UnconsciousnessConsciousnessPropofolAnesthetics, IntravenousDelayed Emergence from AnesthesiaElectroencephalographyAnesthesia, GeneralConsciousness DisordersAnesthesiaPhysostigmineMonitoring, IntraoperativeEvoked Potentials, AuditoryCell DeathMethyl EthersAnesthetics, InhalationHypnotics and SedativesCause of DeathAnestheticsElectrooculographyEntropyIsofluraneCraniocerebral TraumaWakefulnessBrainDeathCholinesterase Inhibitors