MovDisordV3, Main, Exploration, bibRecord, 006042

Cortical mechanisms mediating asterixis

Identifieur interne : 006042 ( Main/Exploration ); précédent : 006041; suivant : 006043

Cortical mechanisms mediating asterixis

Auteurs : J. Artieda [Espagne] ; J. Muruzabal [Espagne] ; R. Larumbe [Espagne] ; C. García De Casasola [Espagne] ; Obeso [Espagne]

Source :

Movement Disorders [ 0885-3185 ] ; 1992.

RBID : ISTEX:033636A2CC89CFEAB8C8BCFEC70A480479DEBB29

Descripteurs français

Pascal (Inist)
- Electrodiagnostic, Etude cas, Exploration, Flapping tremor, Homme.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Asterixis, Brain Mapping (instrumentation), Case study, Cerebral Cortex (physiopathology), Cortical origin, Electrodiagnosis, Electroencephalography (instrumentation), Electromyography (instrumentation), Evoked Potentials, Somatosensory (physiology), Exploration, Female, Flapping tremor, Human, Humans, Kidney Failure, Chronic (physiopathology), Middle Aged, Motor Cortex (physiopathology), Myoclonus, Myoclonus (physiopathology), Neuromuscular Diseases (physiopathology), Posture (physiology), Reaction Time (physiology), Signal Processing, Computer-Assisted (instrumentation), Somatosensory Cortex (physiopathology).
MESH :
- instrumentation : Brain Mapping, Electroencephalography, Electromyography, Signal Processing, Computer-Assisted.
- physiology : Evoked Potentials, Somatosensory, Posture, Reaction Time.
- physiopathology : Cerebral Cortex, Kidney Failure, Chronic, Motor Cortex, Myoclonus, Neuromuscular Diseases, Somatosensory Cortex.
- Female, Humans, Middle Aged.

Abstract

We describe a patient with chronic renal failure who suffered multifocal action‐induced jerks. Electromyography (EMG) recorded the typical silence of asterixis. Back‐averaging the EEG activity preceding the EMG silent periods in the forearm showed a biphasic wave antedating the asterixis by 23 ms. Somatosensory evoked potentials (SEPs) after median nerve stimulation were pathologically enlarged on both hemispheres. Brain‐mapping of the biphasic wave preceding asterixis and the giant SEPs indicated a common origin in the sensorimotor cortex. This observation provides further documentation of a cortical origin for some types of asterixis in humans.

Url:

https://api.istex.fr/document/033636A2CC89CFEAB8C8BCFEC70A480479DEBB29/fulltext/pdf

DOI: 10.1002/mds.870070304

Affiliations:

Espagne

Le document en format XML

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<term>Brain Mapping (instrumentation)</term>
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<term>Cerebral Cortex (physiopathology)</term>
<term>Cortical origin</term>
<term>Electrodiagnosis</term>
<term>Electroencephalography (instrumentation)</term>
<term>Electromyography (instrumentation)</term>
<term>Evoked Potentials, Somatosensory (physiology)</term>
<term>Exploration</term>
<term>Female</term>
<term>Flapping tremor</term>
<term>Human</term>
<term>Humans</term>
<term>Kidney Failure, Chronic (physiopathology)</term>
<term>Middle Aged</term>
<term>Motor Cortex (physiopathology)</term>
<term>Myoclonus</term>
<term>Myoclonus (physiopathology)</term>
<term>Neuromuscular Diseases (physiopathology)</term>
<term>Posture (physiology)</term>
<term>Reaction Time (physiology)</term>
<term>Signal Processing, Computer-Assisted (instrumentation)</term>
<term>Somatosensory Cortex (physiopathology)</term>
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<term>Electroencephalography</term>
<term>Electromyography</term>
<term>Signal Processing, Computer-Assisted</term>
</keywords>
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<term>Posture</term>
<term>Reaction Time</term>
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<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Cerebral Cortex</term>
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<term>Motor Cortex</term>
<term>Myoclonus</term>
<term>Neuromuscular Diseases</term>
<term>Somatosensory Cortex</term>
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<term>Middle Aged</term>
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<term>Etude cas</term>
<term>Exploration</term>
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<front><div type="abstract" xml:lang="en">We describe a patient with chronic renal failure who suffered multifocal action‐induced jerks. Electromyography (EMG) recorded the typical silence of asterixis. Back‐averaging the EEG activity preceding the EMG silent periods in the forearm showed a biphasic wave antedating the asterixis by 23 ms. Somatosensory evoked potentials (SEPs) after median nerve stimulation were pathologically enlarged on both hemispheres. Brain‐mapping of the biphasic wave preceding asterixis and the giant SEPs indicated a common origin in the sensorimotor cortex. This observation provides further documentation of a cortical origin for some types of asterixis in humans.</div>
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Movement Disorders (revue)

Cortical mechanisms mediating asterixis

Cortical mechanisms mediating asterixis

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Movement Disorders (revue)
	Attention, ce site est en cours de développement ! Attention, site généré par des moyens informatiques à partir de corpus bruts. Les informations ne sont donc pas validées.