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Journals of Gerontology Series B: Psychological Sciences and Social Sciences, Vol 52, Issue 1 P28-P39, Copyright © 1997 by The Gerontological Society of America
ARTICLES |
A Kluger, JG Gianutsos, J Golomb, SH Ferris, AE George, E Franssen and B Reisberg
Department of Psychiatry, New York University Medical Center, USA.
In order to determine the relationship between cognitive dysfunction and motor behavior in older adults, 41 cognitively normal elderly (NL), 25 cases exhibiting mild cognitive impairment (MI), and 25 patients with mild Alzheimer's disease (AD) were examined using a broad array to motor/psychomotor and cognitive tests. 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 more rudimentary 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. These 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 in identifying persons affected by the earliest stages of AD pathology.
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D. J. Serrien, S. P. Swinnen, and G. E. Stelmach Age-Related Deterioration of Coordinated Interlimb Behavior J. Gerontol. B. Psychol. Sci. Soc. Sci., September 1, 2000; 55(5): 295P - 303. [Abstract] [Full Text] |
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