Using Transcranial Direct Current Stimulation (tDCS) to Improve Post-Stroke Aphasia


Phase 2 Results N/A

Eligibility Criteria

Inclusion Criteria

- Age 18 or older
- Aphasia due to left hemisphere stroke diagnosed by a physician or speech-language pathologist

Exclusion Criteria

- Skull defect at or near the site of tDCS delivery
- History of a significant stroke or traumatic brain injury other than the event that caused the aphasia
- History of other brain conditions that could impact interpretation of results (such as MS, brain tumor, encephalitis, premorbid dementia)
- Presence of implanted electrical or metallic devices in the head or body (except titanium; e.g. cochlear implants, implanted shunts with metal parts, deep brain stimulators, pacemakers, defibrillators)
- Presence of ferrous metal in the head (e.g. shrapnel)
- History of psychiatric disease requiring hospitalization, electroconvulsive therapy, or ongoing medication use (other than common SSRI or SNRI antidepressants)
- Pregnancy
- Severe comprehension deficits
Additional Exclusion Criteria for the optional MRI portion of the study:
- Presence of metal in the body (except titanium)
- Claustrophobia