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Tiny eye movements reveal secrets of Brain's attention network

NCT ID NCT03112408

Knowledge-focused Sponsor: Hospices Civils de Lyon 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This completed study looked at how the brain adapts eye movements and how that relates to visual perception and attention. Researchers studied 24 people, including healthy adults and those with cerebellar disease. Participants performed specific eye movement tasks while researchers measured changes in perception and attention. The goal was to better understand the role of the cerebellum in coordinating these processes.

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

24 people

The number who actually took part.

Started

Sep 2018

Finished

Oct 2020

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 80 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: * Age : from 18 to 80 ans included * Visual acuity monocularly at distance and near corrected : \> 5/10 * Possible understanding of experimental guidelines * Possible respect for sustained seated position * Subject covered by social security * Agreement of the subject Inclusion Criteria, specific to Axe 1: * Cerebellar patients - Cerebellar degenerative disease (group A) or stroke (group B, délai depuis l'AVC : delay from the stroke : at least 1 month) * Scanner or MRI showing diffuse atrophy (group A) or focal cerebellar lesion (group B) * Healthy subjects * Absence of known ophtalmological or neurological pathology Inclusion Criteria, specific to Axe 2: * Stroke patients - ischemic or hemorrhagic stroke * Encephalic MRI or CT scan showing an unique lesion * Minimal delay of one year after the stroke Exclusion Criteria: * Visual acuity monocularly \< 5/10 * Language disorder restricting oral and reading comprehension of the study * Severe disability limiting the maintenance of sitting position and concentration capacities for a period of 30 minutes consecutive * Poor French language skills * Non-stabilized medical condition * Psychotropic medication intake * Pregnant and / or nursing women * Subject under guardianship or curatorship * Subject frequently in healthcare or social care for purposes other than research * Subject deprived of liberty by a judicial or administrative decision Exclusion Criteria, specific to Axe 1: • Cerebellar patients \- Disorders prohibiting the correct performance of the task (tremor, ocular instability) Exclusion Criteria, specific to Axe 2: • Stroke patients * Hemianopsia homonima lateral * Neurological degenerative disease

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Conditions

The condition(s) this trial relates to.

cerebellar degeneration cerebellar disorder hemorrhagic stroke ischemic stroke stroke disorder

As listed by the trial registrant

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

Cerebellum disease

Contacts and locations

Locations

  • Hospices Civils de Lyon

    Bron, 69500, France

More trials for these conditions

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