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Adaptive skills of individuals with Angelman syndrome assessed using the vineland adaptive behavior scales, 2nd edition
Gwaltney, A., Potter, S. N., Peters, S. U., Barbieri-Welge, R. L., Horowitz, L. T., Noll, L. M., Hundley, R. J., Bird, L. M., Tan, W.-H., Sadhwani, A., & Wheeler, A. (2024). Adaptive skills of individuals with Angelman syndrome assessed using the vineland adaptive behavior scales, 2nd edition. Journal of Autism and Developmental Disorders, 54(10), 3863-3887. https://doi.org/10.1007/s10803-023-06090-8
In the current study, we examined adaptive skills and trajectories over time in 257 individuals with Angelman syndrome (AS) using the Vineland Adaptive Behavior Scales, 2nd Edition. Multilevel linear models were used to examine differences between molecular subtypes over time, from one year to 13 years of age, in the adaptive domains of communication, daily living skills, socialization and motor skills. Individuals with non-deletion subtypes typically demonstrated a higher level of adaptive skills compared to those with deletion subtypes. Statistically significant growth was observed in all adaptive domains through at least early adolescence. Individuals with AS should continue to receive developmental services and educational supports through adolescence and into adulthood given the slow rates of growth being observed across adaptive domains.
