ParkinsonCanadaV1, Main, Exploration, bibRecord, 001D40

Attention and reach-to-grasp movements in Parkinson's disease

Identifieur interne : 001D40 ( Main/Exploration ); précédent : 001D39; suivant : 001D41

Attention and reach-to-grasp movements in Parkinson's disease

Auteurs : Cathy Lu [Canada] ; Aamir Bharmal [Canada] ; Zelma H. Kiss [Canada] ; Oksana Suchowersky [Canada] ; Angela M. Haffenden [Canada]

Source :

Experimental brain research [ 0014-4819 ] ; 2010.

RBID : Pascal:10-0378445

Descripteurs français

Pascal (Inist)
- Préhension, Tâche concurrente, Encéphale, Muscle, Contrôle moteur, Maladie de Parkinson, Homme, Stimulation cérébrale profonde.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Concurrent task, Deep brain stimulation, Encephalon, Gripping, Human, Motor control, Muscle, Parkinson disease.

Abstract

The role of attention in grasping movements directed at common objects has not been examined in Parkinson's disease (PD), though these movements are critical to activities of daily living. Our primary objective was to determine whether patients with PD demonstrate automaticity in grasping movements directed toward common objects. Automaticity is assumed when tasks can be performed with little or no interference from concurrent tasks. Grasping performance in three patient groups (newly diagnosed, moderate, and advanced/surgically treated PD) on and off of their medication or deep brain stimulation was compared to performance in an age-matched control group. Automaticity was demonstrated by the absence of a decrement in grasping performance when attention was consumed by a concurrent spatial-visualization task. Only the control group and newly diagnosed PD group demonstrated automaticity in their grasping movements. The moderate and advanced PD groups did not demonstrate automaticity. Furthermore, the well-known effects of pharmacotherapy and surgical intervention on movement speed and muscle activation patterns did not appear to reduce the impact of attention-demanding tasks on grasping movements in those with moderate to advanced PD. By the moderate stage of PD, grasping is an attention-demanding process; this change is not ameliorated by dopaminergic or surgical treatments. These findings have important implications for activities of daily living, as devoting attention to the simplest of daily tasks would interfere with complex activities and potentially exacerbate fatigue.

Affiliations:

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

to stream PascalFrancis, to step Corpus: 000411
to stream PascalFrancis, to step Curation: 000866
to stream PascalFrancis, to step Checkpoint: 000390
to stream Main, to step Merge: 001E80
to stream Main, to step Curation: 001D40

Le document en format XML

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<front><div type="abstract" xml:lang="en">The role of attention in grasping movements directed at common objects has not been examined in Parkinson's disease (PD), though these movements are critical to activities of daily living. Our primary objective was to determine whether patients with PD demonstrate automaticity in grasping movements directed toward common objects. Automaticity is assumed when tasks can be performed with little or no interference from concurrent tasks. Grasping performance in three patient groups (newly diagnosed, moderate, and advanced/surgically treated PD) on and off of their medication or deep brain stimulation was compared to performance in an age-matched control group. Automaticity was demonstrated by the absence of a decrement in grasping performance when attention was consumed by a concurrent spatial-visualization task. Only the control group and newly diagnosed PD group demonstrated automaticity in their grasping movements. The moderate and advanced PD groups did not demonstrate automaticity. Furthermore, the well-known effects of pharmacotherapy and surgical intervention on movement speed and muscle activation patterns did not appear to reduce the impact of attention-demanding tasks on grasping movements in those with moderate to advanced PD. By the moderate stage of PD, grasping is an attention-demanding process; this change is not ameliorated by dopaminergic or surgical treatments. These findings have important implications for activities of daily living, as devoting attention to the simplest of daily tasks would interfere with complex activities and potentially exacerbate fatigue.</div>
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	La maladie de Parkinson au Canada (serveur d'exploration)
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La maladie de Parkinson au Canada (serveur d'exploration)

Attention and reach-to-grasp movements in Parkinson's disease

Attention and reach-to-grasp movements in Parkinson's disease

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