Rett 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.
References in periodicals archive ?
Their partners in supporting this work are parent's organizations worldwide including Reverse Rett (UK), Rett Syndrome Research & Treatment Foundation (Israel), Rett Syndrome and CDKL5 Ireland, Skye Wellesley Foundation (UK), Stichting Rett Syndrome (Holland), Rett Syndrom Deutschland e.V., and American organizations, Girl Power 2 Cure , the Kate Foundation for Rett Syndrome Research, Eva Fini Fund at RSRT, Rocky Mountain Rett Association, Anastasi Fund, Claire's Crusade and the New Jersey Rett Syndrome Association.
After Down syndrome, the fragile X and Rett syndromes are believed to be the most common causes of developmental delay in females (21).