Journal
CLINICAL NEUROPSYCHOLOGIST
Volume 17, Issue 2, Pages 203-215Publisher
SWETS ZEITLINGER PUBLISHERS
DOI: 10.1076/clin.17.2.203.16508
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The present study examined the influence of age-related decline in psychomotor speed on verbal fluency tasks. Reading speed, handwriting speed, written fluency, oral fluency, vocabulary, and years of formal education were measured in a sample of healthy volunteers (N= 101) ranging in age from 20 to 88 years. Multiple regression analyses revealed that reading and handwriting speed strongly predicted verbal fluency performance. These measures, together with vocabulary skills and mental status, were significant predictors of performance on the fluency tasks. Present results suggest that decrement in verbal fluency performance in the aged may, at least partially, be due to reduced psychomotor speed rather than to decline in linguistic or cognitive functions.
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