Can virtual reality boost brainpower in depressed seniors?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients aged 70 or over; * Patient with a characterized depressive episode as assessed by the GDS (Score \> 13 at inclusion); * Patient with a minimum MMS score of 23/30 at inclusion; * Patient affiliated to or benefiting from a social security scheme; * Patient having received information on the protocol and having given free, informed and written consent. Exclusion Criteria: * Patients suffering from epilepsy; * Patients suffering from inner ear disorders; * Patients with balance disorders or postural instability; * Patients with swallowing disorders requiring mixed feeding; * Patients suffering from migraines; * Patients with major sensory deficits (visual or auditory); * Patients suffering from eye pathologies or abnormalities, and whose condition strictly contraindicates virtual reality; * Patients suffering from oculo-motor disorders; * Patients with sensory-motor deficits affecting the upper limb(s) that prevent them from performing the tasks required during VR sessions; * Patients suffering from primary neuropathic disorders or secondary to metabolic pathologies; * Patients suffering from acute psychiatric decompensation that makes it impossible for them to cooperate with the sessions (opposition, agitation, acute delusions, hallucinations, panic attacks); * Patients with uncontrolled cardiac pathology (angina, heart failure, rhythm disorders, conduction disorders); * Patients with uncontrolled hypertension (SBP \> 140 mmHg and DBP \> 90 mmHg in patients with traited hypertension); * Patients with implanted medical devices (pacemakers, defibrillators, etc.); * Patients under legal protection (guardianship) or deprived of liberty. * Patients who do not speak or read French fluently, unable to understand the principle of the study questionnaires and unable to cooperate with the tests.