MovDisordV3, PascalFrancis, Corpus, bibRecord, 002A14

Orthostatic tremor arises from an oscillator in the posterior fossa

Identifieur interne : 002A14 ( PascalFrancis/Corpus ); précédent : 002A13; suivant : 002A15

Orthostatic tremor arises from an oscillator in the posterior fossa

Auteurs : Y. R. Wu ; P. Ashby ; A. E. Lang

Source :

Movement disorders [ 0885-3185 ] ; 2001.

RBID : Pascal:01-0335146

Descripteurs français

Pascal (Inist)
- Tremblement, Orthostatisme, Fosse postérieure, Cervelet, Stimulus électrique, Stimulus magnétique, Voie transcrânienne, Electromyographie, Pathogénie, Personne âgée.

English descriptors

KwdEn :
- Cerebellum, Elderly, Electrical stimulus, Electromyography, Magnetic stimulus, Orthostatism, Pathogenesis, Posterior fossa, Transcranial route, Tremor.

Abstract

We tested the hypotheses that orthostatic tremor is generated by a central oscillator and that the tremor is expressed through spinal Ib interneurons. Six patients with orthostatic tremor were examined. The tremor was reset by electrical stimulation over the posterior fossa at intensities that were below the threshold for a motor evoked potential (MEP) but was not reset by transcranial magnetic stimulation over the motor cortex that did produce an MEP. It is argued that the oscillator involves the cerebellum or brainstem. The inhibition of voluntary EMG produced by stimulation over tendons, which has been attributed to effects from Golgi tendon organs (GTO), was not modulated in synchrony with the tremor. We were unable to demonstrate, therefore, that the tremor is expressed through GTO interneurons with this method.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A03		`1`		`@0 Mov. disord.`
A05				`@2 16`
A06				`@2 2`
A08	`01`	`1`	`ENG`	`@1 Orthostatic tremor arises from an oscillator in the posterior fossa`
A11	`01`	`1`		`@1 WU (Y. R.)`
A11	`02`	`1`		`@1 ASHBY (P.)`
A11	`03`	`1`		`@1 LANG (A. E.)`
A14	`01`			`@1 Second Department of Neurology, Chang-Gung Memorial Hospital @2 Taipei @3 TWN @Z 1 aut.`
A14	`02`			`@1 Playfair Neuroscience Unit, Toronto Western Hospital @2 Toronto, Ontario @3 CAN @Z 2 aut. @Z 3 aut.`
A20				`@1 272-279`
A21				`@1 2001`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 20953 @5 354000096545190140`
A44				`@0 0000 @1 © 2001 INIST-CNRS. All rights reserved.`
A45				`@0 23 ref.`
A47	`01`	`1`		`@0 01-0335146`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Movement disorders`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 We tested the hypotheses that orthostatic tremor is generated by a central oscillator and that the tremor is expressed through spinal Ib interneurons. Six patients with orthostatic tremor were examined. The tremor was reset by electrical stimulation over the posterior fossa at intensities that were below the threshold for a motor evoked potential (MEP) but was not