Magnetic Resonance ImagingMagnetic Resonance SpectroscopyHydrogenHydrogen BondingHydrogen PeroxideMagnetic Resonance AngiographyHydrogen SulfideMagnetic Resonance Imaging, CineContrast MediaBrainDiffusion Magnetic Resonance ImagingNuclear Magnetic Resonance, BiomolecularGadolinium DTPAGadoliniumBrain MappingElectron Spin Resonance SpectroscopyImage Processing, Computer-AssistedSurface Plasmon ResonanceImage Interpretation, Computer-AssistedImage EnhancementImaging, Three-DimensionalProtonsOxygenReproducibility of ResultsMagnetic Resonance Imaging, InterventionalModels, MolecularFluorescence Resonance Energy TransferSensitivity and SpecificityTomography, X-Ray ComputedCholangiopancreatography, Magnetic ResonanceProtein ConformationTime FactorsPredictive Value of TestsCreatineHydrogen-Ion ConcentrationWaterOrganometallic CompoundsPhosphocreatineAspartic AcidOxidation-ReductionFunctional LateralityHydrogen CyanideBrain DiseasesCerebral CortexMolecular ConformationKineticsEcho-Planar ImagingMagnetite NanoparticlesAlgorithmsDiagnostic ImagingCholineMolecular Sequence DataSpectrum Analysis, RamanCarbon IsotopesAtrophyFrontal LobeMolecular StructureBinding SitesFerrosoferric OxideSpin LabelsTemporal LobeFluorineBrain NeoplasmsProtein BindingProspective StudiesGyrus CinguliFerric CompoundsModels, ChemicalAmino Acid SequenceArtifactsPhotic StimulationObserver VariationNeuropsychological TestsProtein Structure, SecondaryPhosphorusPhantoms, ImagingDeuterium Exchange MeasurementSolutionsCatalaseTreatment OutcomeOxidantsParietal LobeThermodynamicsCrystallography, X-RayCerebrovascular CirculationPrefrontal CortexMagneticsTemperatureMyocardiumFeasibility StudiesAnalysis of VarianceSeverity of Illness IndexComputer SimulationMass SpectrometryNerve NetOccipital LobeNeural PathwaysReference ValuesIronNitrogen Isotopes