Kaçar Kütükçü, D., Karalı, F. S., & Çınar, N. (2026). Language and Repetition Performance in Autism Spectrum Disorder Versus Developmental Language Disorder: Evidence From Turkish-Speaking Children. Autism Research: Official Journal of the International Society for Autism Research, e70236. https://doi.org/10.1002/aur.70236
Many brain-based childhood conditions, also called neurodevelopmental conditions, involve difficulties with language. Although these language difficulties may present similarly, children often show differences in overall language profiles. The ability to repeat made up words or nonwords (nonword repetition) and sentences (sentence repetition) are tasks that can be used to assess skills related to the language’s sound system (phonology), meaning units (morphology), and the ability to hold information in mind (working memory). The linguistic profiles of children with autism, Developmental Language Disorder (DLD) and other neurodevelopmental conditions have been compared in previous studies but results are often unclear and inconsistent.
Kütükçü and colleagues compared Turkish-speaking children with autism, Developmental Language Disorder (DLD), and typical development (TD) on language and repetition tasks. Overall, typically developing children scored significantly higher than both the DLD and autistic groups. The DLD and autistic groups did not significantly differ on the majority of measures (exception: DLD group scored higher than autistic group on a morpheme completion task).
Overall, the findings suggest that language profiles of autism and DLD are similar. Future work with larger sample sizes and across cultural and linguistic differences is needed to further explore the questions posed in this study.
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