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Van der Molen, M. J. W.; Van der Molen, M. W.; Ridderinkhof, K. R.; Hamel, B. C. J.; Curfs, L. M. G.; Ramakers, G. J. A. – Brain and Cognition, 2012
The ability to flexibly adapt to the changing demands of the environment is often reported as a core deficit in fragile X syndrome (FXS). However, the cognitive processes that determine this attentional set-shifting deficit remain elusive. The present study investigated attentional set-shifting ability in fragile X syndrome males with the…
Descriptors: Mental Age, Age, Down Syndrome, Scoring
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Estigarribia, Bruno; Martin, Gary E.; Roberts, Joanne E.; Spencer, Amy; Gucwa, Agnieszka; Sideris, John – Applied Psycholinguistics, 2011
We examined recalled narratives of boys with fragile X syndrome with autism spectrum disorder (FXS-ASD; N = 28) and without ASD (FXS-O; N = 29), and compared them to those of boys with Down syndrome (N = 33) and typically developing (TD) boys (N = 39). Narratives were scored for mentions of macrostructural story grammar elements (introduction,…
Descriptors: Story Grammar, Mental Age, Age, Syntax
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McLean, Mary E.; And Others – Journal of Early Intervention, 1992
Thirty children (under 24 months of age) referred to an early intervention program were administered 3 developmental assessments. Although the Griffiths' Mental Development Scales correlated well with the Bayley Scales of Infant Development and the Battelle Developmental Inventory, the Griffiths' age equivalents were considerably higher than the…
Descriptors: Age, At Risk Persons, Child Development, Chronological Age