Magnetic Resonance SpectroscopyMagnetic Resonance ImagingElectron Spin Resonance SpectroscopyCreatineSpin LabelsPhosphocreatineCholineAspartic AcidProtonsNuclear Magnetic Resonance, BiomolecularBrainPhosphorusSpin TrappingInositolPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesEnergy MetabolismFluorinePhosphatesMagnetic Resonance Imaging, CineHydrogen-Ion ConcentrationGlutamineBrain ChemistryLactic AcidGlutamic AcidSpectroscopy, Near-InfraredSpectrum AnalysisProtein ConformationModels, MolecularDiffusion Magnetic Resonance ImagingPhosphorylcholineHydrogenContrast MediaAdenosine TriphosphateSpectrophotometry, InfraredMuscle, SkeletalOxygenReproducibility of ResultsImage Processing, Computer-AssistedSolutionsMolecular Sequence DataDeuteriumSurface Plasmon ResonanceKineticsSensitivity and SpecificityBrain MappingMass SpectrometryTime FactorsProtein Structure, SecondaryGlycerylphosphorylcholineWaterLactatesSpectrum Analysis, RamanCircular DichroismMolecular StructureMetabolomicsCarbohydrate SequenceOxidation-ReductionBrain NeoplasmsBrain DiseasesMolecular ConformationAmino Acid SequenceGyrus CinguliGadolinium DTPAOccipital LobeProtein BindingCyclic N-OxidesNeurochemistryGadoliniumChemistryImage Interpretation, Computer-AssistedImage EnhancementAlgorithmsChemical PhenomenaTemperatureChromatography, High Pressure LiquidCarbohydrate ConformationNitrogen IsotopesBinding SitesImaging, Three-DimensionalMetabolomeReference ValuesGlucoseFrontal LobeModels, ChemicalLiverSpectrometry, Mass, Fast Atom BombardmentFourier AnalysisMyocardiumFree RadicalsSpectrometry, FluorescenceGlycolysisThermodynamicsDeuterium OxideChromatography, Thin LayerProtein Structure, TertiaryLipidsNitrogen OxidesCerebral Cortex