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Cognitive, Behavioral, And Adaptive Functioning In Fragile X And Non-Fragile X Retarded Men, E. Dykens, J. Leckman, Rhea Paul, M. Watson

Communication Disorders Faculty Publications

The cognitive, behavioral, and adaptive functioning of 12 men with fragile X syndrome (aged 23 to 62 years) was systematically assessed and compared to two matched groups of retarded men without fragile X syndrome residing at the same institution. The fragile X group was largely indistinguishable from the comparison groups on the cognitive, behavioral, and adaptive measures. Fragile X patients were, however, significantly more likely to have achieved levels of adaptive functioning commensurate with their intellectual abilities. Fragile X subjects who had similarly affected siblings emerged as significantly higher-functioning in all areas than Fragile X subjects who did not have …