MovDisordV3, Main, Exploration, bibRecord, 003386

Impaired rhythm generation in essential tremor

Identifieur interne : 003386 ( Main/Exploration ); précédent : 003385; suivant : 003387

Impaired rhythm generation in essential tremor

Auteurs : Zsuzsanna Farkas [Hongrie] ; Imre Szirmai [Hongrie] ; Anita Kamondi [Hongrie]

Source :

Movement Disorders [ 0885-3185 ] ; 2006-08.

RBID : ISTEX:387A18B1AC37BB04A125BCBD71C3BFF71A5CC047

Descripteurs français

Pascal (Inist)
- Cervelet, Doigt, Système nerveux pathologie, Taraudage, Timing, Tremblement.

English descriptors

KwdEn :
- Adult, Aged, Aged, 80 and over, Cerebellum, Essential Tremor (physiopathology), Finger, Fingers, Functional Laterality, Head Movements, Humans, Middle Aged, Motor Activity (physiology), Movement (physiology), Nervous system diseases, Periodicity, Reference Values, Severity of Illness Index, Tapping, Timing, Tremor, cerebellum, essential tremor, event‐based timing, finger tapping.
MESH :
- physiology : Motor Activity, Movement.
- physiopathology : Essential Tremor.
- Adult, Aged, Aged, 80 and over, Fingers, Functional Laterality, Head Movements, Humans, Middle Aged, Periodicity, Reference Values, Severity of Illness Index.

Abstract

It has been suggested that the cerebellum plays a role in the event‐based timing of synchronized repetitive movements. We hypothesized that regularity of rhythmic movements in essential tremor (ET) is impaired, since several lines of evidence suggest the involvement of the cerebellum in the pathomechanism of ET. To test this assumption, we examined the regularity and the maximum frequency of auditory paced repetitive movements at slow and fast stimulus rate in 34 ET patients. Variability of rhythmic finger tapping and alternating hand movements, defined by the standard deviation of movement offset before or after the pacing signal, was significantly higher compared to healthy controls. Timing of rhythmic movements of the two hands was disturbed to the same degree. Our results suggest a severe deficit of event‐based rhythm generation on both sides in ET, supporting the presumed bilateral cerebellar dysfunction in this disorder. © 2006 Movement Disorder Society

Url:

https://api.istex.fr/document/387A18B1AC37BB04A125BCBD71C3BFF71A5CC047/fulltext/pdf

DOI: 10.1002/mds.20934

Affiliations:

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<front><div type="abstract" xml:lang="fr">It has been suggested that the cerebellum plays a role in the event‐based timing of synchronized repetitive movements. We hypothesized that regularity of rhythmic movements in essential tremor (ET) is impaired, since several lines of evidence suggest the involvement of the cerebellum in the pathomechanism of ET. To test this assumption, we examined the regularity and the maximum frequency of auditory paced repetitive movements at slow and fast stimulus rate in 34 ET patients. Variability of rhythmic finger tapping and alternating hand movements, defined by the standard deviation of movement offset before or after the pacing signal, was significantly higher compared to healthy controls. Timing of rhythmic movements of the two hands was disturbed to the same degree. Our results suggest a severe deficit of event‐based rhythm generation on both sides in ET, supporting the presumed bilateral cerebellar dysfunction in this disorder. © 2006 Movement Disorder Society</div>
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Movement Disorders (revue)

Impaired rhythm generation in essential tremor

Impaired rhythm generation in essential tremor

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)
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