Death by neurologic criteria, commonly referred to as brain death, occurs in individuals who have sustained catastrophic brain injury, with no evidence of function of the brain as a whole, a state that must be permanent.
(Greer et al., [2023]. Neurology. Pediatric and Adult Brain Death/Death by Neurologic Criteria Consensus Guideline Report of the AAN Guidelines Subcommittee, AAP, CNS, and SCCM, Pediatric and Adult Brain Death/Death by Neurologic Criteria Consensus Guideline Report of the AAN Guidelines Subcommittee, AAP, CNS, and SCCM. 101(24), 1112-1132. doi.org/10.1212/WNL.0000000000207740). (Alliance Glossary, June 2026)