Could a gentle brain zap boost memory in dementia?
NCT ID NCT05326750
First seen Nov 01, 2025 · Last updated Jun 19, 2026 · Updated 37 times
Summary
This study tests whether a gentle, non-invasive brain stimulation technique called tACS can improve memory and thinking in people with Alzheimer's disease, Lewy body dementia, frontotemporal dementia, and normal pressure hydrocephalus. Two hundred participants will receive either real or sham stimulation over four sessions. Researchers will measure changes in memory, orientation, and other cognitive tests.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Kuopio University Hospital
RECRUITINGKuopio, Finland
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What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
gamma transcranial alternating current stimulation (tACS) device
What this could lead to
If it works, this could offer a non-drug way to temporarily boost memory and thinking in people with common dementias.
What could go wrong
This is an early-stage study with only a single session of stimulation, so any benefits may be small or short-lived. The results may not apply to all patients.
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.