MovDisordV3, PascalFrancis, Corpus, bibRecord, 001A94

Association between vestibuloocular reflex suppression during smooth movements of the head and attention deficit in progressive supranuclear palsy

Identifieur interne : 001A94 ( PascalFrancis/Corpus ); précédent : 001A93; suivant : 001A95

Association between vestibuloocular reflex suppression during smooth movements of the head and attention deficit in progressive supranuclear palsy

Auteurs : Richard P. Di ; Cris Zampieri ; Paul Tuite ; Jürgen Konczak

Source :

Movement disorders [ 0885-3185 ] ; 2006.

RBID : Pascal:06-0393850

Descripteurs français

Pascal (Inist)
- Système nerveux pathologie, Réflexe vestibulooculaire, Suppression, Tête, Trouble attention, Regard.

English descriptors

KwdEn :
- Attentional disorder, Gaze, Head, Nervous system diseases, Suppression, Vestibuloocular reflex.

Abstract

With head movement, suppression of vestibular inputs during visual exploration is necessary not only for reorienting gaze, but also to direct attention to new visual targets. People with progressive supranuclear palsy (PSP) have difficulty suppressing the vestibuloocular reflex (VOR) and it was hypothesized that the magnitude of VOR suppression deficit correlates with the degree of degradation of attention and visuospatial performance. We evaluated cognitive and visuomotor function in 8 subjects with PSP (4 men and 4 women; ages 59-83 years). Gaze control was studied by measuring the accuracy of eye-head coordination during passive vertical and horizontal head-on-trunk movements. Fixation was assessed when subjects viewed either an earth-fixed or head-fixed target. A gaze fixation score (GFS) was calculated to represent the amount of error between eye and head movement in each plane (eye-head root mean square error normalized to the range of head rotation). The vertical but not horizontal GFS during attempted suppression of the VOR was significantly related to attention (r = -0.70; P = 0.05) and visuospatial ability (r = -0.76; P = 0.03). These findings suggest that the ability to suppress the VOR during vertical smooth movements of the head is associated with the magnitude of cognitive deficit in PSP.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A14	`01`			`@1 Department of Physical Medicine and Rehabilitation, University of Minnesota @2 Minneapolis, Minnesota @3 USA @Z 1 aut. @Z 2 aut.`
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A14	`03`			`@1 Department of Neurology, University of Minnesota @2 Minneapolis, Minnesota @3 USA @Z 3 aut.`
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A44				`@0 0000 @1 © 2006 INIST-CNRS. All rights reserved.`
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C03	`06`	`X`	`FRE`	`@0 Regard @5 13`
C03	`06`	`X`	`ENG`	`@0 Gaze @5 13`
C03	`06`	`X`	`SPA`	`@0 Mirada @5 13`
N21				`@1 261`
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Format Inist (serveur)

NO :	PASCAL 06-0393850 INIST
ET :	Association between vestibuloocular reflex suppression during smooth movements of the head and attention deficit in progressive supranuclear palsy
AU :	DI (Richard P.); ZAMPIERI (Cris); TUITE (Paul); KONCZAK (Jürgen)
AF :	Department of Physical Medicine and Rehabilitation, University of Minnesota/Minneapolis, Minnesota/Etats-Unis (1 aut., 2 aut.); Graduate Program in Neuroscience, University of Minnesota/Minneapolis, Minnesota/Etats-Unis (1 aut., 4 aut.); Department of Neurology, University of Minnesota/Minneapolis, Minnesota/Etats-Unis (3 aut.); Department of Kinesiology, University of Minnesota/Minneapolis, Minnesota/Etats-Unis (4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2006; Vol. 21; No. 7; Pp. 910-915; Bibl. 43 ref.
LA :	Anglais
EA :	With head movement, suppression of vestibular inputs during visual exploration is necessary not only for reorienting gaze, but also to direct attention to new visual targets. People with progressive supranuclear palsy (PSP) have difficulty suppressing the vestibuloocular reflex (VOR) and it was hypothesized that the magnitude of VOR suppression deficit correlates with the degree of degradation of attention and visuospatial performance. We evaluated cognitive and visuomotor function in 8 subjects with PSP (4 men and 4 women; ages 59-83 years). Gaze control was studied by measuring the accuracy of eye-head coordination during passive vertical and horizontal head-on-trunk movements. Fixation was assessed when subjects viewed either an earth-fixed or head-fixed target. A gaze fixation score (GFS) was calculated to represent the amount of error between eye and head movement in each plane (eye-head root mean square error normalized to the range of head rotation). The vertical but not horizontal GFS during attempted suppression of the VOR was significantly related to attention (r = -0.70; P = 0.05) and visuospatial ability (r = -0.76; P = 0.03). These findings suggest that the ability to suppress the VOR during vertical smooth movements of the head is associated with the magnitude of cognitive deficit in PSP.
CC :	002B17; 002B18D05; 002B16B
FD :	Système nerveux pathologie; Réflexe vestibulooculaire; Suppression; Tête; Trouble attention; Regard
ED :	Nervous system diseases; Vestibuloocular reflex; Suppression; Head; Attentional disorder; Gaze
SD :	Sistema nervioso patología; Reflejo vestibuloocular; Supresión; Cabeza; Trastorno atención; Mirada
LO :	INIST-20953.354000133412770050
ID :	06-0393850