reset by transcranial magnetic stimulation over the motor cortex that did produce an MEP. It is argued that the oscillator involves the cerebellum or brainstem. The inhibition of voluntary EMG produced by stimulation over tendons, which has been attributed to effects from Golgi tendon organs (GTO), was not modulated in synchrony with the tremor. We were unable to demonstrate, therefore, that the tremor is expressed through GTO interneurons with this method.
C02	`01`	`X`		`@0 002B17A01`
C02	`02`	`X`		`@0 235`
C03	`01`	`X`	`FRE`	`@0 Tremblement @5 01`
C03	`01`	`X`	`ENG`	`@0 Tremor @5 01`
C03	`01`	`X`	`SPA`	`@0 Temblor @5 01`
C03	`02`	`X`	`FRE`	`@0 Orthostatisme @5 02`
C03	`02`	`X`	`ENG`	`@0 Orthostatism @5 02`
C03	`02`	`X`	`SPA`	`@0 Ortostatismo @5 02`
C03	`03`	`X`	`FRE`	`@0 Fosse postérieure @5 04`
C03	`03`	`X`	`ENG`	`@0 Posterior fossa @5 04`
C03	`03`	`X`	`SPA`	`@0 Fosa posterior @5 04`
C03	`04`	`X`	`FRE`	`@0 Cervelet @5 05`
C03	`04`	`X`	`ENG`	`@0 Cerebellum @5 05`
C03	`04`	`X`	`SPA`	`@0 Cerebelo @5 05`
C03	`05`	`X`	`FRE`	`@0 Stimulus électrique @5 07`
C03	`05`	`X`	`ENG`	`@0 Electrical stimulus @5 07`
C03	`05`	`X`	`SPA`	`@0 Estímulo eléctrico @5 07`
C03	`06`	`X`	`FRE`	`@0 Stimulus magnétique @5 10`
C03	`06`	`X`	`ENG`	`@0 Magnetic stimulus @5 10`
C03	`06`	`X`	`SPA`	`@0 Estímulo magnético @5 10`
C03	`07`	`X`	`FRE`	`@0 Voie transcrânienne @5 11`
C03	`07`	`X`	`ENG`	`@0 Transcranial route @5 11`
C03	`07`	`X`	`SPA`	`@0 Vía transcraneana @5 11`
C03	`08`	`X`	`FRE`	`@0 Electromyographie @5 13`
C03	`08`	`X`	`ENG`	`@0 Electromyography @5 13`
C03	`08`	`X`	`SPA`	`@0 Electromiografía @5 13`
C03	`09`	`X`	`FRE`	`@0 Pathogénie @5 17`
C03	`09`	`X`	`ENG`	`@0 Pathogenesis @5 17`
C03	`09`	`X`	`SPA`	`@0 Patogenia @5 17`
C03	`10`	`X`	`FRE`	`@0 Personne âgée @5 20`
C03	`10`	`X`	`ENG`	`@0 Elderly @5 20`
C03	`10`	`X`	`SPA`	`@0 Anciano @5 20`
C07	`01`	`X`	`FRE`	`@0 Homme`
C07	`01`	`X`	`ENG`	`@0 Human`
C07	`01`	`X`	`SPA`	`@0 Hombre`
C07	`02`	`X`	`FRE`	`@0 Système nerveux pathologie @5 37`
C07	`02`	`X`	`ENG`	`@0 Nervous system diseases @5 37`
C07	`02`	`X`	`SPA`	`@0 Sistema nervioso patología @5 37`
C07	`03`	`X`	`FRE`	`@0 Trouble neurologique @5 38`
C07	`03`	`X`	`ENG`	`@0 Neurological disorder @5 38`
C07	`03`	`X`	`SPA`	`@0 Trastorno neurológico @5 38`
C07	`04`	`X`	`FRE`	`@0 Mouvement involontaire @5 39`
C07	`04`	`X`	`ENG`	`@0 Involuntary movement @5 39`
C07	`04`	`X`	`SPA`	`@0 Movimiento involuntario @5 39`
C07	`05`	`X`	`FRE`	`@0 Encéphale @5 45`
C07	`05`	`X`	`ENG`	`@0 Brain (vertebrata) @5 45`
C07	`05`	`X`	`SPA`	`@0 Encéfalo @5 45`
C07	`06`	`X`	`FRE`	`@0 Système nerveux central @5 46`
C07	`06`	`X`	`ENG`	`@0 Central nervous system @5 46`
C07	`06`	`X`	`SPA`	`@0 Sistema nervioso central @5 46`
C07	`07`	`X`	`FRE`	`@0 Electrodiagnostic @5 53`
C07	`07`	`X`	`ENG`	`@0 Electrodiagnosis @5 53`
C07	`07`	`X`	`SPA`	`@0 Electrodiagnóstico @5 53`
N21				`@1 232`

