NCT05901493 Category Learning Retention in Adults With and Without Developmental Language Disorder
| NCT ID | NCT05901493 |
| Status | Recruiting |
| Phase | — |
| Sponsor | University of Delaware |
| Condition | Developmental Language Disorder |
| Study Type | INTERVENTIONAL |
| Enrollment | 540 participants |
| Start Date | 2022-10-23 |
| Primary Completion | 2026-12-31 |
Eligibility & Interventions
Eligibility Fast-Check
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What to Expect as a Participant
You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.
This trial targets 540 participants in total. It began in 2022-10-23 with a primary completion date of 2026-12-31.
⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.
Brief Summary
Approximately 7% of the population experiences developmental language disorder (DLD), a language disorder with unclear causes. DLD affects communication beyond adolescence and poses challenges for education and career advancement due to difficulties in learning and memory. Recent research suggests that adults with DLD struggle with overnight memory consolidation, indicating a need for effective learning and memory support. This project aims to determine the optimal training schedule for perceptual memory retention in adults with and without DLD. The study involves recruiting 240 adults (120 with DLD, 120 without) for speech-perceptual training with different training schedules. The researchers predict that the manipulation of training schedules will interact with circadian preference and overnight consolidation, leading to the discovery of the best practice schedule for speech sound retention. Additionally, 300 more adults (150 with DLD, 150 without) will be recruited to investigate how optimal training schedules interact with reflexive and reflective learning strategies. The time course of learning and retention will be tracked during reflexive and reflective categorization training in six different training schedules.
Eligibility Criteria
Inclusion Criteria: * native speakers of American English * Grew up in a household in which only American English was spoken * 18-55 years of age * Typical vision \& hearing * (Aim 2) access to headphones/devices capable of accessing experiment script via internet * Must meet criteria for Group membership as either TD or DLD Exclusion Criteria: * History of neurological disorders * History of psychiatric disorders * History of socio-emotional disorders * On prescription medication(s) that alter sleep
Contact & Investigator
Frequently Asked Questions
Who can join the NCT05901493 clinical trial?
This trial is open to participants of all sexes, aged 18 Years or older, up to 55 Years, studying Developmental Language Disorder. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.
Is NCT05901493 currently recruiting?
Yes, NCT05901493 is actively recruiting participants. Contact the research team at fsearle@udel.edu for enrollment information.
Where is the NCT05901493 trial being conducted?
This trial is being conducted at Newark, United States, Boston, United States.
Who is sponsoring the NCT05901493 clinical trial?
NCT05901493 is sponsored by University of Delaware. The trial plans to enroll 540 participants.