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Brain scans reveal link between logic and math in kids

NCT ID NCT03059758

Knowledge-focused Sponsor: Hospices Civils de Lyon Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study used brain scans (fMRI) to see how children aged 8 to 14 use deductive reasoning—like logical thinking—and how that relates to their math skills. Researchers measured brain activity while kids solved reasoning problems and compared it to their math test scores. The goal was to find which brain areas support math learning through reasoning.

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

137 people

The number who actually took part.

Started

Apr 2015

Finished

Dec 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

8 to 14 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: * Girl or boy between 8 and 14 * Right-handed * Affiliated to the French social security * Whose parents gave informed consent Exclusion Criteria: * Neurological disorders * Psychiatric disorders * Birth complications requiring admission into neonatal intensive care unit * Medication affecting central nervous system processing * Significant hearing impairment * Uncorrected visual impairment * Non-native French speaker * Contraindications for MRI

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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

  • CH le Vinatier

    Bron, 69678, France

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