The Monument Test : A New Tool for Assessing the Ability to Name and Identify Unique Entities. (TeDIMO)

Inclusion criteria : * Alzheimer's disease: * Age ≥ 50 years and older * Possible or probable diagnosis of Alzheimer's disease according to the revised criteria of Mac Khann et al., 2011. * Score 18≤ MMSE ≤26 * Controls: * Age ≥ 50 years and older * MMSE score ≥ 26 For all subjects * No objection from the participant Exclusion criteria * Alzheimer's disease: * Persons referred to in Articles L1121-5 to L1121-8 of the CSP * Controls: * Memory complaints * Persons referred to in Articles L1121-5 to L1121-8 of the CSP For all subjects * Significant neurological or psychiatric history * Taking psychotropic medication (neuroleptics) * Poor command of the French language, comprehension difficulties * Significant hearing or visual impairments (diplopia, nystagmus, scotoma, etc.) * Insufficient exposure to the media and/or socio-cultural knowledge (questionnaire) ; Deficit in face recognition (Benton Face Recognition Test)