Performance of Dyslexic Children on Cerebellar and Cognitive Tests

In a previous study (A. J. Fawcett, R. I. Nicolson, & P. Dean, 1996), the authors had found strong behavioral evidence for cerebellar deficit in a panel of children with dyslexia. In the present study, the generality of those results was assessed. A battery of clinical tests for cerebellar dysfu...

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Bibliographic Details
Published in:Journal of motor behavior 1999-03, Vol.31 (1), p.68-78
Main Authors: Fawcett, Angela J., Nicolson, Roderick I.
Format: Article
Language:English
Subjects:
balance
Biological and medical sciences
cerebellum
Child clinical studies
Cognitive Tests
Dyslexia
Language Acquisition
Language and communication disorders
learning disability
Medical sciences
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Thinking Skills
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Summary:In a previous study (A. J. Fawcett, R. I. Nicolson, & P. Dean, 1996), the authors had found strong behavioral evidence for cerebellar deficit in a panel of children with dyslexia. In the present study, the generality of those results was assessed. A battery of clinical tests for cerebellar dysfunction was administered, together with selected cognitive tests, to a further 59 dyslexic and 67 control children. The dyslexic children showed highly significant impairments on the cerebellar tests, with deficits on postural stability and muscle tone comparable in magnitude with their reading and spelling deficits. Furthermore, over 95% of the dyslexic children showed clear evidence of deficit on muscle tone or stability. The findings provide further evidence of the generality of cerebellar impairment in dyslexia. The implications of the cerebellar tests for screening in dyslexia are discussed.
ISSN:0022-2895
1940-1027
DOI:10.1080/00222899909601892