Establish the Role of Premotor and Motor Cortices in tDCS-facilitated Speech Motor Learning
Status unconfirmed · Not applicable · Has a placebo group
Conditions studied: Healthy
In brief
Groups of unimpaired participants will all receive speech motor training of nonwords, and six tDCS conditions will be compared: anodal tDCS over speech motor regions; cathodal tDCS over speech motor regions; anodal tDCS over left frontal regions; cathodal tDCS over left frontal regions; cathodal stimulation over non-speech motor regions (anodal already collected);and sham tDCS (no stimulation). This will address a basic science question about whether the mechanism underlying speech motor learning requires premotor and motor cortical regions to be stimulated, which has implications for treatment of acquired speech impairment. The primary outcome measure will be the difference in production accuracy and changes in motor acuity (measured with duration) of novel consonant cluster production.
Key facts
- Study ID
- NCT05804344
- Run by
- New York University
- People needed
- 100
- Starts
- 2022-10-25
- Expected to finish
- 2026-03-01
- Last updated by the study team
- 2024-03-25
Who can join
Age: 18 and older, up to 35. Sex: any. Healthy volunteers: accepted.
You may qualify if…
- native English speaker (learned English in the home from birth)
- no exposure to languages that contain the trained consonant clusters (e.g., Slavic languages, Greek, Hebrew).
You may not qualify if…
- a history of speech, language or hearing disorder
- not passing a hearing screening (40 dB HL; ANSI: 1983) at 500, 1000, 2000, 4000Hz binaurally
- presence of potential tDCS risk factors: damaged skin at site of stimulation; presence of electrically or magnetically activated implant (including pacemaker); and metal in any part of their body
Where it is running
- New York University Department of Communicative Sciences and Disorders — New York, New York, United States (enrolling)
Full record on ClinicalTrials.gov
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