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Patterns of motor impairment in normal aging, mild cognitive decline, and early Alzheimer's disease
Author(s)Alan Kluger, John Gianutsos, James Golomb
Journal titleThe Journals of Gerontology Series B: Psychological Sciences and Social Sciences, vol 52B, no 1, January 1997
Pagespp P28-P39
KeywordsMental disorder ; Mental ageing ; Cognitive impairment ; Dementia ; Early ; Correlation ; United States of America.
AnnotationA broad array of motor/psychomotor tests were used to determine the relationship between cognitive dysfunction and motor behaviour in older adults: 41 cognitively normal elderly (NL), 25 cases exhibiting mild cognitive impairment (MI), and 25 patients with mild Alzheimer's disease (AD). Relative to the NL group, MI individuals (at risk for future decline to AD) performed worse on tasks involving fine and complex motor function (e.g. tracking and manual dexterity). AD patients also exhibited motor dysfunction on tasks assessing relatively basic motor control. Motor tasks were able to distinguish NL vs MI and NL vs mild AD individuals as effectively as cognitive tests of memory and language. The results indicate that motor impairment is an important aspect of cognitive decline in older adults. Motor/psychomotor assessments may be comparably sensitive to traditional tests of cognitive function to identifying those affected by the earliest stages of AD pathology.
Accession NumberCPA-980227007 A
ClassmarkE: D6: E4: EA: 4J: 49: 7T

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