Emotional and Neutral Sounds for Neurophysiological Prognostic Assessment of Critically Ill Patients With a Disorder of Consciousness

Inclusion Criteria: * patients hospitalized in ICU for cardiac arrest, stroke, subarachnoid haemorrhage or head trauma, * persistent disorder of consciousness (DoC) 12 hours after sedation weaning or patient who has benefited from a prognostic assessment for persistent DoC and who has had in this assessment an evaluation by late PEA with MMN and P300 responses only to neutral sounds ("beep" and patient's first name pronounced by an unfamiliar voice) there is more than 6 months (since April 2022) Exclusion Criteria: * Moribund patient * Uncontrolled Shock during the neurophysiological evaluation * Sedated patient * Minor patient * brain death * Known deafness * Pregnant woman * Prior inclusion in the study * Patient not affiliated to a social security system * Implementation of limitations and stop of active therapies * Patient under legal protection * Patient benefiting from State Medical Aid