MovDisordV3, PascalFrancis, Corpus, bibRecord, 002A77

Abnormalities of spatial and temporal sensory discrimination in Writer's cramp

Identifieur interne : 002A77 ( PascalFrancis/Corpus ); précédent : 002A76; suivant : 002A78

Abnormalities of spatial and temporal sensory discrimination in Writer's cramp

Auteurs : Terence D. Sanger ; Daniel Tarsy ; Alvaro Pascual-Leone

Source :

Movement disorders [ 0885-3185 ] ; 2001.

RBID : Pascal:01-0138556

Descripteurs français

Pascal (Inist)
- Crampe écrivain, Sensibilité tactile, Discrimination, Stimulus, Electrique, Physiopathologie, Homme.

English descriptors

KwdEn :
- Discrimination, Electric, Human, Pathophysiology, Stimulus, Tactile sensitivity, Writer cramp.

Abstract

Clinical observations of patients with writer's cramp suggest that abnormalities of the sensory system may be a frequent finding in this disorder. Neurophysiological data from an animal model of focal dystonia have revealed cells in somatosensory cortex with enlarged and overlapping tactile receptive fields. However, psychophysical studies so far have been unable to document a clinical correlate supporting a similar enlargement of receptive fields in humans. We compared the fingertip discrimination of the orientation of fine spatial gratings between writer's cramp and control subjects and found a significant decrease in grating sensitivity in the patients, consistent with the possibility of enlarged tactile receptive fields. In addition, we duplicated previous experiments showing an abnormality of tactile temporal discrimination. The results provide psychophysical measures which may relate to the development of sensory cortical reorganization in patients with writer cramp.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A08	`01`	`1`	`ENG`	`@1 Abnormalities of spatial and temporal sensory discrimination in Writer's cramp`
A11	`01`	`1`		`@1 SANGER (Terence D.)`
A11	`02`	`1`		`@1 TARSY (Daniel)`
A11	`03`	`1`		`@1 PASCUAL-LEONE (Alvaro)`
A14	`01`			`@1 Department of Child Neurology and Movement Disorders, Stanford University Medical Center @2 Stanford, California @3 USA @Z 1 aut.`
A14	`02`			`@1 Behavioral Neurology Unit and Movement Disorders Center, Department of Neurology, Beth Israel Deaconess Medical Center. @2 Boston, Massachusetts @3 USA @Z 2 aut. @Z 3 aut.`
A20				`@1 94-99`
A21				`@1 2001`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 20953 @5 354000094178420130`
A44				`@0 0000 @1 © 2001 INIST-CNRS. All rights reserved.`
A45				`@0 44 ref.`
A47	`01`	`1`		`@0 01-0138556`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Movement disorders`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 Clinical observations of patients with writer's cramp suggest that abnormalities of the sensory system may be a frequent finding in this disorder. Neurophysiological data from an animal model of focal dystonia have revealed cells in somatosensory cortex with enlarged and overlapping tactile receptive fields. However, psychophysical studies so far have been unable to document a clinical correlate supporting a similar enlargement of receptive fields in humans. We compared the fingertip discrimination of the orientation of fine spatial gratings between writer's cramp and control subjects and found a significant decrease in grating sensitivity in the patients, consistent with the possibility of enlarged tactile receptive fields. In addition, we duplicated previous experiments showing an abnormality of tactile temporal discrimination. The results provide psychophysical measures which may relate to the development of sensory cortical reorganization in patients with writer cramp.
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C03	`01`	`X`	`ENG`	`@0 Writer cramp @5 01`
C03	`01`	`X`	`SPA`	`@0 Calambre escribano @5 01`
C03	`02`	`X`	`FRE`	`@0 Sensibilité tactile @5 04`
C03	`02`	`X`	`ENG`	`@0 Tactile sensitivity @5 04`
C03	`02`	`X`	`SPA`	`@0 Sensibilidad tactil @5 04`
C03	`03`	`X`	`FRE`	`@0 Discrimination @5 07`
C03	`03`	`X`	`ENG`	`@0 Discrimination @5 07`
C03	`03`	`X`	`SPA`	`@0 Discriminación @5 07`
C03	`04`	`X`	`FRE`	`@0 Stimulus @5 08`
C03	`04`	`X`	`ENG`	`@0 Stimulus @5 08`
C03	`04`	`X`	`SPA`	`@0 Estímulo @5 08`
C03	`05`	`X`	`FRE`	`@0 Electrique @5 09`
C03	`05`	`X`	`ENG`	`@0 Electric @5 09`
C03	`05`	`X`	`SPA`	`@0 Eléctrico @5 09`
C03	`06`	`X`	`FRE`	`@0 Physiopathologie @5 17`
C03	`06`	`X`	`ENG`	`@0 Pathophysiology @5 17`
C03	`06`	`X`	`SPA`	`@0 Fisiopatología @5 17`
C03	`07`	`X`	`FRE`	`@0 Homme @5 20`
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C03	`07`	`X`	`SPA`	`@0 Hombre @5 20`
C07	`01`	`X`	`FRE`	`@0 Muscle strié pathologie @5 37`
C07	`01`	`X`	`ENG`	`@0 Striated muscle disease @5 37`
C07	`01`	`X`	`SPA`	`@0 Músculo estriado patología @5 37`
N21				`@1 092`

