UnconsciousnessConsciousnessPropofolAnesthetics, IntravenousDelayed Emergence from AnesthesiaElectroencephalographyAnesthesia, GeneralConsciousness DisordersAnesthesiaPhysostigmineMonitoring, IntraoperativeEvoked Potentials, AuditoryMethyl EthersAnesthetics, InhalationHypnotics and SedativesAnestheticsElectrooculographyEntropyIsofluraneCraniocerebral TraumaWakefulnessBrainCholinesterase Inhibitors