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Scientists zap brains to unlock secrets of balance

NCT ID NCT01779752

Knowledge-focused Sponsor: Institut National de la Santé Et de la Recherche Médicale, France 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 used a technique called transcranial magnetic stimulation (TMS) to temporarily quiet specific brain areas in 17 healthy adults. The goal was to see how these areas affect the reflex that keeps your eyes steady when you move your head. The research helps us understand which parts of the brain control balance and spatial orientation, but it does not test a treatment or cure.

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.

Participants

17 people

The number who actually took part.

Started

Jan 2013

Finished

Jan 2016

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Who is studied

Healthy Subjects

Ages

20 to 35 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: * Male and/or female healthy volunteers between 20 and 35 years old. * Considered healthy subject after medical examination and MRI images analysis * With social security affiliation * After informed and voluntary consent to participate to the study (signed written consent) * With normal ocular responses with a gain not less than 0.5 during preliminary VOR registration. Exclusion Criteria: * Persons under guardianship, curatorship or any other administrative or judicial deprivation of rights and freedom * Persons with a medical history, or any acute or chronic disease which may affect the test results, or creating a risk to the subject in the protocol, in particular: * with personal or family history of seizure disorders * with previous or current psychiatric disease or schizotypal signs (RISC questionary) * with previous or current neurology or otology (audition or equilibrium) history * with visual corrected visual acuity inferior to 8/10 * having taken hypnotics, psychotropic or other central nervous system depressants (opiates, barbiturates, antiepileptics, antidepressants, sedatives, antihistamines, anxiolytics, neuroleptics, clonidine and related) during the 8 months prior to experimentation * consuming more than 150 mg of caffeine per day (15 small cups of Italian coffee) * with a contra-indication for MRI: pacemaker or neural surgical clips ferromagnetic and metallic implants, intraocular foreign bodies, claustrophobia * pregnancy (diagnosed by a urine test)

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As listed by the trial registrant

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

Cortical organisation of vestibular integration

Contacts and locations

Locations

  • INSERM U846 18 Avenue Doyen Lépine 69500-BRON

    Lyon, France