Eye Gaze Strategies During Facial Emotion Recognition in Neurodegenerative Diseases: Links With Neuropsychiatric Disorders (EYE-ToM Study)

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.