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Can a tired brain weaken your jump?

NCT ID NCT07754604

Knowledge-focused Sponsor: Inonu 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time

Summary

This study asks whether the length of time spent on a mentally demanding task changes brain activity and explosive leg power. Twelve healthy young men who exercise regularly will perform a challenging attention task for 10, 15, or 30 minutes, or watch a calm nature documentary. Before and after each session, their brain activity is measured with EEG, and they perform a countermovement jump to test leg power. The goal is to see if longer mental fatigue leads to greater changes in brain and jump performance, which could help athletes and students understand how mental tiredness affects physical activity.

What this could mean

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

Active substance
Behavioral interventions: Stroop color-word task (10, 15, or 30 minutes) to induce mental fatigue, and a nature documentary as a control condition.
What this could lead to
If longer mental fatigue impairs jump performance, this could inform athletes and coaches about optimal rest and training schedules.
What could go wrong
This is a small, early-stage study with only 12 participants, so results may not apply broadly. The effects may be subtle or inconsistent.

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

12 people

The number who actually took part.

Started

May 2026

Finished

Aug 2026

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 30 years

Sex

Male participants only

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: * Healthy male volunteers aged 18-30 years * Enrolled in the Faculty of Sport Sciences at İnönü University * Engaged in structured exercise at least three days per week * Free of any neurological, psychiatric, cardiovascular, or musculoskeletal disorder * Normal or corrected-to-normal vision * Physically capable of completing the experimental protocol safely Exclusion Criteria: * Diagnosed neurological, psychiatric, cardiovascular, or musculoskeletal disorder * Lower-limb injury within the preceding 6 months * Use of medication known to affect central nervous system function * Prior diagnosis of a sleep disorder * Uncorrectable visual impairment or any disturbance of color perception * Cognitive or sensory limitation likely to interfere with performance of the Stroop task * Failure to complete a session in full, non-compliance with investigator instructions during testing, inability to produce an EEG recording of analyzable quality for technical reasons, or discontinuation of the experimental procedure for any reason * Non-compliance with pre-session restrictions (vigorous physical exercise or alcohol consumption within 24 hours before each session; caffeine, energy drinks, or other stimulant substances within 12 hours before each session)

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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.

Athletic performance Cognitive-motor interaction Mental fatigue

Contacts and locations

Locations

  • İnönü University, Faculty of Sport Sciences

    Malatya, 44280, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.