Magnetic Resonance SpectroscopyMagnetic Resonance ImagingElectron Spin Resonance SpectroscopyCreatineSpin LabelsPhosphocreatineCholineAspartic AcidProtonsNuclear Magnetic Resonance, BiomolecularBrainPhosphorusSpin TrappingInositolPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesFluorineEnergy MetabolismSensitivity and SpecificityPhosphatesMagnetic Resonance Imaging, CineHydrogen-Ion ConcentrationBrain ChemistryGlutamineLactic AcidGlutamic AcidSpectroscopy, Near-InfraredReproducibility of ResultsSpectrum AnalysisProtein ConformationModels, MolecularDiffusion Magnetic Resonance ImagingContrast MediaPhosphorylcholineHydrogenAdenosine TriphosphateSpectrophotometry, InfraredMolecular Sequence DataImage Processing, Computer-AssistedMuscle, SkeletalOxygenTime FactorsSolutionsMass SpectrometrySurface Plasmon ResonanceDeuteriumBrain MappingKineticsSpectrum Analysis, RamanWaterGlycerylphosphorylcholineMolecular StructureProtein Structure, SecondaryLactatesCircular DichroismMetabolomicsOxidation-ReductionCarbohydrate SequenceBrain NeoplasmsAlgorithmsChromatography, High Pressure LiquidBrain DiseasesAmino Acid SequenceMolecular ConformationGyrus CinguliGadolinium DTPAImage EnhancementImage Interpretation, Computer-AssistedOccipital LobeGadoliniumCyclic N-OxidesProtein BindingTemperatureChemistryNeurochemistryReference ValuesImaging, Three-DimensionalChemical PhenomenaBinding SitesNitrogen IsotopesCarbohydrate ConformationMetabolomeSpectrometry, FluorescenceGlucoseLiverFourier AnalysisFrontal LobePredictive Value of TestsModels, ChemicalSpectrometry, Mass, Fast Atom BombardmentFree RadicalsMyocardiumGlycolysisChromatography, Thin LayerThermodynamicsDeuterium OxideNitrogen OxidesLipidsCerebral Cortex