期刊
NEUROREPORT
卷 13, 期 9, 页码 1111-1113出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00001756-200207020-00008
关键词
age; audition; cognitive speed; dyslexia; tactile perception; temporal acuity; temporal processing; vision
Several studies show that although function may recover after brain damage the insult can nevertheless cause accelerated deterioration in old age. This has been interpreted as indicating reduced neuronal capacity to counteract age-related decline with plastic changes. Psychosocial and compensatory factors obscure the neuronal explanation. Since the speed of processing sequential temporal information is impaired in developmental dyslexia, we investigated its dependence on age (20-59 years) in psychosocially comparable groups of dyslexic and fluent readers using six tasks. Processing speed was impaired in dyslexia and decreased with age. The decrement was faster in dyslexic than normal readers in processing periodic stimuli. No exacerbation occurred in reading and other experiential factors. Our results, therefore, support the neuronal explanation.
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