Motor preparation is more impaired in Parkinson's disease when sensorimotor integration is involved.
Identifieur interne : 000396 ( Ncbi/Merge ); précédent : 000395; suivant : 000397Motor preparation is more impaired in Parkinson's disease when sensorimotor integration is involved.
Auteurs : E. Labyt [France] ; D. Devos ; J-L Bourriez ; F. Cassim ; A. Destée ; J-D Guieu ; L. Defebvre ; P. DerambureSource :
- Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology [ 1388-2457 ] ; 2003.
English descriptors
- KwdEn :
- Adult, Aged, Aged, 80 and over, Cortical Synchronization, Dyskinesias (physiopathology), Electromyography, Female, Fingers, Functional Laterality, Humans, Male, Middle Aged, Motor Neurons (physiology), Movement, Neurons, Afferent (physiology), Parkinson Disease (physiopathology), Psychomotor Performance (physiology), Volition.
- MESH :
- physiology : Motor Neurons, Neurons, Afferent, Psychomotor Performance.
- physiopathology : Dyskinesias, Parkinson Disease.
- Adult, Aged, Aged, 80 and over, Cortical Synchronization, Electromyography, Female, Fingers, Functional Laterality, Humans, Male, Middle Aged, Movement, Volition.
Abstract
This study aimed to investigate changes in spatio-temporal, event-related (de)synchronization (ERD/ERS) patterns recorded with respect to the more akinetic versus the less akinetic side during performance of a visuo-guided targeting movement when compared to an index finger extension.
PubMed: 14652103
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- to stream PubMed, to step Corpus: 001056
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pubmed:14652103Le document en format XML
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<wicri:regionArea>Department of Clinical Neurophysiology, EA2683 MENRT, R. Salengro Hospital, University Medical Center, 59037 Lille Cedex</wicri:regionArea>
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<term>Middle Aged</term>
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<term>Movement</term>
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<front><div type="abstract" xml:lang="en">This study aimed to investigate changes in spatio-temporal, event-related (de)synchronization (ERD/ERS) patterns recorded with respect to the more akinetic versus the less akinetic side during performance of a visuo-guided targeting movement when compared to an index finger extension.</div>
</front>
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<pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">14652103</PMID>
<DateCreated><Year>2003</Year>
<Month>12</Month>
<Day>03</Day>
</DateCreated>
<DateCompleted><Year>2004</Year>
<Month>02</Month>
<Day>06</Day>
</DateCompleted>
<DateRevised><Year>2008</Year>
<Month>09</Month>
<Day>10</Day>
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<Article PubModel="Print"><Journal><ISSN IssnType="Print">1388-2457</ISSN>
<JournalIssue CitedMedium="Print"><Volume>114</Volume>
<Issue>12</Issue>
<PubDate><Year>2003</Year>
<Month>Dec</Month>
</PubDate>
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<Title>Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology</Title>
<ISOAbbreviation>Clin Neurophysiol</ISOAbbreviation>
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<ArticleTitle>Motor preparation is more impaired in Parkinson's disease when sensorimotor integration is involved.</ArticleTitle>
<Pagination><MedlinePgn>2423-33</MedlinePgn>
</Pagination>
<Abstract><AbstractText Label="OBJECTIVE" NlmCategory="OBJECTIVE">This study aimed to investigate changes in spatio-temporal, event-related (de)synchronization (ERD/ERS) patterns recorded with respect to the more akinetic versus the less akinetic side during performance of a visuo-guided targeting movement when compared to an index finger extension.</AbstractText>
<AbstractText Label="METHODS" NlmCategory="METHODS">Twelve de novo parkinsonian patients were recorded. ERD/ERS in mu and beta frequency bands was computed from 21 source derivations.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">When the index finger extension was performed with the less akinetic limb, mu ERD focused over contralateral central region appeared 2 s before movement. With the targeting movement, additional pre-movement mu ERD was observed over the parietal region, as well as earlier ipsilateral mu ERD. When the same movements were performed with the more akinetic limb, we observed delayed mu ERD over contralateral regions, earlier ipsilateral mu ERD and a lack of contralateral parietal mu ERD before the targeting movement. Following index finger extension for the less akinetic limb, a focused contralateral central beta ERS was recorded, increasing and spreading after the targeting movement. In contrast, for the more akinetic limb, beta ERS was dramatically attenuated and remained unchanged after the targeting movement.</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">These results confirm the fact that motor programming is delayed, and provide some insight into what may well be impaired sensorimotor integration in Parkinson's disease.</AbstractText>
</Abstract>
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<AffiliationInfo><Affiliation>Department of Clinical Neurophysiology, EA2683 MENRT, R. Salengro Hospital, University Medical Center, 59037 Lille Cedex, France.</Affiliation>
</AffiliationInfo>
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