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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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Christensen, Lisa L.; Baker, Bruce L. – Journal of Mental Health Research in Intellectual Disabilities, 2021
Background: Oppositional Defiant Disorder (ODD) appears more prevalent among children with intellectual disabilities (ID) as compared to children with typical development. However, it remains unclear what drives this difference. Methods: Data from 70 youth with typical development (TD) and 20 youth with ID were drawn from (The Collaborative Family…
Descriptors: Behavior Disorders, Intellectual Disability, Comorbidity, Incidence