Inclusion Criteria:
The following subjects will be included and classified as " patients " :
- Age > 70 years
- With established diagnosis of Alzheimer's disease as defined by DSM IV
- With MMSE score ≥ 24 (early-stage Alzheimer's disease)
- Holder of a valid driving license
- With regular driving activity (drives at least once per week)
- Informed consent provided.
The following subjects will be included and classified as " controls " :
- Age > 70 years,
- Absence of cognitive impaired that interferes with their daily life at initial evaluation,
- Holder of a valid driving license,
- With regular driving activity (drives at least once per week),
- Informed consent provided.
Exclusion Criteria:
- Dementia syndrome(s) other than Alzheimer's disease,
- MMSE score < 24
- Informed consent not provide