Magnetic Resonance SpectroscopyMagnetic Resonance ImagingCreatinePhosphocreatineCholineAspartic AcidProtonsElectron Spin Resonance SpectroscopyNuclear Magnetic Resonance, BiomolecularPhosphorusBrainInositolPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesEnergy MetabolismFluorinePhosphatesMagnetic Resonance Imaging, CineGlutamineHydrogen-Ion ConcentrationBrain ChemistryLactic AcidGlutamic AcidSpectroscopy, Near-InfraredDiffusion Magnetic Resonance ImagingSpectrum AnalysisPhosphorylcholineProtein ConformationModels, MolecularAdenosine TriphosphateContrast MediaHydrogenSpectrophotometry, InfraredMuscle, SkeletalReproducibility of ResultsImage Processing, Computer-AssistedSurface Plasmon ResonanceOxygenSolutionsDeuteriumBrain MappingMolecular Sequence DataMass SpectrometryGlycerylphosphorylcholineSensitivity and SpecificityLactatesTime FactorsCarbohydrate SequenceMetabolomicsKineticsSpin LabelsBrain NeoplasmsProtein Structure, SecondaryCircular DichroismBrain DiseasesWaterGyrus CinguliSpectrum Analysis, RamanMolecular StructureOccipital LobeAmino Acid SequenceNeurochemistryGadolinium DTPAMolecular ConformationOxidation-ReductionCarbohydrate ConformationChemistryChromatography, High Pressure LiquidGadoliniumMetabolomeReference ValuesChemical PhenomenaGlucoseProtein BindingImaging, Three-DimensionalImage Interpretation, Computer-AssistedFrontal LobeSpectrometry, Mass, Fast Atom BombardmentBinding SitesAlgorithmsNitrogen IsotopesLiverImage EnhancementTemperatureMyocardiumGlycolysisFourier AnalysisSpectrometry, FluorescenceChromatography, Thin LayerModels, ChemicalDeuterium OxidePredictive Value of TestsLipidsCerebral CortexGlutaratesProtein Structure, TertiaryAnalysis of VariancePyruvic AcidOxygen Consumption