A Developmental Framework For Linking Phonological And Morpho-syntactic Sequential Pattern Rules In DLD: Production

Part of paid clinical trials in Tucson, Arizona.

Sponsor
Father Flanagan's Boys' Home
Study ID
NCT04558541
Status
Recruiting
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Conditions

  • Developmental Language Disorder
  • Specific Language Impairment
  • Speech Sound Disorder

Eligibility Criteria

Sex
ALL
Age
4 Years - 8 Years
Healthy Volunteers
Accepted

Interventions

  • Sensitivity to phonological rules — OTHER
    Assess whether children with developmental language disorder (DLD) are sensitive to different phonological patterns that are predicted to align with development of morphosyntax or the lexicon; children with speech sound disorder (SSD) are not predicted to be sensitive to the same phonological patterns.
  • Sensitivity to semantic category cues. — OTHER
    Assess whether all children, including those with DLD, show improved learning of OR rules when a semantic category cue is used.

Study Details

The broad aim of this clinical study is to assess the hypothesis that morphological and phonological deficits are linked by a broader deficit in sequential pattern learning. This hypothesis applies to learning in general, but is especially critical as an avenue for developing earlier assessments and more powerful interventions for children with developmental language disorder (DLD; also known as specific language impairment). Other populations, such as at-risk toddlers, may also benefit from this new approach.

Key Dates

Start date
Aug 7, 2022
Status verified
Oct 2025
Primary completion
Dec 31, 2026
Completion
Dec 31, 2026

Study Design

Enrollment
400 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
BASIC_SCIENCE

Arms

  • Experimental: Sensitivity to phonological rules: Children
    Arm 1: Single Feature Pattern; Arm 2: OR/Disjunction Pattern; Arm 3: Family Resemblance/Prototype Pattern
  • Experimental: Sensitivity to semantic category cues: Children
    Arm 1.Referential cue during OR learning.

Primary Outcome Measure

Transcription Accuracy Measures of Children's Sensitivity to OR/disjunction, Family resemblance/prototype and/or Single feature rules [ Time Frame: 30 minutes ]

Central Contacts

Locations (2)

FacilityCityStateZIPSite coordinators
University of ArizonaTucsonArizona85721
LouAnn Gerken, PhD
[email protected]
Boys Town National Research HospitalOmahaNebraska68131
Lisa Goffman, PhD
[email protected]

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By research site
University of Arizona· Tucson, AZBoys Town National Research Hospital· Omaha, NE

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