Brain zapping shows promise for sharper memory in seniors

NCT ID NCT06740864

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

Summary

This study tested whether a gentle electrical current applied to the scalp at 40 Hz can strengthen brain rhythms linked to memory in healthy adults aged 50-80. Thirty participants received the stimulation while performing a working memory task. The goal was to see if this approach could eventually help with cognitive decline in Alzheimer's disease.

What this could mean

Our plain-language read of the trial. This is informational only โ€” not medical advice or a prediction.

Active substance
transcranial alternating current stimulation (tACS) device
What this could lead to
If successful, this could point toward a non-invasive way to improve memory or slow cognitive decline in aging.
What could go wrong
This is a small, early-stage study in healthy people, not patients. It only measures short-term brain activity, not real-world memory improvement or disease prevention.

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.

Alzheimer disease Cognitive Dysfunction

As listed by the trial registrant

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

Contacts and locations

Locations

  • Institute for Research in Fundamental Sciences

    Tehran, Iran

More trials for these conditions

Other studies related to the condition(s) this trial covers.