Format Inist (serveur)

NO :	PASCAL 01-0138556 INIST
ET :	Abnormalities of spatial and temporal sensory discrimination in Writer's cramp
AU :	SANGER (Terence D.); TARSY (Daniel); PASCUAL-LEONE (Alvaro)
AF :	Department of Child Neurology and Movement Disorders, Stanford University Medical Center/Stanford, California/Etats-Unis (1 aut.); Behavioral Neurology Unit and Movement Disorders Center, Department of Neurology, Beth Israel Deaconess Medical Center./Boston, Massachusetts/Etats-Unis (2 aut., 3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2001; Vol. 16; No. 1; Pp. 94-99; Bibl. 44 ref.
LA :	Anglais
EA :	Clinical observations of patients with writer's cramp suggest that abnormalities of the sensory system may be a frequent finding in this disorder. Neurophysiological data from an animal model of focal dystonia have revealed cells in somatosensory cortex with enlarged and overlapping tactile receptive fields. However, psychophysical studies so far have been unable to document a clinical correlate supporting a similar enlargement of receptive fields in humans. We compared the fingertip discrimination of the orientation of fine spatial gratings between writer's cramp and control subjects and found a significant decrease in grating sensitivity in the patients, consistent with the possibility of enlarged tactile receptive fields. In addition, we duplicated previous experiments showing an abnormality of tactile temporal discrimination. The results provide psychophysical measures which may relate to the development of sensory cortical reorganization in patients with writer cramp.
CC :	002B17A01
FD :	Crampe écrivain; Sensibilité tactile; Discrimination; Stimulus; Electrique; Physiopathologie; Homme
FG :	Muscle strié pathologie
ED :	Writer cramp; Tactile sensitivity; Discrimination; Stimulus; Electric; Pathophysiology; Human
EG :	Striated muscle disease
SD :	Calambre escribano; Sensibilidad tactil; Discriminación; Estímulo; Eléctrico; Fisiopatología; Hombre
LO :	INIST-20953.354000094178420130
ID :	01-0138556

Links to Exploration step

Pascal:01-0138556

Le document en format XML

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<front><div type="abstract" xml:lang="en">Clinical observations of patients with writer's cramp suggest that abnormalities of the sensory system may be a frequent finding in this disorder. Neurophysiological data from an animal model of focal dystonia have revealed cells in somatosensory cortex with enlarged and overlapping tactile receptive fields. However, psychophysical studies so far have been unable to document a clinical correlate supporting a similar enlargement of receptive fields in humans. We compared the fingertip discrimination of the orientation of fine spatial gratings between writer's cramp and control subjects and found a significant decrease in grating sensitivity in the patients, consistent with the possibility of enlarged tactile receptive fields. In addition, we duplicated previous experiments showing an abnormality of tactile temporal discrimination. The results provide psychophysical measures which may relate to the development of sensory cortical reorganization in patients with writer cramp.</div>
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<ET>Abnormalities of spatial and temporal sensory discrimination in Writer's cramp</ET>
<AU>SANGER (Terence D.); TARSY (Daniel); PASCUAL-LEONE (Alvaro)</AU>
<AF>Department of Child Neurology and Movement Disorders, Stanford University Medical Center/Stanford, California/Etats-Unis (1 aut.); Behavioral Neurology Unit and Movement Disorders Center, Department of Neurology, Beth Israel Deaconess Medical Center./Boston, Massachusetts/Etats-Unis (2 aut., 3 aut.)</AF>
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<LA>Anglais</LA>
<EA>Clinical observations of patients with writer's cramp suggest that abnormalities of the sensory system may be a frequent finding in this disorder. Neurophysiological data from an animal model of focal dystonia have revealed cells in somatosensory cortex with enlarged and overlapping tactile receptive fields. However, psychophysical studies so far have been unable to document a clinical correlate supporting a similar enlargement of receptive fields in humans. We compared the fingertip discrimination of the orientation of fine spatial gratings between writer's cramp and control subjects and found a significant decrease in grating sensitivity in the patients, consistent with the possibility of enlarged tactile receptive fields. In addition, we duplicated previous experiments showing an abnormality of tactile temporal discrimination. The results provide psychophysical measures which may relate to the development of sensory cortical reorganization in patients with writer cramp.</EA>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Abnormalities of spatial and temporal sensory discrimination in Writer's cramp

Abnormalities of spatial and temporal sensory discrimination in Writer's cramp

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Descripteurs français

English descriptors

Abstract

Notice en format standard (ISO 2709)

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Links to Exploration step

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