Rett syndrome

(redirected from Autism-Dementia-Ataxia-Loss of Purposeful Hand Use syndrome)
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Rett syndrome

[′ret ‚sin‚drōm]
(psychology)
An inherited developmental disorder observed only in females that is characterized by a short period of normal development, followed by loss of developmental skills (particularly purposeful hand movements) and marked psychomotor retardation. A brief autistic-like phase may be observed during the preschool period, but the subsequent course and clinical features are markedly different from autism.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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