ConsciousnessConsciousness DisordersUnconsciousnessPersistent Vegetative StatePropofolAnesthetics, IntravenousComaInjections, IntravenousInfusions, IntravenousElectroencephalographyFentanylAnesthesia, GeneralAnesthesia, IntravenousAndrostanolsAnesthesia Recovery PeriodAtracuriumAnesthesiaAnalgesia, Patient-ControlledVecuronium BromideDose-Response Relationship, DrugAnalgesics, OpioidDrug Administration ScheduleTime FactorsAlfentanilPain, PostoperativeConsciousness MonitorsThiopentalHalf-LifeDouble-Blind MethodAwarenessNitrous OxideAnalgesia, EpiduralPhilosophyMidazolamGlasgow Coma ScaleInfusions, ParenteralNeuromuscular BlockadePsilocybineAnesthetics, LocalHemodynamicsAnesthetics, InhalationIntubation, IntratrachealBrainPiperidinesUnconscious (Psychology)PirinitramideMetabolic Clearance RateBlood PressureHuman DevelopmentHeart RateTreatment OutcomeTramadolHypnotics and SedativesSyncopePulse Therapy, DrugAnalgesia, ObstetricalAnesthesia, SpinalBupivacaineNeuromuscular Blocking AgentsProspective StudiesMagnetic Resonance ImagingArea Under CurveAnesthesia, InhalationSufentanilAdministration, OralMorphinePhilosophy, MedicalSeizuresNerve BlockMonitoring, IntraoperativeCraniocerebral TraumaDrug EvaluationDrug InteractionsAmidesRats, Sprague-DawleyConscious SedationEpilepsy, Tonic-ClonicTomography, X-Ray ComputedThalamusMagnesium SulfateBrain InjuriesEpilepsy, Complex PartialIsoquinolinesDreamsComa, Post-Head InjuryWakefulnessModels, BiologicalMethyl EthersNeuromuscular JunctionDogsExistentialismPain MeasurementCerebral HemorrhageSyncope, VasovagalBiological AvailabilityDeep SedationChromatography, High Pressure LiquidHeadacheBrain ConcussionAmnesia