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Evaluating Sex Differences in Language Abilities Within Down Syndrome and Autism Spectrum Disorder
Manisha D Udhnani1, Nancy Raitano Lee1
1Manisha Udhnani, The Ohio State University; and Nancy Raitano Lee, Drexel University.
None:
Down syndrome (DS) and autism spectrum disorder (ASD) are two neurodevelopmental disorders characterized by impairments in language. Most studies do not consider the possible role sex differences may play in language profiles. Thus, the current study aimed to evaluate whether parent-reported structural and pragmatic language vary as a function of sex in youth with DS (n = 37), ASD (n = 106), and typical development (TD; n = 61). Findings suggest a female advantage in both structural and pragmatic language in DS; in contrast, no sex differences were found for either ASD or TD. Results suggest that males with DS may require more extensive interventions for language. Future research should investigate how age, IQ, and mode of measurement may impact the nature of these observations.
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