629; suivant : 001631Motor imagery of a lateralized sequential task is asymmetrically slowed in hemi-Parkinson's patients.
Auteurs : P. Dominey ; J. Decety ; E. Broussolle ; G. Chazot ; M. JeannerodSource :
- Neuropsychologia [ 0028-3932 ] ; 1995.
English descriptors
- KwdEn :
- Adult, Basal Ganglia (physiology), Female, Fingers (physiology), Functional Laterality (physiology), Humans, Imagination (physiology), Levodopa (therapeutic use), Male, Middle Aged, Neuropsychological Tests, Parkinson Disease (drug therapy), Parkinson Disease (psychology), Psychomotor Performance (physiology), Reaction Time (physiology), Rotation.
- MESH :
- chemical , therapeutic use : Levodopa.
- drug therapy : Parkinson Disease.
- physiology : Basal Ganglia, Fingers, Functional Laterality, Imagination, Psychomotor Performance, Reaction Time.
- psychology : Parkinson Disease.
- Adult, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Rotation.
Abstract
We examined seven right-handed, asymmetrical (right side affected) Parkinson's disease patients and seven age-matched controls in a manual finger sequencing test using left and right hands in vision, no vision, and motor imagery conditions. All patients displayed motor asymmetry, favoring the left hand. They also displayed motor imagery asymmetry, mentally simulating movement more slowly with their right affected hand than with their left hand. Additionally, impairment in mental hand rotation correlated significantly with the imagery asymmetry. These data support two related hypotheses: (a) Motor sequence imagery and execution share common neural structures. (b) The frontostriatal system is among these shared structures.
PubMed: 7675164
Links to Exploration step
pubmed:7675164Le document en format XML
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<author><name sortKey="Dominey, P" sort="Dominey, P" uniqKey="Dominey P" first="P" last="Dominey">P. Dominey</name>
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<author><name sortKey="Decety, J" sort="Decety, J" uniqKey="Decety J" first="J" last="Decety">J. Decety</name>
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<author><name sortKey="Broussolle, E" sort="Broussolle, E" uniqKey="Broussolle E" first="E" last="Broussolle">E. Broussolle</name>
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<author><name sortKey="Chazot, G" sort="Chazot, G" uniqKey="Chazot G" first="G" last="Chazot">G. Chazot</name>
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<author><name sortKey="Jeannerod, M" sort="Jeannerod, M" uniqKey="Jeannerod M" first="M" last="Jeannerod">M. Jeannerod</name>
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<front><div type="abstract" xml:lang="en">We examined seven right-handed, asymmetrical (right side affected) Parkinson's disease patients and seven age-matched controls in a manual finger sequencing test using left and right hands in vision, no vision, and motor imagery conditions. All patients displayed motor asymmetry, favoring the left hand. They also displayed motor imagery asymmetry, mentally simulating movement more slowly with their right affected hand than with their left hand. Additionally, impairment in mental hand rotation correlated significantly with the imagery asymmetry. These data support two related hypotheses: (a) Motor sequence imagery and execution share common neural structures. (b) The frontostriatal system is among these shared structures.</div>
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<Abstract><AbstractText>We examined seven right-handed, asymmetrical (right side affected) Parkinson's disease patients and seven age-matched controls in a manual finger sequencing test using left and right hands in vision, no vision, and motor imagery conditions. All patients displayed motor asymmetry, favoring the left hand. They also displayed motor imagery asymmetry, mentally simulating movement more slowly with their right affected hand than with their left hand. Additionally, impairment in mental hand rotation correlated significantly with the imagery asymmetry. These data support two related hypotheses: (a) Motor sequence imagery and execution share common neural structures. (b) The frontostriatal system is among these shared structures.</AbstractText>
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