NIH-funded research R01 grant

Longitudinal Pathways of Sign Language Development in Deaf Children

Official title: Longitudinal Pathways of Sign Language Development: Tracking Growth and Intervention Outcomes in Deaf Children

Funded at University of Tennessee Knoxville · NIH-11430402 · Data updated 2026-11-12

This project follows signing deaf children over several years to understand how sign language growth relates to later reading and writing skills and how a structured intervention called SISI supports that growth.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Tennessee Knoxville
NIH-funded
Lab location1 site (Knoxville, United States)
Project startAugust 1, 2026
Project endJune 30, 2031
Funding year2026
Award (this year)$538,934
NIH project number1R01DC024167-01
Project IDNIH-11430402 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are deaf or hard-of-hearing children aged 4–10 who use sign language and are enrolled in one of the participating programs.

Less likely to help

Children outside the 4–10 age range or not using sign language may not directly benefit.

What this research studies

If you have a child who uses sign language and is between about 4 and 10 years old, this study will track their sign language development over four years across multiple programs for deaf children. Researchers will collect language samples twice a year and apply a Sign Language Complexity Assessment to see how signing skills evolve. They will also examine how factors like language background, any additional disabilities, and how faithfully the intervention is delivered influence progress toward literacy. The goal is to identify growth patterns and modifiable factors that could improve discourse in sign language and translation to written English.

Why it matters

Potential benefit: If successful, the findings could inform better sign language instruction and intervention strategies that support literacy outcomes for Deaf children.

How similar studies have gone: This approach builds on prior long-term sign-language and literacy research, extending it to a systematic, multi-site cohort with a specific discourse-focused intervention.

Where this research is happening

  • University of Tennessee Knoxville
    Knoxville, United States
    Active

Researchers

  • Principal investigator: Holcomb, Leala — University of Tennessee Knoxville
  • Study coordinator: Holcomb, Leala

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.