Eye-Tracking reveals hidden attention differences in facial palsy

NCT ID NCT04886245

Knowledge-focused Sponsor: Centre Hospitalier Universitaire, Amiens Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study uses eye-tracking technology to see how people with facial palsy pay attention to faces with abnormal movement, compared to healthy volunteers. Researchers want to understand if patients focus differently on the affected side of the face. The goal is to learn more about how facial palsy affects visual attention, not to provide treatment.

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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 60 people

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

Started

May 2021

Expected to finish

Jul 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

18 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: * for patient with facial paralysis: * Patient with peripheral facial palsy, irrespective of grade, whether or not previously treated * Patient providing written informed consent * Patient aged ≥ 18 years * Patient affiliated to a social security system * for Healthy voluntary subject : * Subject without major facial sequelae * Subject who provided written informed consent * Major subject ≥ 18 years old * Subject affiliated to a social security system Exclusion Criteria: * for Patient with facial paralysis: * Patient with recent peripheral facial palsy whose total recovery is possible * Patient unable to provide written informed consent * Patient with difficulties to follow instructions and especially to stand in front of a computer screen * Minor patient \<18 years * Patient under guardianship or curators or judicial safeguard * for Healthy voluntary subject : * Subject with major facial sequelae * Subject not able to provide written informed consent * Subject presenting difficulties in following instructions and in particular in standing still in front of a computer screen * Minor subject \< 18 years old * Subject under guardianship or curators or judicial safeguard

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Conditions

The condition(s) this trial relates to.

Bell's palsy facial paralysis

As listed by the trial registrant

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

Eye tracking Facial palsy

How to take part

Only the study team decides who joins. These are the ways to reach them.

The places running it

1 site. The list below names each one and where it is.
The official record

ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

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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.

Eye-Tracking reveals hidden attention differences in facial palsy

What the study statuses mean