Precision Medicine in Alzheimer's Disease : Integration of Resilience Metrics and Risk Factors - Validation Cohort BioCogBank-AD

Inclusion Criteria: * Diagnosis of AD according to IWG-2 2014 criteria * Age 50-90 year old * Affiliated or beneficiary of a social security scheme * MMSE ≥ 20 * Abnormal CSF Aβ42 or Aβ40/Aβ42 ratio according to local cut-offs * Abnormal CSF phosphorylated and total Tau according to local cut-offs * Ability to pass neuropsychological assessments * Availability of a brain MRI with T1 volumetric sequence performed within 1 year Exclusion Criteria: * Other cause of dementia * Participation in an AD therapeutic clinical trial * Protected adults (including individual under guardianship by court order),