The contribution of impaired working memory monitoring to performance of the Self-Ordered Pointing Task in normal aging and Parkinson's disease
Identifieur interne : 000318 ( France/Analysis ); précédent : 000317; suivant : 000319The contribution of impaired working memory monitoring to performance of the Self-Ordered Pointing Task in normal aging and Parkinson's disease
Auteurs : R. West [Canada] ; G. Winocur [Canada] ; A.-M. Ergis [France] ; J. Saint-Cyr [Canada]Source :
- Neuropsychology [ 0894-4105 ] ; 1998.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Personne âgée.
English descriptors
- KwdEn :
- Adolescent, Adult, Aged, Aging (physiology), Analysis of Variance, Elderly, Female, Frontal Lobe (physiopathology), Humans, Male, Memory disorder, Memory, Short-Term (physiology), Middle Aged, Nerve Net (physiology), Parkinson Disease (physiopathology), Parkinson disease, Psychomotor Performance (physiology), Working memory, Young adult.
- MESH :
- physiology : Aging, Memory, Short-Term, Nerve Net, Psychomotor Performance.
- physiopathology : Frontal Lobe, Parkinson Disease.
- Adolescent, Adult, Aged, Analysis of Variance, Female, Humans, Male, Middle Aged.
Abstract
The factors contributing to the working memory deficit observed in older adults and individuals with Parkinson's disease on the Self-Ordered Pointing Task were examined in 2 experiments. A detailed analysis of the error data revealed that errors tended to be clustered toward the end of a trial and that this effect was somewhat independent of set size. This pattern was proposed to result from a monitoring deficit where individuals failed to maintain an integrated representation of how far they had proceeded in the trial, an interpretation consistent with animal work by M. Petrides (1995).
Affiliations:
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Pascal:99-0276372Le document en format XML
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<front><div type="abstract" xml:lang="en">The factors contributing to the working memory deficit observed in older adults and individuals with Parkinson's disease on the Self-Ordered Pointing Task were examined in 2 experiments. A detailed analysis of the error data revealed that errors tended to be clustered toward the end of a trial and that this effect was somewhat independent of set size. This pattern was proposed to result from a monitoring deficit where individuals failed to maintain an integrated representation of how far they had proceeded in the trial, an interpretation consistent with animal work by M. Petrides (1995).</div>
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