IsofluraneAnesthetics, InhalationHalothaneAnesthesia, InhalationEnfluraneMethyl EthersBrain ChemistryBrain InjuriesBrain NeoplasmsAnestheticsBrain MappingNitrous OxideBrainBrain IschemiaBrain EdemaAnesthesiaEthersBrain StemRats, Sprague-DawleyDose-Response Relationship, DrugAnesthetics, IntravenousPropofolMagnetic Resonance ImagingAnesthetics, GeneralNeuronsXenonDogsAnesthesia, GeneralHemodynamicsBrain AbscessElectroencephalographyCerebral CortexFentanylAnesthesia Recovery PeriodHypoxia, BrainCerebrovascular CirculationBlood-Brain BarrierTime FactorsBlood Gas AnalysisMethoxyfluraneDepression, ChemicalHippocampusRats, WistarNeuroprotective AgentsThiopentalDrug InteractionsPentobarbitalIntracranial PressureIschemic Preconditioning, MyocardialEtherBrain Damage, ChronicPulmonary AlveoliMice, Inbred C57BLOxygenAnesthetics, CombinedBlood PressureIschemic PreconditioningBrain InfarctionDisease Models, AnimalAnimals, NewbornKetamineImage Processing, Computer-AssistedNerve Tissue ProteinsHeartPartial PressureHeart RateCarbon DioxideDeep Brain StimulationBehavior, Animal