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Eye-Tracking reveals how dementia patients see emotions differently

NCT ID NCT04748263

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study used eye-tracking to see how people with Alzheimer's, Parkinson's, or frontotemporal dementia look at faces when trying to recognize emotions. Researchers compared their eye movements to healthy adults. The goal was to understand if different visual strategies explain social difficulties in these diseases.

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.

Participants

74 people

The number who actually took part.

Started

Jul 2015

Finished

Nov 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.

Who is studied

Patient 45 years old and above healthy or with FTD, AD or PD pathology

Ages

45 years and older

Sex

Anyone

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: * Hospitalized or coming to perform a consultation, for whom an Eye-Tracking examination is indicated as part of routine care. * Sufficient written and oral expression in French. * Written informed consent signed by the patient. * For the control group: No cognitive impairment (non pathological MMSE (according to age, gender and socio-cultural level), no neurological history, and no psychiatric history (especially anxiety and depressive disorders). * For the FTD group: Patient diagnosed according to revised Rascovsky et al. 2011., no neurological history (excepted diagnosed FTD), and no psychiatric history (excepted those related to diagnosed FTD). * For the AD group: Patient diagnosed according to DSM-IV-TR criteria, no neurological history (excepted diagnosed AD), and no psychiatric history (excepted those related to diagnosed AD). * For the PD group: Patient diagnosed according to NINDS criteria, no neurological history (excepted diagnosed PD), and no psychiatric history (excepted those related to diagnosed PD). Exclusion Criteria: * General anaesthesia within 3 months. * Ophthalmological problems preventing a video-oculography examination. * Oculomotor disorders such as "fixation disorders" or "ocular tracking disorders". * Cognitive disorders of the type: visual agnosia, visuo-spatial disorder, visuo-perceptual disorder or aphasia. * History of stroke. * History of alcohol or drug abuse.

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Conditions

The condition(s) this trial relates to.

Alzheimer disease frontotemporal dementia Parkinson disease

As listed by the trial registrant

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

Alzheimer's dementia Fronto-temporal dementia Parkinson disease (PD)

More trials for these conditions

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