Exploring the effects of TMS on language processing in stroke and aphasia

Probing Language Processes Using Transcranial Magnetic Stimulation

Not applicable Interventional Medical College of Wisconsin · NCT05425615

This study tests whether Transcranial Magnetic Stimulation (TMS) can help improve language skills in people who have had a stroke and struggle with aphasia, as well as in healthy individuals.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment135 (estimated)
Ages18 Years to 85 Years
SexAll
SponsorMedical College of Wisconsin Academic / other
Locations1 site (Milwaukee, Wisconsin)
Trial IDNCT05425615 on ClinicalTrials.gov

What this trial studies

This study investigates the impact of Transcranial Magnetic Stimulation (TMS) on individuals who have experienced a stroke and suffer from aphasia, as well as healthy participants. It employs a randomized, within-subject design to assess the effects of TMS on semantic and phonological language processes, both in isolation and in interaction with other cognitive functions. The study aims to identify how TMS can influence language processing by targeting specific brain regions associated with these functions, based on prior neuroimaging and neuropsychological research.

Who should consider this trial

Good fit: Ideal candidates include right-handed adults aged 18 and older who have been diagnosed with a left hemisphere stroke and are fluent in English.

Not a fit: Patients with severe cognitive impairments, unstable psychiatric conditions, or certain medical implants may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved therapeutic strategies for enhancing language recovery in stroke survivors with aphasia.

How similar studies have performed: Previous studies using TMS for language processing have shown promising results, suggesting that this approach may be effective in enhancing language recovery.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosed with left hemisphere stroke
* Consent date \>= 1 month after stroke onset
* Right-handed
* Fluent in English
* 18 years of age or older

Exclusion Criteria:

* Severe cognitive, auditory or visual impairments that would preclude cognitive and language testing
* Non-decisional per decisionality questionnaire or other clinical assessment
* Presence of major untreated or unstable psychiatric disease (e.g. schizophrenia, bipolar disease)
* A chronic medical condition that is not treated or is unstable
* Presence of

  1. cardiac stimulators or pacemakers or intracardiac lines
  2. neurostimulators
  3. medication infusion device
  4. any other implants near the scalp (e.g., cochlear implants) or in the eye
  5. metal in the body
* Pregnancy
* History of skull fractures, or skin diseases
* History of ongoing or unmanaged seizures or a family history of epilepsy
* Presence of factors that potentially decrease seizure thresholds
* On pro-convulsant medications
* Untreated Sleep deprivation or insomnia
* Ongoing alcoholism or illegal drug abuse (e.g., cocaine or MDMA users)
* History of dyslexia or other developmental learning disabilities

Where this trial is running

Milwaukee, Wisconsin

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 StrokeAphasiaLanguageTMSTranscranial Magnetic StimulationSemantic processingPhonological processing
Last reviewed 2026-06-13 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.