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Elizabeth A. Will; Kimberly J. Hills; Kayla Smith; Samuel McQuillin; Jane E. Roberts – Autism: The International Journal of Research and Practice, 2024
Fragile X syndrome (FXS), the leading heritable cause of intellectual disability, has a co-occurrence rate of autism spectrum disorder (ASD) estimated at ~60%. The onset and rates of motor development in FXS are slower relative to neurotypical development, and even more so in the context of co-occurring FXS + ASD. Extant evidence suggests these…
Descriptors: Genetic Disorders, Autism Spectrum Disorders, Comorbidity, Psychomotor Skills
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Puleo, Connor Morrow; Schmeidler, James; Reichenberg, Abraham; Kolevzon, Alexander; Soorya, Latha V.; Buxbaum, Joseph D.; Silverman, Jeremy M. – Autism: The International Journal of Research and Practice, 2012
De novo events appear more common in female and simplex autism spectrum disorder (ASD) cases and may underlie greater ASD risk in older fathers' offspring. This study examined whether advancing paternal age predicts an increase in simplex (n = 90) versus multiplex ASD cases (n = 587) in 677 participants (340 families). Whether or not controlling…
Descriptors: Autism, Risk, Males, Age Differences