Bilaterally coherent tremor resembling enhanced physiological tremor: Report of three cases
Identifieur interne : 004558 ( Main/Exploration ); précédent : 004557; suivant : 004559Bilaterally coherent tremor resembling enhanced physiological tremor: Report of three cases
Auteurs : John D. O'Sullivan [Royaume-Uni] ; John Rothwell [Royaume-Uni] ; Andrew Lees (neurologue) [Royaume-Uni] ; Peter Brown [Royaume-Uni]Source :
- Movement Disorders [ 0885-3185 ] ; 2002-03.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Adult, Bilateral, Case study, Cerebral Cortex (physiopathology), Clinical form, Dominance, Cerebral (physiology), Electroencephalography, Electromyography, Female, Functional Laterality (physiology), Human, Humans, Male, Muscle, Skeletal (innervation), Physiological tremor, Signal Processing, Computer-Assisted, Tremor, Tremor (diagnosis), Tremor (physiopathology), coherence analysis, enhanced physiological tremor, tremor.
- MESH :
- diagnosis : Tremor.
- innervation : Muscle, Skeletal.
- physiology : Dominance, Cerebral, Functional Laterality.
- physiopathology : Cerebral Cortex, Tremor.
- Adult, Electroencephalography, Electromyography, Female, Humans, Male, Signal Processing, Computer-Assisted.
Abstract
The contribution of the central nervous system to tremor pathogenesis is unclear. Poor side‐to‐side coherence in physiological, essential, and parkinsonian tremors suggests distinct bilateral generators. By contrast, significant bilateral coherence demonstrated in orthostatic tremor and in enhanced physiological tremor (EPT) in patients with persistent mirror movements favours single or closely linked bilateral oscillators. We describe three patients (aged 21–37 years) who developed unusual bilateral postural and kinetic tremors at 6–13 Hz resembling EPT. The tremor involved all limbs, and in two cases the face or jaw, in the absence of other significant neurological features. Significant side‐to‐side coherence was demonstrated in each case using cross‐correlation of electromyographic recordings from homologous muscle pairs. We postulate that these unusual tremors originate from a single brainstem source or from bilateral oscillators closely linked at or below this level. © 2002 Movement Disorder Society
Url:
DOI: 10.1002/mds.10097
Affiliations:
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Le document en format XML
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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="2002-03">2002-03</date><biblScope unit="vol">17</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="387">387</biblScope><biblScope unit="page" to="391">391</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">58FAB96D0B00D25D1FDDA28723E722CC4B6A64DE</idno><idno type="DOI">10.1002/mds.10097</idno><idno type="ArticleID">MDS10097</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Bilateral</term><term>Case study</term><term>Cerebral Cortex (physiopathology)</term><term>Clinical form</term><term>Dominance, Cerebral (physiology)</term><term>Electroencephalography</term><term>Electromyography</term><term>Female</term><term>Functional Laterality (physiology)</term><term>Human</term><term>Humans</term><term>Male</term><term>Muscle, Skeletal (innervation)</term><term>Physiological tremor</term><term>Signal Processing, Computer-Assisted</term><term>Tremor</term><term>Tremor (diagnosis)</term><term>Tremor (physiopathology)</term><term>coherence analysis</term><term>enhanced physiological tremor</term><term>tremor</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Muscle, Skeletal</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Dominance, Cerebral</term><term>Functional Laterality</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Cerebral Cortex</term><term>Tremor</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Electroencephalography</term><term>Electromyography</term><term>Female</term><term>Humans</term><term>Male</term><term>Signal Processing, Computer-Assisted</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Bilatéral</term><term>Etude cas</term><term>Forme clinique</term><term>Homme</term><term>Tremblement</term><term>Tremblement physiologique</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">The contribution of the central nervous system to tremor pathogenesis is unclear. Poor side‐to‐side coherence in physiological, essential, and parkinsonian tremors suggests distinct bilateral generators. By contrast, significant bilateral coherence demonstrated in orthostatic tremor and in enhanced physiological tremor (EPT) in patients with persistent mirror movements favours single or closely linked bilateral oscillators. We describe three patients (aged 21–37 years) who developed unusual bilateral postural and kinetic tremors at 6–13 Hz resembling EPT. The tremor involved all limbs, and in two cases the face or jaw, in the absence of other significant neurological features. Significant side‐to‐side coherence was demonstrated in each case using cross‐correlation of electromyographic recordings from homologous muscle pairs. We postulate that these unusual tremors originate from a single brainstem source or from bilateral oscillators closely linked at or below this level. © 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="O Sullivan, John D" sort="O Sullivan, John D" uniqKey="O Sullivan J" first="John D." last="O'Sullivan">John D. O'Sullivan</name></region><name sortKey="Brown, Peter" sort="Brown, Peter" uniqKey="Brown P" first="Peter" last="Brown">Peter Brown</name><name sortKey="Brown, Peter" sort="Brown, Peter" uniqKey="Brown P" first="Peter" last="Brown">Peter Brown</name><name sortKey="Lees, Andrew J" sort="Lees, Andrew J" uniqKey="Lees A" first="Andrew J." last="Lees">Andrew Lees (neurologue)</name><name sortKey="Lees, Andrew J" sort="Lees, Andrew J" uniqKey="Lees A" first="Andrew J." last="Lees">Andrew Lees (neurologue)</name><name sortKey="O Sullivan, John D" sort="O Sullivan, John D" uniqKey="O Sullivan J" first="John D." last="O'Sullivan">John D. O'Sullivan</name><name sortKey="Rothwell, John" sort="Rothwell, John" uniqKey="Rothwell J" first="John" last="Rothwell">John Rothwell</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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