Does parentese ('baby talk') help autistic children learn new words?

Word Learning from Infant-Directed Speech in Autistic Children

NIH-funded research University of Texas Dallas · NIH-11266139

This project tests whether the sing‑song way caregivers talk to little children helps autistic kids learn new words and whether live interaction or kids' sound sensitivity and social interest change that effect.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Dallas NIH-funded
Lab location1 site (Richardson, United States)
Project IDNIH-11266139 on NIH RePORTER

What this research studies

You and your child may take part in activities where your child hears parentese (infant‑directed speech) or regular adult speech while trying to learn new words, sometimes from videos and sometimes in live interaction with a person. Researchers will measure which speech style helps your child pick up novel words and will record how your child responds to sounds and social cues. The team will compare recorded video presentations to live, social interactions to see if the social context matters. They will also look at whether strong sensory reactions to sound or low social motivation affect how well parentese works.

Who could benefit from this research

Good fit: Young autistic children who are in the early stages of word learning (and their caregivers) are the ideal candidates for participation.

Not a fit: Older autistic individuals with stable, age‑appropriate language skills or those not actively learning new words are unlikely to gain direct benefit from participation.

Why it matters

Potential benefit: If successful, this work could guide parents and therapists on whether and how to use parentese to support language learning in autistic children.

How similar studies have performed: Parentese is known to help typically developing children learn language, but applying and testing it specifically in autistic children is new and not yet proven.

Where this research is happening

Richardson, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Autistic Disorder
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.