Magnetic Resonance SpectroscopyMagnetic Resonance ImagingCreatinePhosphocreatineCholineAspartic AcidProtonsElectron Spin Resonance SpectroscopyNuclear Magnetic Resonance, BiomolecularPhosphorusBrainInositolPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesEnergy MetabolismFluorinePhosphatesMagnetic Resonance Imaging, CineGlutamineHydrogen-Ion ConcentrationBrain ChemistryGlutamic AcidLactic AcidSpectroscopy, Near-InfraredSpectrum AnalysisDiffusion Magnetic Resonance ImagingPhosphorylcholineProtein ConformationModels, MolecularAdenosine TriphosphateContrast MediaHydrogenSpectrophotometry, InfraredMuscle, SkeletalReproducibility of ResultsTime FactorsMolecular Sequence DataImage Processing, Computer-AssistedOxygenBrain MappingSurface Plasmon ResonanceSolutionsSensitivity and SpecificityDeuteriumMass SpectrometryGlycerylphosphorylcholineLactatesKineticsCarbohydrate SequenceMetabolomicsBrain NeoplasmsSpin LabelsProtein Structure, SecondaryCircular DichroismSpectrum Analysis, RamanBrain DiseasesWaterGyrus CinguliMolecular StructureAmino Acid SequenceOccipital LobeNeurochemistryGadolinium DTPAReference ValuesMolecular ConformationOxidation-ReductionGadoliniumCarbohydrate ConformationAlgorithmsChemistryChromatography, High Pressure LiquidMetabolomeFourier AnalysisGlucoseChemical PhenomenaProtein BindingImage Interpretation, Computer-AssistedImaging, Three-DimensionalGene FrequencyFrontal LobeTemperatureBinding SitesSpectrometry, Mass, Fast Atom BombardmentImage EnhancementLiverNitrogen IsotopesMyocardiumGlycolysisSpectrometry, FluorescenceCase-Control StudiesAnalysis of VarianceCerebral CortexChromatography, Thin LayerPredictive Value of TestsDeuterium OxideModels, ChemicalLipidsProtein Structure, TertiaryOxygen Consumption