Estimation of Short Temporal Intervals in Alzheimer's Disease

This study investigated the estimation of short temporal intervals in Alzheimer's disease (AD). Eight patients with dementia of the Alzheimer type, and eight age-matched controls were evaluated in a time estimation task. The task consisted in the production of three short empty intervals (5, 10...

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Bibliographic Details
Published in:Experimental aging research 2000-04, Vol.26 (2), p.139-151
Main Author: Carmen Carrasco, M. Jesus Guillem, Rosa Redolat, M.
Format: Article
Language:English
Subjects:
Aged
Alzheimer Disease - psychology
Biological and medical sciences
Cognition Disorders - psychology
Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases
Female
Geriatrics
Humans
Male
Medical sciences
Middle Aged
Neurology
Prospective Studies
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Reference Values
Time Perception
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Summary:This study investigated the estimation of short temporal intervals in Alzheimer's disease (AD). Eight patients with dementia of the Alzheimer type, and eight age-matched controls were evaluated in a time estimation task. The task consisted in the production of three short empty intervals (5, 10, and 25's). Results indicated that AD patients show deficits both in the accuracy and precision of time judgments: in the three intervals evaluated, the magnitude of absolute error and the variability in time judgments were significantly greater in AD patients than healthy respondents (p
ISSN:0361-073X
1096-4657
DOI:10.1080/036107300243605