Brain zapping for ADHD: new study tests best dose
NCT ID NCT04175041
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether a mild electrical current applied to the scalp (tDCS) can boost attention and working memory in adults with ADHD. Researchers will vary the strength and duration of the stimulation to find the best dose. 104 participants will complete attention tasks while their brain activity is measured.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- transcranial direct current stimulation (tDCS)
- What this could lead to
- If it works, this could point toward a non-drug option to help adults with ADHD focus better.
- What could go wrong
- This is an early dose-response study, not a treatment trial. The effects may be small or not last, and tDCS can cause mild scalp discomfort.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Massachusetts General Hospital
Boston, Massachusetts, 02129, United States
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