Magnetic Resonance SpectroscopyMagnetic Resonance ImagingCreatinePhosphocreatineCholineAspartic AcidProtonsElectron Spin Resonance SpectroscopyNuclear Magnetic Resonance, BiomolecularPhosphorusBrainInositolPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesEnergy MetabolismFluorinePhosphatesMagnetic Resonance Imaging, CineHydrogen-Ion ConcentrationGlutamineBrain ChemistryLactic AcidSpectroscopy, Near-InfraredGlutamic AcidSpectrum AnalysisProtein ConformationModels, MolecularDiffusion Magnetic Resonance ImagingSpectrophotometry, InfraredPhosphorylcholineHydrogenAdenosine TriphosphateContrast MediaMuscle, SkeletalReproducibility of ResultsSolutionsOxygenSurface Plasmon ResonanceDeuteriumImage Processing, Computer-AssistedSensitivity and SpecificityMass SpectrometryBrain MappingMolecular Sequence DataGlycerylphosphorylcholineCircular DichroismMolecular StructureKineticsProtein Structure, SecondaryLactatesWaterTime FactorsMetabolomicsCarbohydrate SequenceSpin LabelsBrain NeoplasmsMolecular ConformationBrain DiseasesOxidation-ReductionSpectrum Analysis, RamanGyrus CinguliOccipital LobeAmino Acid SequenceNeurochemistryChemistryGadolinium DTPAChemical PhenomenaProtein BindingChromatography, High Pressure LiquidCarbohydrate ConformationBinding SitesGadoliniumMetabolomeReference ValuesGlucoseTemperatureImage Interpretation, Computer-AssistedImaging, Three-DimensionalAlgorithmsImage EnhancementFrontal LobeFourier AnalysisSpectrometry, Mass, Fast Atom BombardmentLiverNitrogen IsotopesSpectrometry, FluorescenceMyoglobinDeuterium OxideMyocardiumGlycolysisModels, ChemicalSpectrophotometry, UltravioletLipidsChromatography, Thin LayerThermodynamicsProtein Structure, TertiaryCerebral CortexPredictive Value of TestsHydrogen Bonding