Inclusion Criteria:  Diagnosis of Major Neurocognitive Disorder according to DSM 5 With agitation and NPI agitation item score of 4 or more (frequency X severity) Information and verification of the non-opposition of the patient and his guardian / curator if he is under legal protection.  Exclusion Criteria:  Patient under court protection Inability to understand the French language Patient whose state of health is not stabilised at the time of inclusion and/or in palliative care