Electrophysiological Signatures of Cognitive Disorders Related to Intensive Care Unit (ICU) delirium_ BRAINSTORM-EEG

The 2 groups will be assessed twice : in the acute phase of acute respiratory distress syndrome (ARDS) at patient's bedside in the intensive care unit (ICU) using an mEEG battery (electrophysiological acquisition at rest and during complex cognitive stimulation), and a simple clinical neuropsychological assessment ; 6 months ± 2 weeks later using the same mEEG battery and a multi-domain clinical neurocognitive and psychological assessment battery