Linking language learning patterns in toddlers with developmental language disorder

A Developmental Framework for Linking Phonological and Morphosyntactic Sequential Pattern Rules in Developmental Language Disorder

Not applicable Interventional University of Arizona · NCT04531514

This study is trying to see how toddlers with developmental language disorder learn language patterns to help create better ways to support them.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment150 (estimated)
Ages19 Months to 36 Months
SexAll
SponsorUniversity of Arizona Academic / other
Locations2 sites (Tucson, Arizona and 1 other locations)
Trial IDNCT04531514 on ClinicalTrials.gov

What this trial studies

This clinical study aims to explore the connection between morphological and phonological deficits in toddlers with developmental language disorder (DLD) by assessing their ability to learn sequential patterns. The research combines insights from linguistics and language acquisition to identify specific pattern types that children with DLD struggle with, particularly focusing on morpho-syntactic patterns. By evaluating toddlers aged 4 to 6 years, the study seeks to develop earlier assessments and more effective interventions for DLD and at-risk populations. The approach involves sensitivity to phonological rules and referents to better understand language acquisition challenges.

Who should consider this trial

Good fit: Ideal candidates for this study are toddlers aged 4 to 6 years with normal hearing and typical development who have a dominant exposure to English.

Not a fit: Patients who have hearing impairments, intellectual disabilities, autism, or significant motor impairments may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to earlier and more effective interventions for toddlers with developmental language disorders.

How similar studies have performed: While this approach is innovative, similar studies have shown promise in linking language learning patterns to developmental outcomes.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

Toddlers will, based on parent case history report, have

* normal hearing
* no medical or developmental concerns
* Language, speech, social, and motor development will be reported as within the expected range
* dominant exposure to English from infancy
* expressive vocabulary above the 10th percentile on the MacArthur-Bates Communicative Development Inventory (CDI; Fenson et al., 2006).

Exclusion Criteria:

Participants will be excluded who have

* hearing impairment
* intellectual impairment
* autism
* significant motor impairment
* reported histories of developmental, speech, language, or hearing disorders

Where this trial is running

Tucson, Arizona and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Developmental Language DisorderSpeech Sound DisorderSpecific Language Impairment
Last reviewed 2026-06-15 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.