MovDisordV3, PascalFrancis, Corpus, bibRecord, 001E17

Characterization of subclinical tremor in Parkinson's disease

Identifieur interne : 001E17 ( PascalFrancis/Corpus ); précédent : 001E16; suivant : 001E18

Characterization of subclinical tremor in Parkinson's disease

Auteurs : Anne Beuter ; Emilie Barbo ; Robert Rigal ; Pierre J. Blanchet

Source :

Movement disorders [ 0885-3185 ] ; 2005.

RBID : Pascal:05-0443834

Descripteurs français

Pascal (Inist)
- Système nerveux pathologie, Tremblement, Parkinson maladie, Asymptomatique, Laser.

English descriptors

KwdEn :
- Asymptomatic, Laser, Nervous system diseases, Parkinson disease, Tremor.

Abstract

The physiological or pathological nature of subclinical tremor amplitude in Parkinson's disease (PD) is not well established. We analyzed characteristics of resting and postural tremors of subclinical amplitude in 17 patients with idiopathic PD without visible resting tremor, having a postural tremor in their least-affected hand rated 0 (12 subjects) or 1 (5 subjects) on Item 21 of the Unified Parkinson's Disease Rating Scale, compared to 17 control subjects matched for age, sex, and handedness. Tremor was recorded at the tip of the index finger using a displacement laser transducer. Overall results show that subclinical resting tremor in PD is significantly different from physiological tremor in terms of amplitude fluctuation, frequency dispersion, harmonic index, and proportional power in 4 to 6 Hz. No significant differences were found for postural tremor. These differences appear to originate mainly from patients with the mixed form of the disease. This study also confirms the preservation of physiological tremor likely originating from a distinct central oscillator in PD. The use of this method in the early and detailed characterization of PD tremors when amplitude is still within normal limits is proposed.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`03`	`1`		`@1 RIGAL (Robert)`
A11	`04`	`1`		`@1 BLANCHET (Pierre J.)`
A14	`01`			`@1 Institut de Cognitique, EA 487, Université de Victor Segalen Bordeaux 2 @2 Bordeaux @3 FRA @Z 1 aut.`
A14	`02`			`@1 Université du Québec à Montréal, Département de Kinanthropologie et Centre de Neuroscience de la Cognition @2 Montréal @3 CAN @Z 2 aut. @Z 3 aut.`
A14	`03`			`@1 Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, and Research Centre, Université de Montréal Hospital Centre (CHUM) @2 Montréal @3 CAN @Z 4 aut.`
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C01	`01`		`ENG`	@0 The physiological or pathological nature of subclinical tremor amplitude in Parkinson's disease (PD) is not well established. We analyzed characteristics of resting and postural tremors of subclinical amplitude in 17 patients with idiopathic PD without visible resting tremor, having a postural tremor in their least-affected hand rated 0 (12 subjects) or 1 (5 subjects) on Item 21 of the Unified Parkinson's Disease Rating Scale, compared to 17 control subjects matched for age, sex, and handedness. Tremor was recorded at the tip of the index finger using a displacement laser transducer. Overall results show that subclinical resting tremor in PD is significantly different from physiological tremor in terms of amplitude fluctuation, frequency dispersion, harmonic index, and proportional power in 4 to 6 Hz. No significant differences were found for postural tremor. These differences appear to originate mainly from patients with the mixed form of the disease. This study also confirms the preservation of physiological tremor likely originating from a distinct central oscillator in PD. The use of this method in the early and detailed characterization of PD tremors when amplitude is still within normal limits is proposed.
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C07	`03`	`X`	`SPA`	`@0 Encéfalo patología @5 39`
C07	`04`	`X`	`FRE`	`@0 Extrapyramidal syndrome @5 40`
C07	`04`	`X`	`ENG`	`@0 Extrapyramidal syndrome @5 40`
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Format Inist (serveur)

