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Brain zaps and memory: scientists seek the perfect test

NCT ID NCT05556655

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looks at how a non-invasive brain stimulation technique called TMS affects memory and thinking. Researchers want to find the best way to measure these effects. About 100 healthy, right-handed adults who speak English will take part. This is a research study, not 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 100 people

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

Started

Apr 2023

Expected to finish

Jan 2028

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 to 65 years

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: * Right-handed * Fluent in English Exclusion Criteria: * History of seizures or epilepsy * Family history of epilepsy * Significant medical or neurological diagnoses * History of common headache or migraine * History of common or recent syncope * History of moderate/severe, multiple mild, or past 12 months head injury * History of psychiatric, psychological, or neurodevelopmental disorder * History of alcohol or recreational drug abuse or dependence * Current visual or hearing difficulties that interfere with cognitive testing * History of cochlear implants * Current pregnancy * History of metal in the head or neck (except braces and fillings) * Current non-removable piercings in the neck or head * History of implanted neurostimulator * History of cardiac pacemaker or intracardiac lines * History of medication infusion device * Current use of medications that increase the excitability of the brain * History of problems with TMS or MRI procedures * History of EEG for suspected epilepsy * Alcohol or recreational drug use in the 48 hours prior to TMS * Inadequate sleep in the 48 hours prior to TMS * Headache or feeling faint in the 24 hours prior to TMS.

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As listed by the trial registrant

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

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

  • Colorado State University Department of Psychology

    RECRUITING

    Fort Collins, Colorado, 80523, United States

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