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Belser, Richard C.; Sudhalter, Vicki – American Journal on Mental Retardation, 2001
Comparison of the production of repetitive speech during conversations in 30 people with either fragile X syndrome, autistic disorder, or mental retardation not caused by fragile X found repetitive speech more prevalent among those with fragile X. Results support the hypothesis that such speech dysfluency reflects the effects of physiological…
Descriptors: Autism, Children, Congenital Impairments, Etiology
Manuel, John – FPG Child Development Institute, University of North Carolina, 2004
Eleven years ago, FPG Child Development Institute (FPG) launched a longitudinal study of a little known form of mental retardation known as fragile X syndrome (FXS). The Carolina Fragile X Project has since grown into a multidisciplinary team studying diverse aspects of the condition, ranging from early identification to school performance. The…
Descriptors: Behavior Problems, Research and Development Centers, Mental Retardation, Child Development