Interaction between eye and hand movements in multiple sclerosis patients with intention tremor.
Identifieur interne : 001161 ( Ncbi/Curation ); précédent : 001160; suivant : 001162Interaction between eye and hand movements in multiple sclerosis patients with intention tremor.
Auteurs : Peter Feys [Belgique] ; Werner F. Helsen ; Xuguang Liu ; Bart Nuttin ; Ann Lavrysen ; Stephan P. Swinnen ; Pierre KetelaerSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2005.
English descriptors
- KwdEn :
- MESH :
- innervation : Wrist.
- physiology : Eye Movements, Movement, Psychomotor Performance.
- physiopathology : Multiple Sclerosis, Tremor, Wrist.
- Adult, Aged, Female, Functional Laterality, Humans, Magnetic Resonance Imaging, Male, Middle Aged.
Abstract
Deficient eye and hand movements are present in patients with multiple sclerosis. In the present study, eye and hand movements were simultaneously measured during visually guided wrist step-tracking tasks in 16 patients with intention tremor and 15 healthy controls. The coupling between eye and hand movements was analyzed during simultaneous eye-hand tracking, and interactions were studied by comparing the coordinated eye-hand condition with isolated eye- or hand-tracking conditions. Despite movement abnormalities, the onset of eye and hand movements was highly correlated and an invariant coupling between the saccadic completion time and hand peak velocity was found, suggesting that the temporal coupling was very much preserved. The differences between the experimental tracking conditions suggest that, in MS patients with intention tremor, the ocular system influenced the hand movements. Intention tremor amplitude was reduced when there was no preceding saccadic eye movement, whereas conversely, eye movements were not affected by different hand tremor severity.
DOI: 10.1002/mds.20382
PubMed: 15719434
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Interaction between eye and hand movements in multiple sclerosis patients with intention tremor.</title><author><name sortKey="Feys, Peter" sort="Feys, Peter" uniqKey="Feys P" first="Peter" last="Feys">Peter Feys</name><affiliation wicri:level="1"><nlm:affiliation>Department of Kinesiology, Motor Learning Laboratory, Katholieke Universiteit Leuven, Tervuursevest 101, B-3001 Leuven, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Department of Kinesiology, Motor Learning Laboratory, Katholieke Universiteit Leuven, Tervuursevest 101, B-3001 Leuven</wicri:regionArea><wicri:noRegion>B-3001 Leuven</wicri:noRegion></affiliation></author><author><name sortKey="Helsen, Werner F" sort="Helsen, Werner F" uniqKey="Helsen W" first="Werner F" last="Helsen">Werner F. Helsen</name></author><author><name sortKey="Liu, Xuguang" sort="Liu, Xuguang" uniqKey="Liu X" first="Xuguang" last="Liu">Xuguang Liu</name></author><author><name sortKey="Nuttin, Bart" sort="Nuttin, Bart" uniqKey="Nuttin B" first="Bart" last="Nuttin">Bart Nuttin</name></author><author><name sortKey="Lavrysen, Ann" sort="Lavrysen, Ann" uniqKey="Lavrysen A" first="Ann" last="Lavrysen">Ann Lavrysen</name></author><author><name sortKey="Swinnen, Stephan P" sort="Swinnen, Stephan P" uniqKey="Swinnen S" first="Stephan P" last="Swinnen">Stephan P. Swinnen</name></author><author><name sortKey="Ketelaer, Pierre" sort="Ketelaer, Pierre" uniqKey="Ketelaer P" first="Pierre" last="Ketelaer">Pierre Ketelaer</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="doi">10.1002/mds.20382</idno><idno type="RBID">pubmed:15719434</idno><idno type="pmid">15719434</idno><idno type="wicri:Area/PubMed/Corpus">003140</idno><idno type="wicri:Area/PubMed/Curation">003140</idno><idno type="wicri:Area/PubMed/Checkpoint">003094</idno><idno type="wicri:Area/Ncbi/Merge">001161</idno><idno type="wicri:Area/Ncbi/Curation">001161</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Interaction between eye and hand movements in multiple sclerosis patients with intention tremor.</title><author><name sortKey="Feys, Peter" sort="Feys, Peter" uniqKey="Feys P" first="Peter" last="Feys">Peter Feys</name><affiliation wicri:level="1"><nlm:affiliation>Department of Kinesiology, Motor Learning Laboratory, Katholieke Universiteit Leuven, Tervuursevest 101, B-3001 Leuven, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Department of Kinesiology, Motor Learning Laboratory, Katholieke Universiteit Leuven, Tervuursevest 101, B-3001 Leuven</wicri:regionArea><wicri:noRegion>B-3001 Leuven</wicri:noRegion></affiliation></author><author><name sortKey="Helsen, Werner F" sort="Helsen, Werner F" uniqKey="Helsen W" first="Werner F" last="Helsen">Werner F. Helsen</name></author><author><name sortKey="Liu, Xuguang" sort="Liu, Xuguang" uniqKey="Liu X" first="Xuguang" last="Liu">Xuguang Liu</name></author><author><name sortKey="Nuttin, Bart" sort="Nuttin, Bart" uniqKey="Nuttin B" first="Bart" last="Nuttin">Bart Nuttin</name></author><author><name sortKey="Lavrysen, Ann" sort="Lavrysen, Ann" uniqKey="Lavrysen A" first="Ann" last="Lavrysen">Ann Lavrysen</name></author><author><name sortKey="Swinnen, Stephan P" sort="Swinnen, Stephan P" uniqKey="Swinnen S" first="Stephan P" last="Swinnen">Stephan P. Swinnen</name></author><author><name sortKey="Ketelaer, Pierre" sort="Ketelaer, Pierre" uniqKey="Ketelaer P" first="Pierre" last="Ketelaer">Pierre Ketelaer</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="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Aged</term><term>Eye Movements (physiology)</term><term>Female</term><term>Functional Laterality</term><term>Humans</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Middle Aged</term><term>Movement (physiology)</term><term>Multiple Sclerosis (physiopathology)</term><term>Psychomotor Performance (physiology)</term><term>Tremor (physiopathology)</term><term>Wrist (innervation)</term><term>Wrist (physiopathology)</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Wrist</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Eye Movements</term><term>Movement</term><term>Psychomotor Performance</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Multiple Sclerosis</term><term>Tremor</term><term>Wrist</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Aged</term><term>Female</term><term>Functional Laterality</term><term>Humans</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Middle Aged</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Deficient eye and hand movements are present in patients with multiple sclerosis. In the present study, eye and hand movements were simultaneously measured during visually guided wrist step-tracking tasks in 16 patients with intention tremor and 15 healthy controls. The coupling between eye and hand movements was analyzed during simultaneous eye-hand tracking, and interactions were studied by comparing the coordinated eye-hand condition with isolated eye- or hand-tracking conditions. Despite movement abnormalities, the onset of eye and hand movements was highly correlated and an invariant coupling between the saccadic completion time and hand peak velocity was found, suggesting that the temporal coupling was very much preserved. The differences between the experimental tracking conditions suggest that, in MS patients with intention tremor, the ocular system influenced the hand movements. Intention tremor amplitude was reduced when there was no preceding saccadic eye movement, whereas conversely, eye movements were not affected by different hand tremor severity.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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