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Brain zapping study reveals secrets of Self-Control

NCT ID NCT04247334

Knowledge-focused Sponsor: Butler Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at how the brain controls impulses in 117 healthy young adults. Researchers used a mild brain stimulation technique to temporarily change brain activity and measured the effects with brain scans. The goal was to better understand the brain circuits involved in self-control, which could eventually lead to improved treatments for conditions like addiction, OCD, and ADHD.

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

117 people

The number who actually took part.

Started

Nov 2019

Finished

Feb 2024

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 25 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: 1. Low (\<1sd below the mean on the BRIEF-Inhibit) or high (\>1sd above the mean on BRIEF-Inhibit scale) 2. English fluency to ensure comprehension of study measures and instructions. Exclusion Criteria: 1. Presence of medical conditions contraindicated for tDCS, including history of any known intracranial pathology, epilepsy or seizures, traumatic brain injury, brain tumor, stroke, implanted medical devices, current pregnancy or women of childbearing age not using effective contraception, or any other serious medical conditions or health problems that would interfere with participation (e.g., skin condition) 2. Inability to undergo MRI 3. Current substance abuse disorder 4. Currently prescribed psychiatric medications. 5. Active mania or psychosis

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As listed by the trial registrant

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

Young adults

Contacts and locations

Locations

  • Butler Hospital

    Providence, Rhode Island, 02906, United States

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