Propriospinal myoclonus: Evidence for spinal “pattern” generators in humans
Identifieur interne : 005B09 ( Main/Exploration ); précédent : 005B08; suivant : 005B10Propriospinal myoclonus: Evidence for spinal “pattern” generators in humans
Auteurs : Brown [Royaume-Uni] ; J. C. Rothwell [Royaume-Uni] ; P. D. Thompson [Royaume-Uni] ; C. D. Marsden [Royaume-Uni]Source :
- Movement Disorders [ 0885-3185 ] ; 1994.
English descriptors
- KwdEn :
- Adult, Aged, Electromagnetic Fields, Electromyography, Evoked Potentials (physiology), Female, Humans, Male, Middle Aged, Motor Cortex (physiopathology), Muscles (innervation), Myoclonus (physiopathology), Neurologic Examination, Propriospinal myoclonus, Spinal Cord (physiopathology), Spinal Cord Injuries (physiopathology), Spinal Nerve Roots (physiopathology), Spinal pattern generator, Synaptic Transmission (physiology).
- MESH :
- innervation : Muscles.
- physiology : Evoked Potentials, Synaptic Transmission.
- physiopathology : Motor Cortex, Myoclonus, Spinal Cord, Spinal Cord Injuries, Spinal Nerve Roots.
- Adult, Aged, Electromagnetic Fields, Electromyography, Female, Humans, Male, Middle Aged, Neurologic Examination.
Abstract
The clinical and electrophysiological characteristics of eight patients with propriospinal myoclonus are described. Myoclonus developed within days or weeks of cervical trauma in half the patients. Seven cases had axial flexion jerks, and one axial extension jerks. Myoclonic EMG activity consisted of repetitive bursts with a frequency of 1–7 Hz. The jerks in three of the cases were comprised of alternating and rhythmic bursts of EMG activity in rectus abdominis and the paraspinal muscles. From these new observations, it is proposed that cervical trauma can lead to the partial release of a spinal pattern generator. The latter is capable of recruiting muscles through long propriospinal pathways into complex rhythmic activity.
Url:
DOI: 10.1002/mds.870090511
Affiliations:
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Marsden</name><affiliation wicri:level="3"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>MRC Human Movement and Balance Unit, and University Department of Clinical Neurology, 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></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>Hoboken</pubPlace><date type="published" when="1994">1994</date><biblScope unit="vol">9</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="571">571</biblScope><biblScope unit="page" to="576">576</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">5EC47CE3C6F20C25D2BECEE14F1540F1808C9946</idno><idno type="DOI">10.1002/mds.870090511</idno><idno type="ArticleID">MDS870090511</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Aged</term><term>Electromagnetic Fields</term><term>Electromyography</term><term>Evoked Potentials (physiology)</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Motor Cortex (physiopathology)</term><term>Muscles (innervation)</term><term>Myoclonus (physiopathology)</term><term>Neurologic Examination</term><term>Propriospinal myoclonus</term><term>Spinal Cord (physiopathology)</term><term>Spinal Cord Injuries (physiopathology)</term><term>Spinal Nerve Roots (physiopathology)</term><term>Spinal pattern generator</term><term>Synaptic Transmission (physiology)</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Muscles</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Evoked Potentials</term><term>Synaptic Transmission</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Motor Cortex</term><term>Myoclonus</term><term>Spinal Cord</term><term>Spinal Cord Injuries</term><term>Spinal Nerve Roots</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Aged</term><term>Electromagnetic Fields</term><term>Electromyography</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Neurologic Examination</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The clinical and electrophysiological characteristics of eight patients with propriospinal myoclonus are described. Myoclonus developed within days or weeks of cervical trauma in half the patients. Seven cases had axial flexion jerks, and one axial extension jerks. Myoclonic EMG activity consisted of repetitive bursts with a frequency of 1–7 Hz. The jerks in three of the cases were comprised of alternating and rhythmic bursts of EMG activity in rectus abdominis and the paraspinal muscles. From these new observations, it is proposed that cervical trauma can lead to the partial release of a spinal pattern generator. The latter is capable of recruiting muscles through long propriospinal pathways into complex rhythmic activity.</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></list><tree><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Brown" sort="Brown" uniqKey="Brown" last="Brown">Brown</name></region><name sortKey="Marsden, C D" sort="Marsden, C D" uniqKey="Marsden C" first="C. D." last="Marsden">C. D. Marsden</name><name sortKey="Rothwell, J C" sort="Rothwell, J C" uniqKey="Rothwell J" first="J. C." last="Rothwell">J. C. Rothwell</name><name sortKey="Thompson, P D" sort="Thompson, P D" uniqKey="Thompson P" first="P. D." last="Thompson">P. D. Thompson</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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