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Is scrolling social media dulling your brain? a study puts passive vs. active screen time to the test

NCT ID NCT07087236

Knowledge-focused Sponsor: Pontificia Universidad Catolica de Valparaiso 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 28, 2026 · Last updated Jul 29, 2026 · Updated 1 time

Summary

This study investigates how mentally passive activities like watching a reality show or scrolling social media compare to mentally active ones like reading or playing a video game in terms of cognitive load and brain activity. Researchers will measure brain waves, heart rate, eye movements, and self-reported mental effort in healthy children and adults, including those with obesity. The goal is to understand which sedentary behaviors may support or impair cognitive function.

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 it works, this could help clarify which sedentary habits are better or worse for cognitive health, guiding recommendations for daily activities.
What could go wrong
This is a very small, early study with only 8 participants, so results may not apply broadly. It measures short-term effects only, not long-term outcomes.

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 8 people

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

Started

Mar 2025

Expected to finish

Dec 2027

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

5 years and older

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: * Children aged 5 to 17 years, attending school. * Adults aged 18 and above, without an upper age limit. * Participants with and without specific health conditions, such as obesity. * Ability to perform sedentary activities and comprehend instructions. Exclusion Criteria: * Severe visual impairments affecting reading or text visualization. * Use of conventional glasses and history of migraine or epilepsy (due to preventive request for the flicker fusion test) * Current use of medications that significantly influence cognitive function (unless the health condition being evaluated requires it). * Other conditions interfering with cognitive or neurophysiological assessments.

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Conditions

The condition(s) this trial relates to.

Sedentary Behavior

As listed by the trial registrant

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

Cognition Sedentary behaviors

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Pontificia Universidad Católica de Valparaíso

    Viña del Mar, Chile

More trials for these conditions

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