NO :	PASCAL 05-0443834 INIST
ET :	Characterization of subclinical tremor in Parkinson's disease
AU :	BEUTER (Anne); BARBO (Emilie); RIGAL (Robert); BLANCHET (Pierre J.)
AF :	Institut de Cognitique, EA 487, Université de Victor Segalen Bordeaux 2/Bordeaux/France (1 aut.); Université du Québec à Montréal, Département de Kinanthropologie et Centre de Neuroscience de la Cognition/Montréal/Canada (2 aut., 3 aut.); Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, and Research Centre, Université de Montréal Hospital Centre (CHUM)/Montréal/Canada (4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2005; Vol. 20; No. 8; Pp. 945-950; Bibl. 18 ref.
LA :	Anglais
EA :	The physiological or pathological nature of subclinical tremor amplitude in Parkinson's disease (PD) is not well established. We analyzed characteristics of resting and postural tremors of subclinical amplitude in 17 patients with idiopathic PD without visible resting tremor, having a postural tremor in their least-affected hand rated 0 (12 subjects) or 1 (5 subjects) on Item 21 of the Unified Parkinson's Disease Rating Scale, compared to 17 control subjects matched for age, sex, and handedness. Tremor was recorded at the tip of the index finger using a displacement laser transducer. Overall results show that subclinical resting tremor in PD is significantly different from physiological tremor in terms of amplitude fluctuation, frequency dispersion, harmonic index, and proportional power in 4 to 6 Hz. No significant differences were found for postural tremor. These differences appear to originate mainly from patients with the mixed form of the disease. This study also confirms the preservation of physiological tremor likely originating from a distinct central oscillator in PD. The use of this method in the early and detailed characterization of PD tremors when amplitude is still within normal limits is proposed.
CC :	002B17; 002B17G; 002B17A03
FD :	Système nerveux pathologie; Tremblement; Parkinson maladie; Asymptomatique; Laser
FG :	Mouvement involontaire; Trouble neurologique; Encéphale pathologie; Extrapyramidal syndrome; Maladie dégénérative; Système nerveux central pathologie
ED :	Nervous system diseases; Tremor; Parkinson disease; Asymptomatic; Laser
EG :	Involuntary movement; Neurological disorder; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease
SD :	Sistema nervioso patología; Temblor; Parkinson enfermedad; Asintomático; Láser
LO :	INIST-20953.354000132711360050
ID :	05-0443834

Links to Exploration step

Pascal:05-0443834

Le document en format XML

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<front><div type="abstract" xml:lang="en">The physiological or pathological nature of subclinical tremor amplitude in Parkinson's disease (PD) is not well established. We analyzed characteristics of resting and postural tremors of subclinical amplitude in 17 patients with idiopathic PD without visible resting tremor, having a postural tremor in their least-affected hand rated 0 (12 subjects) or 1 (5 subjects) on Item 21 of the Unified Parkinson's Disease Rating Scale, compared to 17 control subjects matched for age, sex, and handedness. Tremor was recorded at the tip of the index finger using a displacement laser transducer. Overall results show that subclinical resting tremor in PD is significantly different from physiological tremor in terms of amplitude fluctuation, frequency dispersion, harmonic index, and proportional power in 4 to 6 Hz. No significant differences were found for postural tremor. These differences appear to originate mainly from patients with the mixed form of the disease. This study also confirms the preservation of physiological tremor likely originating from a distinct central oscillator in PD. The use of this method in the early and detailed characterization of PD tremors when amplitude is still within normal limits is proposed.</div>
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<server><NO>PASCAL 05-0443834 INIST</NO>
<ET>Characterization of subclinical tremor in Parkinson's disease</ET>
<AU>BEUTER (Anne); BARBO (Emilie); RIGAL (Robert); BLANCHET (Pierre J.)</AU>
<AF>Institut de Cognitique, EA 487, Université de Victor Segalen Bordeaux 2/Bordeaux/France (1 aut.); Université du Québec à Montréal, Département de Kinanthropologie et Centre de Neuroscience de la Cognition/Montréal/Canada (2 aut., 3 aut.); Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, and Research Centre, Université de Montréal Hospital Centre (CHUM)/Montréal/Canada (4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2005; Vol. 20; No. 8; Pp. 945-950; Bibl. 18 ref.</SO>
<LA>Anglais</LA>
<EA>The physiological or pathological nature of subclinical tremor amplitude in Parkinson's disease (PD) is not well established. We analyzed characteristics of resting and postural tremors of subclinical amplitude in 17 patients with idiopathic PD without visible resting tremor, having a postural tremor in their least-affected hand rated 0 (12 subjects) or 1 (5 subjects) on Item 21 of the Unified Parkinson's Disease Rating Scale, compared to 17 control subjects matched for age, sex, and handedness. Tremor was recorded at the tip of the index finger using a displacement laser transducer. Overall results show that subclinical resting tremor in PD is significantly different from physiological tremor in terms of amplitude fluctuation, frequency dispersion, harmonic index, and proportional power in 4 to 6 Hz. No significant differences were found for postural tremor. These differences appear to originate mainly from patients with the mixed form of the disease. This study also confirms the preservation of physiological tremor likely originating from a distinct central oscillator in PD. The use of this method in the early and detailed characterization of PD tremors when amplitude is still within normal limits is proposed.</EA>
<CC>002B17; 002B17G; 002B17A03</CC>
<FD>Système nerveux pathologie; Tremblement; Parkinson maladie; Asymptomatique; Laser</FD>
<FG>Mouvement involontaire; Trouble neurologique; Encéphale pathologie; Extrapyramidal syndrome; Maladie dégénérative; Système nerveux central pathologie</FG>
<ED>Nervous system diseases; Tremor; Parkinson disease; Asymptomatic; Laser</ED>
<EG>Involuntary movement; Neurological disorder; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease</EG>
<SD>Sistema nervioso patología; Temblor; Parkinson enfermedad; Asintomático; Láser</SD>
<LO>INIST-20953.354000132711360050</LO>
<ID>05-0443834</ID>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Characterization of subclinical tremor in Parkinson's disease

Characterization of subclinical tremor in Parkinson's disease

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