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Brain zaps and flickering lights: a new memory hack?

NCT ID NCT07668167

Knowledge-focused Sponsor: Xidian University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jul 02, 2026 · Updated 4 times

Summary

This study tests whether combining 40Hz light, sound, and mild nerve stimulation can improve working memory in healthy adults. Thirty participants will try different combinations of these non-invasive stimulations while their brain activity is recorded. The goal is to understand how these techniques affect brain networks and whether they can enhance cognitive function.

What this could mean

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

What this could lead to
If successful, this could reveal how combining different types of brain stimulation might improve memory or focus.
What could go wrong
This is a small, early-phase study in healthy people, so results may not apply to patients or lead to a treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2026

Expected to finish

Jun 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Healthy adults aged ≥18 years old. * Normal or corrected-to-normal vision and hearing (essential for 40Hz visual and auditory stimulation). * Right-handedness. * Willing to participate in the study and capable of providing written informed consent. Exclusion Criteria: * Personal or family history of epilepsy or seizures (crucial safety criteria for 40Hz flicker and electrical stimulation). * History of any neurological or psychiatric disorders. * Presence of metallic implants in the head, cardiac pacemakers, or other implanted electronic medical devices. * Skin lesions, infections, or hypersensitivity at the eTNS stimulation site (maxillary branch of the trigeminal nerve). * Current use of psychoactive medications or substances that may significantly alter EEG signals or brain state dynamics. * Pregnant or lactating individuals. * Poor sleep quality or irregular sleep-wake cycles prior to the experiment.

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As listed by the trial registrant

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

Healthy participants

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Xidian University

    RECRUITING

    Xi'an, Shaanxi, 71000, China

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