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Brain scans reveal how collective memory rewires individual recall

NCT ID NCT02542800

Knowledge-focused Sponsor: Institut National de la Santé Et de la Recherche Médicale, France Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 fMRI brain scans to understand how shared cultural memories (like collective knowledge of World War II) influence the way individuals form and retrieve their own memories. Twenty-six healthy French adults performed memory tasks while in the scanner, focusing on images from the Caen Memorial. The goal was to identify brain regions that organize collective knowledge and see how they interact with the hippocampus during memory recall.

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

26 people

The number who actually took part.

Start date

Sep 2015

Finished

Jun 2017

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

20 to 38 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: * Healthy participants between 20 and 38 years old * Affiliated to the French national health care system * French native speaker * Having not visited the Memorial of Caen for the past four years * Right-handed * At least 2 years of education after graduating from high school * Body mass \< 30kg/m2 * Signed written consent form Exclusion Criteria: * Pregnancy or intent to get pregnant * Person deprived of their liberty * Person hospitalized without consent * Minor * Protected adults or people unable to give informed consent * Person subjected to an exclusion period related to another protocol * History of neurological or psychiatric disorders or existence of traumatic brain injury with loss of consciousness for more than one hour * History of cancer with the last 5 years, excluding squamous cell carcinomas * Alcoholism, antecedents of chronic alcoholism or drugs abuse * Severe psychiatric disorders (according to DSM V diagnostic criteria) or psychological troubles which could affect participant's judgment * Use of medication that may interfere with cognitive or cerebral functioning * Presence of visual or hearing troubles that may compromise participant's ability to participate in the study * MRI Contraindications

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As listed by the trial registrant

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

Episodic memory

Contacts and locations

Locations

  • GIP Cyceron

    Caen, 14074, France

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