Links to Exploration step

Pascal:06-0393850

Le document en format XML

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<ET>Association between vestibuloocular reflex suppression during smooth movements of the head and attention deficit in progressive supranuclear palsy</ET>
<AU>DI (Richard P.); ZAMPIERI (Cris); TUITE (Paul); KONCZAK (Jürgen)</AU>
<AF>Department of Physical Medicine and Rehabilitation, University of Minnesota/Minneapolis, Minnesota/Etats-Unis (1 aut., 2 aut.); Graduate Program in Neuroscience, University of Minnesota/Minneapolis, Minnesota/Etats-Unis (1 aut., 4 aut.); Department of Neurology, University of Minnesota/Minneapolis, Minnesota/Etats-Unis (3 aut.); Department of Kinesiology, University of Minnesota/Minneapolis, Minnesota/Etats-Unis (4 aut.)</AF>
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<SO>Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2006; Vol. 21; No. 7; Pp. 910-915; Bibl. 43 ref.</SO>
<LA>Anglais</LA>
<EA>With head movement, suppression of vestibular inputs during visual exploration is necessary not only for reorienting gaze, but also to direct attention to new visual targets. People with progressive supranuclear palsy (PSP) have difficulty suppressing the vestibuloocular reflex (VOR) and it was hypothesized that the magnitude of VOR suppression deficit correlates with the degree of degradation of attention and visuospatial performance. We evaluated cognitive and visuomotor function in 8 subjects with PSP (4 men and 4 women; ages 59-83 years). Gaze control was studied by measuring the accuracy of eye-head coordination during passive vertical and horizontal head-on-trunk movements. Fixation was assessed when subjects viewed either an earth-fixed or head-fixed target. A gaze fixation score (GFS) was calculated to represent the amount of error between eye and head movement in each plane (eye-head root mean square error normalized to the range of head rotation). The vertical but not horizontal GFS during attempted suppression of the VOR was significantly related to attention (r = -0.70; P = 0.05) and visuospatial ability (r = -0.76; P = 0.03). These findings suggest that the ability to suppress the VOR during vertical smooth movements of the head is associated with the magnitude of cognitive deficit in PSP.</EA>
<CC>002B17; 002B18D05; 002B16B</CC>
<FD>Système nerveux pathologie; Réflexe vestibulooculaire; Suppression; Tête; Trouble attention; Regard</FD>
<ED>Nervous system diseases; Vestibuloocular reflex; Suppression; Head; Attentional disorder; Gaze</ED>
<SD>Sistema nervioso patología; Reflejo vestibuloocular; Supresión; Cabeza; Trastorno atención; Mirada</SD>
<LO>INIST-20953.354000133412770050</LO>
<ID>06-0393850</ID>
</server>
</inist>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Association between vestibuloocular reflex suppression during smooth movements of the head and attention deficit in progressive supranuclear palsy

Association between vestibuloocular reflex suppression during smooth movements of the head and attention deficit in progressive supranuclear palsy

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