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Tired brain, weak arms? study tests mental fatigue on physical performance

NCT ID NCT07645404

Knowledge-focused Sponsor: Izmir Bakircay University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 2 times

Summary

This study looks at whether mental fatigue can hurt upper body physical performance in healthy adults. Sixteen participants will do cognitive tasks to get mentally tired, then perform arm and shoulder tests. The goal is to see if mental tiredness changes how well people do on these physical tests, which could help doctors and trainers interpret results better.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
mental fatigue induced by a prolonged Stroop task
What this could lead to
If it works, this could help clinicians and coaches understand how mental tiredness affects upper body test results in sports and rehab settings.
What could go wrong
This is a very small, early-stage study with only 16 healthy adults, so findings may not apply to athletes or patients. Mental fatigue is hard to measure precisely.

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 16 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

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 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: * Age between 18 and 35 years * Healthy (no neurological, cardiovascular or musculoskeletal disorders of any kind) * Male or female * No prior knowledge of the concept of mental fatigue * Not currently taking medications that affect cognition or neuromuscular performance * According to the International Physical Activity Questionnaire, being physically active at a minimum level of 1500 MET-min/week Exclusion Criteria: * Previous major upper limb injury (last 6 months) * Involvement in another concurrent physical or cognitive intervention study * Use of caffeine and heavy efforts 24 hours prior each trial * Suffering from colour vision deficiencies * Not eating a standardized meal, the morning of each trial and the evening before each trial

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Conditions

The condition(s) this trial relates to.

Mental Fatigue

As listed by the trial registrant

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

Mental fatigue

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

  • Vrije Universiteit Brussel

    Brussels, Pleinlaan 2, 1050, Belgium

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