Magnetic Resonance SpectroscopyMagnetic Resonance ImagingCreatinePhosphocreatineCholineAspartic AcidProtonsElectron Spin Resonance SpectroscopyNuclear Magnetic Resonance, BiomolecularPhosphorusBrainInositolPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesEnergy MetabolismFluorinePhosphatesMagnetic Resonance Imaging, CineHydrogen-Ion ConcentrationGlutamineBrain ChemistrySpectrum AnalysisLactic AcidGlutamic AcidSpectroscopy, Near-InfraredDiffusion Magnetic Resonance ImagingProtein ConformationPhosphorylcholineModels, MolecularAdenosine TriphosphateSpectrophotometry, InfraredHydrogenContrast MediaMuscle, SkeletalReproducibility of ResultsMolecular Sequence DataImage Processing, Computer-AssistedSurface Plasmon ResonanceOxygenMass SpectrometrySolutionsDeuteriumBrain MappingSpectrum Analysis, RamanCircular DichroismGlycerylphosphorylcholineSensitivity and SpecificityKineticsLactatesTime FactorsSpin LabelsMetabolomicsCarbohydrate SequenceProtein Structure, SecondaryBrain NeoplasmsBrain DiseasesWaterMolecular StructureGyrus CinguliAmino Acid SequenceOccipital LobeOxidation-ReductionMolecular ConformationNeurochemistryChemistryGadolinium DTPAChromatography, High Pressure LiquidChemical PhenomenaCarbohydrate ConformationGadoliniumProtein BindingMetabolomeReference ValuesGlucoseBinding SitesAlgorithmsImage Interpretation, Computer-AssistedImaging, Three-DimensionalFrontal LobeSpectrometry, Mass, Fast Atom BombardmentNitrogen IsotopesLiverSpectrometry, FluorescenceTemperatureFourier AnalysisImage EnhancementMyocardiumGlycolysisChromatography, Thin LayerModels, ChemicalDeuterium OxideCerebral CortexPredictive Value of TestsLipidsProtein Structure, TertiaryGlutaratesSpectrophotometry, UltravioletAnalysis of VarianceThermodynamics