UnconsciousnessBrain IschemiaConsciousnessPropofolAnesthetics, IntravenousIschemiaDelayed Emergence from AnesthesiaElectroencephalographyAnesthesia, GeneralBrainMyocardial IschemiaReperfusionIschemic Attack, TransientConsciousness DisordersReperfusion InjuryGerbillinaeAnesthesiaPhysostigmineMonitoring, IntraoperativeNeuroprotective AgentsAnesthetics, InhalationMethyl EthersEvoked Potentials, AuditoryInfarction, Middle Cerebral ArteryHypnotics and SedativesBrain ChemistryIsofluraneAnestheticsTime FactorsBrain InfarctionElectrooculographyBrain InjuriesBrain EdemaRats, Sprague-DawleyIschemic PreconditioningDisease Models, AnimalCerebrovascular CirculationEntropyMagnetic Resonance ImagingCraniocerebral TraumaRats, WistarCerebral InfarctionWakefulnessCerebral CortexNeuronsBrain NeoplasmsHippocampusDose-Response Relationship, DrugHypoxia-Ischemia, BrainMiddle Cerebral ArteryMenispermumCholinesterase InhibitorsBrain MappingHypoxia, BrainHypothermia, InducedCell DeathBlood-Brain Barrier