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Scientists scan brains to predict when You'll hit a wall

NCT ID NCT03233282

Knowledge-focused Sponsor: Hospices Civils de Lyon 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed study used non-invasive brain scans (EEG and MEG) to identify electrical signals linked to mental and physical tiredness in 169 healthy adults. Participants performed tasks designed to cause cognitive or physical fatigue while their brain activity was recorded. The goal was to find markers that could one day help predict performance drops in everyday life.

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 research could help develop ways to predict or monitor fatigue in real-world settings like work or sports.
What could go wrong
This is an observational study in healthy volunteers, not a treatment trial. The findings may not apply to people with medical conditions or lead to direct benefits.

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

169 people

The number who actually took part.

Started

May 2013

Finished

May 2018

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 70 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 MGPFco group: * Adult subjects, male or female, right-handed or left-handed, from 18 years up to 70 years; * Having duly completed the entire confidential medical questionnaire; * Written consent of free, informed and express participation; * No hearing problems; * Having normal or corrected vision; * Affiliation to a Social Security scheme. Inclusion Criteria MGPFph group: * Adult subjects, male or female, right-handed or left-handed, from 18 years up to 35 years; * Practicing at least five hours of sports per week; * Presenting a certificate of no contraindication to an exercise test, intense sports practice or an energy sport in competition of the current year; * Having duly completed the entire confidential medical questionnaire; * Without cardiovascular or motor disability; * Without tumoral, inflammatory, cardiac, pulmonary, renal, digestive (malabsorption syndrome) or liver disease; * Written consent of free, informed and express participation; * Affiliation to a Social Security scheme. Exclusion Criteria: * Pregnant women, nursing mothers or those of childbearing age without contraception * Persons under guardianship, curatorship or any other administrative or judicial measure of deprivation of liberty or of liberty * Persons protected by the law * Persons who have performed a maximum stress test within 15 days of the date of inclusion, * In the course of drug treatments against indicated for the protocol (treatment for neurological diseases, psychiatric ...). * Metal implants incompatible with MRI (for the subjects concerned, see appendices) * Metallic implants incompatible with the MEG (for the subjects concerned, see appendices)

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As listed by the trial registrant

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

Healthy

Contacts and locations

Locations

  • Hospices Civils de Lyon, HFME

    Bron, 69500, France

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