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Brain scan study probes hippocampus role in memory and seeing

NCT ID NCT04562974

Knowledge-focused Sponsor: University Hospital, Grenoble 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed study used MRI scans to watch brain activity in 60 healthy young adults while they performed memory and perception tasks. Researchers focused on the hippocampus, a brain area traditionally linked to memory, to test whether it also handles non-memory tasks like recognizing shapes. The goal was to better understand how the brain organizes different types of information, not to test any treatment.

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

60 people

The number who actually took part.

Started

Sep 2021

Finished

Mar 2022

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: * Affiliation to French Healthcare system * No contraindication to MRI examination * Age between 18 and 35 years-old * Visual acuity permitting normal perception of stimuli or corrected sight Exclusion Criteria: * Existence of a pathology incompatible with the protocol : Heart, respiratory, haematological, caner, neurological disorder... * Brain-modulating medical treatment * Alcohol intake before examination * Uncorrected visual disorder * Cognitive deficit (criterion MMSE \< 27) * People protected by articles L1121-5 to L1121-8 of the CSP (pregnant women, under-18 subjects, people under judiciary or administrative surveillance)

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Conditions

The condition(s) this trial relates to.

Recurrence

As listed by the trial registrant

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

Form perception Memory, episodic

Contacts and locations

Locations

  • Chu Grenoble Alpes

    Grenoble, 38043, France