Plain-English translation of NCT06649916 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
This study doesn't follow the usual testing phases — it may be an observational study or a different type of research.
Researchers want to understand how autistic children learn new words—specifically, whether they benefit from 'parentese,' the natural high-pitched, slower speech style that parents use with babies. Some children with autism struggle with language development even with early support, so scientists need to know if this common way of speaking helps autistic children learn, or if their approach to language learning is different.
Many autistic children don't develop language skills at the expected age, even with early intervention and therapy. If we understand whether parentese helps autistic children learn words the way it helps other children, we can figure out whether speech input needs to be adjusted differently for autistic learners.
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Your child will participate in word-learning activities where they listen to sentences with made-up words. Some sentences will use the special parent-speech style (parentese), and others will use regular adult speech. Some activities will be on video, and others will be live with a researcher. The researcher will also ask parents questions about your child's hearing sensitivity and social interests to better understand individual differences in how children learn.
AI-generated summary from trial data · Jul 2, 2026 · Not medical advice
United States
Sponsor
The University of Texas at Dallas
Collaborators
National Institute on Deafness and Other Communication Disorders (NIDCD)
Enrollment target
~100 participants
Started
October 2024
Primary completion
March 2028
Age range
18 Months – 59 Months
Last updated on clinicaltrials.gov in October 2025.
Reach out to the team running this trial. Response times vary — some teams are faster than others.
Central contact
Pumpki L Su, PhD
The University of Texas at Dallas
Tell us you're interested and we'll help connect you with the research team. We'll walk you through what to expect first — no email needed to get started.