EMG–EMG coherence in writer's cramp
Identifieur interne : 004489 ( Main/Exploration ); précédent : 004488; suivant : 004490EMG–EMG coherence in writer's cramp
Auteurs : Carla Cordivari [Royaume-Uni] ; Andrew Lees (neurologue) [Royaume-Uni] ; V. Peter Misra [Royaume-Uni] ; Peter Brown [Royaume-Uni]Source :
- Movement Disorders [ 0885-3185 ] ; 2002-09.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Adult, Coherence, Dystonic Disorders (diagnosis), Dystonic Disorders (physiopathology), Electromyography, Electromyography (methods), Exploration, Female, Hand (innervation), Hand (physiopathology), Human, Humans, Male, Middle Aged, Motor Cortex (physiopathology), Muscle, Skeletal (innervation), Muscle, Skeletal (physiopathology), Neural Conduction (physiology), Writer cramp, coherence, focal dystonia, writer's cramp.
- MESH :
- diagnosis : Dystonic Disorders.
- innervation : Hand, Muscle, Skeletal.
- methods : Electromyography.
- physiology : Neural Conduction.
- physiopathology : Dystonic Disorders, Hand, Motor Cortex, Muscle, Skeletal.
- Adult, Female, Humans, Male, Middle Aged.
Abstract
We investigated the extent to which oscillatory drives to muscle, believed to arise mainly from the motor cortex, are exaggerated and/or fail to react normally to peripheral stimulation in writer's cramp. We used the coherence between active forearm flexor and intrinsic hand muscles as our index of such drives before and after digital nerve stimulation of the dominant hand. The results in 8 patients with writer's cramp were compared with those in eight age‐ and sex‐matched healthy subjects. We found no significant difference in either the strength of intermuscular coherence or its modulation by cutaneous stimulation between patients and healthy subjects during voluntary flexion of the wrist and extension–abduction of the fingers. Therefore, we were unable to provide evidence for a pervasive disturbance of oscillatory cortical motor outflow in writer's cramp. © 2002 Movement Disorder Society
Url:
DOI: 10.1002/mds.10212
Affiliations:
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Le document en format XML
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Peter" last="Misra">V. Peter Misra</name><affiliation wicri:level="3"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Department of Clinical Neurophysiology, The National Hospital for Neurology and Neurosurgery, London</wicri:regionArea><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Brown, Peter" sort="Brown, Peter" uniqKey="Brown P" first="Peter" last="Brown">Peter Brown</name><affiliation wicri:level="3"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Sobell Department of Neurophysiology, Institute of Neurology, London</wicri:regionArea><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Movement Disorders</title><title level="j" type="sub">Official Journal of the Movement Disorder Society</title><title level="j" type="abbrev">Mov. Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>New York</pubPlace><date type="published" when="2002-09">2002-09</date><biblScope unit="vol">17</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="1011">1011</biblScope><biblScope unit="page" to="1016">1016</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">B5B9634A83657BFDE42392362F1B640C5F46B488</idno><idno type="DOI">10.1002/mds.10212</idno><idno type="ArticleID">MDS10212</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Coherence</term><term>Dystonic Disorders (diagnosis)</term><term>Dystonic Disorders (physiopathology)</term><term>Electromyography</term><term>Electromyography (methods)</term><term>Exploration</term><term>Female</term><term>Hand (innervation)</term><term>Hand (physiopathology)</term><term>Human</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Motor Cortex (physiopathology)</term><term>Muscle, Skeletal (innervation)</term><term>Muscle, Skeletal (physiopathology)</term><term>Neural Conduction (physiology)</term><term>Writer cramp</term><term>coherence</term><term>focal dystonia</term><term>writer's cramp</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Dystonic Disorders</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Hand</term><term>Muscle, Skeletal</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Electromyography</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Neural Conduction</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Dystonic Disorders</term><term>Hand</term><term>Motor Cortex</term><term>Muscle, Skeletal</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Cohérence</term><term>Crampe écrivain</term><term>Electromyographie</term><term>Exploration</term><term>Homme</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated the extent to which oscillatory drives to muscle, believed to arise mainly from the motor cortex, are exaggerated and/or fail to react normally to peripheral stimulation in writer's cramp. We used the coherence between active forearm flexor and intrinsic hand muscles as our index of such drives before and after digital nerve stimulation of the dominant hand. The results in 8 patients with writer's cramp were compared with those in eight age‐ and sex‐matched healthy subjects. We found no significant difference in either the strength of intermuscular coherence or its modulation by cutaneous stimulation between patients and healthy subjects during voluntary flexion of the wrist and extension–abduction of the fingers. Therefore, we were unable to provide evidence for a pervasive disturbance of oscillatory cortical motor outflow in writer's cramp. © 2002 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Grand Londres</li></region><settlement><li>Londres</li></settlement><orgName><li>National Hospital for Neurology and Neurosurgery</li></orgName></list><tree><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Cordivari, Carla" sort="Cordivari, Carla" uniqKey="Cordivari C" first="Carla" last="Cordivari">Carla Cordivari</name></region><name sortKey="Brown, Peter" sort="Brown, Peter" uniqKey="Brown P" first="Peter" last="Brown">Peter Brown</name><name sortKey="Cordivari, Carla" sort="Cordivari, Carla" uniqKey="Cordivari C" first="Carla" last="Cordivari">Carla Cordivari</name><name sortKey="Lees, Andrew J" sort="Lees, Andrew J" uniqKey="Lees A" first="Andrew J." last="Lees">Andrew Lees (neurologue)</name><name sortKey="Misra, V Peter" sort="Misra, V Peter" uniqKey="Misra V" first="V. Peter" last="Misra">V. Peter Misra</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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