Inclusion Criteria:  Have been the victim of a serious head trauma (initial glasgow ≤ 8 and / or admitted to neurosurgical resuscitation for less than 3 months Admitted to Neurosurgical Resuscitation at Pitié-Salpêtrière Aged 18 to 70 Good written and oral comprehension of the French language Glasgow score = 15 at the time of inclusion and able to say no to opposition Patient information and not opposition  Exclusion Criteria:  Severe comprehension disorders History of vesico-sphincteric disorders before TC Neurological and psychiatric history Patient not affiliated to a social security scheme or entitled Patient under guardianship / curators Patient under AME