ParkinsonCanadaV1, PubMed, Checkpoint, bibRecord, 001048

Intact encoding, impaired consolidation in procedural learning in Parkinson's disease.

Identifieur interne : 001048 ( PubMed/Checkpoint ); précédent : 001047; suivant : 001049

Intact encoding, impaired consolidation in procedural learning in Parkinson's disease.

Auteurs : Henri Cohen [Canada] ; Emmanuelle Pourcher

Source :

Experimental brain research [ 0014-4819 ] ; 2007.

RBID : pubmed:17279386

English descriptors

KwdEn :
- Brain (metabolism), Brain (physiopathology), Dopamine (deficiency), Female, Humans, Language Tests, Learning, Learning Disorders (etiology), Learning Disorders (physiopathology), Learning Disorders (psychology), Male, Memory Disorders (etiology), Memory Disorders (physiopathology), Memory Disorders (psychology), Middle Aged, Neural Pathways (metabolism), Neural Pathways (physiopathology), Neuropsychological Tests, Parkinson Disease (complications), Parkinson Disease (physiopathology), Parkinson Disease (psychology).
MESH :
- chemical , deficiency : Dopamine.
- complications : Parkinson Disease.
- etiology : Learning Disorders, Memory Disorders.
- metabolism : Brain, Neural Pathways.
- physiopathology : Brain, Learning Disorders, Memory Disorders, Neural Pathways, Parkinson Disease.
- psychology : Learning Disorders, Memory Disorders, Parkinson Disease.
- Female, Humans, Language Tests, Learning, Male, Middle Aged, Neuropsychological Tests.

Abstract

Idiopathic Parkinson's disease (IPD) patients and matched healthy participants were compared on a non-motor procedural task involving semantically related inverted word pairs, and 3 months later to determine the extent of skill consolidation. IPD patients were found to acquire new procedural skills necessary to read these inverted words, thus indicating that they are not impaired in all types of procedural learning. However, results on post-tests 3 months later, revealed significant group differences with IPD subjects showing little off-line learning relative to the controls. This suggests that a dopamine (DA)-deafferented neural system is not consolidated in the same way that a normally DA-innervated system is, and that impaired maintenance of procedures and routines may place IPD patients in a situation of constant relearning of embedded strategies in motor and non-motor domains.

DOI: 10.1007/s00221-006-0827-6
PubMed: 17279386

Affiliations:

Canada

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pubmed:17279386

Le document en format XML

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<author><name sortKey="Cohen, Henri" sort="Cohen, Henri" uniqKey="Cohen H" first="Henri" last="Cohen">Henri Cohen</name>
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<author><name sortKey="Pourcher, Emmanuelle" sort="Pourcher, Emmanuelle" uniqKey="Pourcher E" first="Emmanuelle" last="Pourcher">Emmanuelle Pourcher</name>
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<front><div type="abstract" xml:lang="en">Idiopathic Parkinson's disease (IPD) patients and matched healthy participants were compared on a non-motor procedural task involving semantically related inverted word pairs, and 3 months later to determine the extent of skill consolidation. IPD patients were found to acquire new procedural skills necessary to read these inverted words, thus indicating that they are not impaired in all types of procedural learning. However, results on post-tests 3 months later, revealed significant group differences with IPD subjects showing little off-line learning relative to the controls. This suggests that a dopamine (DA)-deafferented neural system is not consolidated in the same way that a normally DA-innervated system is, and that impaired maintenance of procedures and routines may place IPD patients in a situation of constant relearning of embedded strategies in motor and non-motor domains.</div>
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<Abstract><AbstractText>Idiopathic Parkinson's disease (IPD) patients and matched healthy participants were compared on a non-motor procedural task involving semantically related inverted word pairs, and 3 months later to determine the extent of skill consolidation. IPD patients were found to acquire new procedural skills necessary to read these inverted words, thus indicating that they are not impaired in all types of procedural learning. However, results on post-tests 3 months later, revealed significant group differences with IPD subjects showing little off-line learning relative to the controls. This suggests that a dopamine (DA)-deafferented neural system is not consolidated in the same way that a normally DA-innervated system is, and that impaired maintenance of procedures and routines may place IPD patients in a situation of constant relearning of embedded strategies in motor and non-motor domains.</AbstractText>
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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)

Intact encoding, impaired consolidation in procedural learning in Parkinson's disease.

Intact encoding, impaired consolidation in procedural learning in Parkinson's disease.

Source :

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki