Magnetic Resonance SpectroscopyCreatineCholineAspartic AcidProtonsInositolMagnetic Resonance ImagingBrainBrain Diseases, MetabolicBrain AbscessLactic AcidBrain DiseasesBrain Diseases, Metabolic, InbornBrain NeoplasmsMitochondrial EncephalomyopathiesPhosphocreatineTuberculoma, IntracranialAstrocytomaBrain ChemistryHamartomaDiffusion Magnetic Resonance ImagingReference ValuesDominance, CerebralImage Processing, Computer-AssistedEnergy MetabolismMeningiomaDiffuse Cerebral Sclerosis of SchilderSensitivity and SpecificityProton PumpsGlutamineCerebellar DiseasesReproducibility of ResultsMeningeal NeoplasmsGliosisOccipital LobeEpilepsy, Temporal LobeGliomaLactatesNeurologic ExaminationCystsNeurofibromatosis 1Demyelinating DiseasesBrain EdemaBasal GangliaFrontal LobeThalamusImaging, Three-DimensionalPhantoms, ImagingLipid MetabolismParietal LobeSpectroscopy, Near-InfraredImage Interpretation, Computer-AssistedProton Pump InhibitorsArtifactsFollow-Up StudiesImage EnhancementAlgorithmsElectron Spin Resonance SpectroscopyBiological MarkersDiffuse Axonal InjurySpectrum AnalysisMagnetic Resonance AngiographyHydrogen-Ion ConcentrationNeoplasms, NeuroepithelialSpectrum Analysis, RamanSpectrophotometry, InfraredGlutamic AcidHyperglycinemia, NonketoticNerve Fibers, MyelinatedEcho-Planar ImagingNear DrowningContrast MediaBrain MappingHydrogenCerebral VentriclesNuclear Magnetic Resonance, BiomolecularSjogren-Larsson SyndromeModels, MolecularSpectrometry, FluorescenceLeukoencephalitis, Acute HemorrhagicHepatic EncephalopathyPelizaeus-Merzbacher DiseaseGlioblastomaProtein ConformationAnisotropyBrain InjuriesTemporal LobeFourier AnalysisTissue DistributionWaterKineticsPhosphorus IsotopesCircular DichroismGangliogliomaCerebral Ventricle NeoplasmsBody WaterCone-Beam Computed TomographyMultiple SclerosisPeroxisomal DisordersX-Ray Absorption Spectroscopy