OxygenMagnetic Resonance ImagingOxygen ConsumptionReactive Oxygen SpeciesBrain MappingOximetryImage Processing, Computer-AssistedBrainOxygen Inhalation TherapyHemoglobinsCerebrovascular CirculationPartial PressureCarbon DioxideOxyhemoglobinsAnoxiaBlood Gas AnalysisSinglet OxygenBoidaeUrological AgentsRestVisual CortexDivingPhotic StimulationGyrus CinguliDiphosphoglyceric AcidsEcho-Planar ImagingTomography, OpticalImage Interpretation, Computer-AssistedApneaNerve NetCerebral CortexTime FactorsFrontal LobeReproducibility of ResultsOxygen IsotopesSpectroscopy, Near-InfraredArtifactsPrefrontal CortexEvoked Potentials, VisualSomatosensory CortexElectroencephalographyHypercapniaPerfusion ImagingHemodynamicsCuesNeural PathwaysPsychomotor PerformanceHydrogen-Ion ConcentrationSensitivity and SpecificityFunctional NeuroimagingHeart RateLimbic SystemFunctional LateralityDominance, CerebralImage EnhancementHyperbaric OxygenationAnalysis of VarianceOccipital LobeParietal LobeEquipment DesignNeuropsychological TestsAttentionEvoked Potentials, SomatosensoryReaction TimeHematocritVisual PerceptionBlood Flow VelocityModels, NeurologicalAnesthesiaSignal Processing, Computer-AssistedModels, CardiovascularMotor CortexRegional Blood FlowRespiratory InsufficiencySpectrum AnalysisArousalOxidation-ReductionAmygdalaHydrogen PeroxidePattern Recognition, VisualRats, Sprague-DawleyRewardCognitionMonitoring, PhysiologicOxidative StressDogsAdaptation, PhysiologicalTemporal LobeEmotionsCoronary CirculationArteriesMemory, Short-TermMovementFingersReference ValuesBlood PressureLinear ModelsAdenosineAlgorithmsTask Performance and Analysis