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June 1965

Developmental Dyslexia.

Arch Neurol. 1965;12(6):662. doi:10.1001/archneur.1965.00460300110024

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Reading disability is likely to attract increasing attention from physicians as society demands ever more skill and education from its workers. Dr. Critchley is concerned to extract from the heterogeneous group of retarded readers (which includes children with mental deficiency, diffuse brain damage, and psychiatric difficulties) a select group whose nuclear difficulty lies in reading, and who have been described as suffering from 'specific' or 'developmental' dyslexia. The etiology, and even the very existence, of this syndrome as a separate entity have been strenuously disputed.

While the author is essentially concerned to delineate developmental dyslexia as an autonomous, and neurological, entity, the monograph will have great value for all those interested in reading disability, whether they agree with him or not. For he scrupulously quotes and discusses other theories (eg, linguistic, ophthalmologic, and psychiatric hypotheses), and thus provides an excellent survey of the field beyond the particular point he wishes

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