Magnetic Resonance ImagingTomography, X-Ray ComputedMagnetic Resonance SpectroscopyMagnetic Resonance AngiographyTomographyPositron-Emission TomographyMagnetic Resonance Imaging, CineTomography, Optical CoherenceContrast MediaTomography, Emission-ComputedBrainTomography, Spiral ComputedImage Processing, Computer-AssistedTomography, OpticalImaging, Three-DimensionalDiffusion Magnetic Resonance ImagingTomography, Emission-Computed, Single-PhotonGadolinium DTPAMultidetector Computed TomographyGadoliniumBrain MappingNuclear Magnetic Resonance, BiomolecularSensitivity and SpecificityReproducibility of ResultsImage EnhancementCone-Beam Computed TomographyElectron Microscope TomographySurface Plasmon ResonancePredictive Value of TestsImage Interpretation, Computer-AssistedTomography, X-RayElectron Spin Resonance SpectroscopyFluorodeoxyglucose F18Magnetic Resonance Imaging, InterventionalDiagnostic ImagingFluorescence Resonance Energy TransferPhantoms, ImagingTomography Scanners, X-Ray ComputedTime FactorsCholangiopancreatography, Magnetic ResonanceAlgorithmsProspective StudiesOxygenTreatment OutcomeBrain DiseasesProtonsObserver VariationArtifactsRetrospective StudiesCreatineOrganometallic CompoundsFunctional LateralityCerebrovascular CirculationCerebral CortexPhosphocreatineAtrophyFeasibility StudiesFrontal LobeBrain NeoplasmsFollow-Up StudiesSeverity of Illness IndexAnatomy, Cross-SectionalEcho-Planar ImagingMagnetite NanoparticlesMultimodal ImagingCholineTemporal LobeAspartic AcidGyrus CinguliFluorine RadioisotopesFerrosoferric OxideNeuropsychological TestsReference ValuesFluorine