Inclusion Criteria:  Hospitalised or ambulatory patients Suffering mild to severe depression, according to PHQ-9 (Patient Health Questionnaire-9) score ⩾ 5 [11]. Ability to understand the protocol. Signed consent of the participant regarding the given information. Subscription to the social security system.  Exclusion Criteria:  Walking disability (including walking with human help required). Severe cognitive impairment diagnosed with MMSE (Mini Mental State Examination) score <18 within the last three months. Historical or current schizophrenia diagnosis recorded on the medical file. Historical or current neurological disease recorded on the medical file : Neurodegenerative disorders, stroke, epilepsy. Patients under guardianship or trusteeship.