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Scientists map brain wiring in healthy volunteers

NCT ID NCT06246942

Knowledge-focused Sponsor: Massachusetts General Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how different areas of the brain communicate in healthy adults. Researchers use a safe, non-invasive technique called transcranial magnetic stimulation (TMS) along with EEG and MRI to measure brain activity. The goal is to better understand brain connectivity, not to treat any disease. Eighty healthy volunteers aged 18 to 64 will take part.

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 80 people

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

Started

Dec 2024

Expected to finish

Apr 2027

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 64 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: * Age from 18 to 64 years * Right-handed * Normal hearing and (corrected) vision * Able to understand and give informed consent Exclusion Criteria: * Cardiac pacemaker or pacemaker wires; neurostimulators; implanted pumps * Metal in the body (e.g., rods, plates, screws, shrapnel, dentures that cannot be removed during the recordings, IUD) * Suspected metallic particles in the eye * Surgical clips in the head or previous neurosurgery * Any magnetic particles in the body * Cochlear implants * Prosthetic heart valves * Epilepsy or any other type of seizure history * Any neurological diagnoses or medications influencing brain function * History of significant head trauma (i.e., extended loss of consciousness, neurological sequelae) * Known structural brain lesion * Significant other disease (heart disease, malignant tumors, mental disorders) * Significant claustrophobia; Ménière's disease * Pregnancy (ruled out by urine ß-HCG if answers to screening questions suggest that pregnancy is possible), breast feeding * Non prescribed drug use * Failure to perform the behavioral tasks or neuropsychological evaluation tests * Prisoners

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As listed by the trial registrant

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

Healthy

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

  • Massachusetts General Hospital

    RECRUITING

    Boston, Massachusetts, 02129, United States

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