Format Inist (serveur)

NO :	PASCAL 01-0335146 INIST
ET :	Orthostatic tremor arises from an oscillator in the posterior fossa
AU :	WU (Y. R.); ASHBY (P.); LANG (A. E.)
AF :	Second Department of Neurology, Chang-Gung Memorial Hospital/Taipei/Taïwan (1 aut.); Playfair Neuroscience Unit, Toronto Western Hospital/Toronto, Ontario/Canada (2 aut., 3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2001; Vol. 16; No. 2; Pp. 272-279; Bibl. 23 ref.
LA :	Anglais
EA :	We tested the hypotheses that orthostatic tremor is generated by a central oscillator and that the tremor is expressed through spinal Ib interneurons. Six patients with orthostatic tremor were examined. The tremor was reset by electrical stimulation over the posterior fossa at intensities that were below the threshold for a motor evoked potential (MEP) but was not reset by transcranial magnetic stimulation over the motor cortex that did produce an MEP. It is argued that the oscillator involves the cerebellum or brainstem. The inhibition of voluntary EMG produced by stimulation over tendons, which has been attributed to effects from Golgi tendon organs (GTO), was not modulated in synchrony with the tremor. We were unable to demonstrate, therefore, that the tremor is expressed through GTO interneurons with this method.
CC :	002B17A01; 235
FD :	Tremblement; Orthostatisme; Fosse postérieure; Cervelet; Stimulus électrique; Stimulus magnétique; Voie transcrânienne; Electromyographie; Pathogénie; Personne âgée
FG :	Homme; Système nerveux pathologie; Trouble neurologique; Mouvement involontaire; Encéphale; Système nerveux central; Electrodiagnostic
ED :	Tremor; Orthostatism; Posterior fossa; Cerebellum; Electrical stimulus; Magnetic stimulus; Transcranial route; Electromyography; Pathogenesis; Elderly
EG :	Human; Nervous system diseases; Neurological disorder; Involuntary movement; Brain (vertebrata); Central nervous system; Electrodiagnosis
SD :	Temblor; Ortostatismo; Fosa posterior; Cerebelo; Estímulo eléctrico; Estímulo magnético; Vía transcraneana; Electromiografía; Patogenia; Anciano
LO :	INIST-20953.354000096545190140
ID :	01-0335146

Links to Exploration step

Pascal:01-0335146

Le document en format XML

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<front><div type="abstract" xml:lang="en">We tested the hypotheses that orthostatic tremor is generated by a central oscillator and that the tremor is expressed through spinal Ib interneurons. Six patients with orthostatic tremor were examined. The tremor was reset by electrical stimulation over the posterior fossa at intensities that were below the threshold for a motor evoked potential (MEP) but was not reset by transcranial magnetic stimulation over the motor cortex that did produce an MEP. It is argued that the oscillator involves the cerebellum or brainstem. The inhibition of voluntary EMG produced by stimulation over tendons, which has been attributed to effects from Golgi tendon organs (GTO), was not modulated in synchrony with the tremor. We were unable to demonstrate, therefore, that the tremor is expressed through GTO interneurons with this method.</div>
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<server><NO>PASCAL 01-0335146 INIST</NO>
<ET>Orthostatic tremor arises from an oscillator in the posterior fossa</ET>
<AU>WU (Y. R.); ASHBY (P.); LANG (A. E.)</AU>
<AF>Second Department of Neurology, Chang-Gung Memorial Hospital/Taipei/Taïwan (1 aut.); Playfair Neuroscience Unit, Toronto Western Hospital/Toronto, Ontario/Canada (2 aut., 3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2001; Vol. 16; No. 2; Pp. 272-279; Bibl. 23 ref.</SO>
<LA>Anglais</LA>
<EA>We tested the hypotheses that orthostatic tremor is generated by a central oscillator and that the tremor is expressed through spinal Ib interneurons. Six patients with orthostatic tremor were examined. The tremor was reset by electrical stimulation over the posterior fossa at intensities that were below the threshold for a motor evoked potential (MEP) but was not reset by transcranial magnetic stimulation over the motor cortex that did produce an MEP. It is argued that the oscillator involves the cerebellum or brainstem. The inhibition of voluntary EMG produced by stimulation over tendons, which has been attributed to effects from Golgi tendon organs (GTO), was not modulated in synchrony with the tremor. We were unable to demonstrate, therefore, that the tremor is expressed through GTO interneurons with this method.</EA>
<CC>002B17A01; 235</CC>
<FD>Tremblement; Orthostatisme; Fosse postérieure; Cervelet; Stimulus électrique; Stimulus magnétique; Voie transcrânienne; Electromyographie; Pathogénie; Personne âgée</FD>
<FG>Homme; Système nerveux pathologie; Trouble neurologique; Mouvement involontaire; Encéphale; Système nerveux central; Electrodiagnostic</FG>
<ED>Tremor; Orthostatism; Posterior fossa; Cerebellum; Electrical stimulus; Magnetic stimulus; Transcranial route; Electromyography; Pathogenesis; Elderly</ED>
<EG>Human; Nervous system diseases; Neurological disorder; Involuntary movement; Brain (vertebrata); Central nervous system; Electrodiagnosis</EG>
<SD>Temblor; Ortostatismo; Fosa posterior; Cerebelo; Estímulo eléctrico; Estímulo magnético; Vía transcraneana; Electromiografía; Patogenia; Anciano</SD>
<LO>INIST-20953.354000096545190140</LO>
<ID>01-0335146</ID>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Orthostatic tremor arises from an oscillator in the posterior fossa

Orthostatic tremor arises from an oscillator in the posterior fossa

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