Inclusion Criteria:  Patients ⩾ 18 years; Admitted to a neurological post intensive care rehabilitation unit for the first time; Hospitalized in ICU before being admitted to PICRU for a for traumatic brain injury (initial Glasgow coma scale < 14 and brain radiological abnormalities at the time of admission to ICU and / or a traumatic spinal cord injury (para- or tetraplegia with at least half of key muscles of the 2019 ISNCSCI classification with a strength of less than 3 below the neurological level of the injury at the time of admission to PICRU); Patient's written consent obtained (or from an authorized relative); Affiliation to a social security scheme.  Exclusion Criteria:  History of moderate or severe traumatic brain injury; History of spinal cord injury (para- or tetraplegia); History of stroke or disabling neurological disease; History of hospitalization in neurological or neurosurgical or traumatological ICU for another reason; Breast-feeding or pregnancy; Under court protection.