Research by Topic: Longitudinal

Autism spectrum disorder symptoms from ages 2 to 19 years: Implications for diagnosing adolescents and young adults

Published June 26, 2019 in Autism Research

This study explored change in social-communicative symptoms in 140 individuals with childhood autism spectrum disorder (ASD) diagnoses. Trajectories of caregiver-reported social-communicative symptoms were examined for three groups (verbal, delayed speech, minimally verbal) from ages 2 to 19 years. Groups showed comparable levels of social-communicative impairment at 2 years and significant decreases in overall symptom levels […]

https://onlinelibrary.wiley.com/doi/full/10.1002/aur.2004

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What will my child’s future hold? Phenotypes of intellectual development in 2-8-year-olds with autism spectrum disorder

Published June 24, 2019 in Autism Research

We examined phenotypes of autism spectrum disorder (ASD) based on trajectories of intellectual development from early (ages 2-3 ┬Ż) to middle (ages 5-8) childhood in a recent clinically ascertained cohort. Participants included 102 children (82 males) initially diagnosed with ASD from the Autism Phenome Project longitudinal sample. Latent class growth analysis was used to identify […]

https://onlinelibrary.wiley.com/doi/full/10.1002/aur.1884

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