Brain IschemiaCerebral InfarctionBrain EdemaCerebrovascular CirculationIschemic Attack, TransientBrainStrokeCerebral ArteriesCerebral PalsyMiddle Cerebral ArteryCerebral AngiographyInfarction, Middle Cerebral ArteryMalaria, CerebralCerebral VeinsCerebral HemorrhageAnterior Cerebral ArteryCerebral Amyloid AngiopathyMagnetic Resonance ImagingPosterior Cerebral ArteryCerebral VentriclesSubarachnoid HemorrhageCerebrovascular DisordersBlood Flow VelocityIntracranial Embolism and ThrombosisBrain DiseasesDominance, CerebralIntracranial PressureIntracranial AneurysmCerebral RevascularizationCerebrumVasospasm, IntracranialHypoxia, BrainNeuroprotective AgentsTomography, X-Ray ComputedXenon RadioisotopesCarbon DioxideBasilar ArteryRats, Sprague-DawleyTime FactorsDisease Models, AnimalPia MaterOxygenBlood-Brain BarrierSpectroscopy, Near-InfraredReperfusionTomography, Emission-ComputedBlood PressureRegional Blood FlowBlood VolumeMagnetic Resonance AngiographyIntracranial ThrombosisNeuronsBrain InfarctionTechnetium Tc 99m ExametazimeIntracranial Arteriovenous MalformationsArterial Occlusive DiseasesAcetazolamideBrain ChemistryCircle of WillisToxoplasmosis, CerebralBrain InjuriesRats, WistarElectroencephalographyXenonOximesHypercapniaTomography, Emission-Computed, Single-PhotonNeurologic ExaminationReperfusion InjuryMicrocirculationIofetamineAneurysm, RupturedSinus Thrombosis, IntracranialOxygen ConsumptionCatsArteriolesImage Processing, Computer-AssistedHypothermia, InducedNimodipineCerebral Small Vessel DiseasesHomeostasis