Brain zaps aim to smooth stuttering speech

NCT ID NCT07354139

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a safe, noninvasive brain stimulation technique called HD-tDCS can reduce stuttering symptoms like repetitions and blocks. Fifty adults who stutter will receive a single session of stimulation and complete speaking tasks before and after. The goal is to see if targeting specific brain areas can improve fluency and guide future treatments.

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Conditions

The condition(s) this trial relates to.

Speech stutter disorder Stuttering

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Callier Clinical Research Center

    RECRUITING

    Richardson, Texas, 75080, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••