Diffusion Magnetic Resonance ImagingMagnetic Resonance ImagingDiffusionDiffusion Tensor ImagingImage Processing, Computer-AssistedBrainMagnetic Resonance SpectroscopyMagnetic Resonance AngiographyMagnetic Resonance Imaging, CineContrast MediaAlgorithmsReproducibility of ResultsBrain MappingGadolinium DTPAImage Interpretation, Computer-AssistedNuclear Magnetic Resonance, BiomolecularPredictive Value of TestsImage EnhancementGadoliniumSensitivity and SpecificityAnisotropyImaging, Three-DimensionalComputer SimulationSurface Plasmon ResonanceModels, BiologicalElectron Spin Resonance SpectroscopyFacilitated DiffusionTime FactorsModels, MolecularFluorescence Resonance Energy TransferTomography, X-Ray ComputedMagnetic Resonance Imaging, InterventionalOxygenComputational BiologySoftwareProtonsNerve Fibers, Myelinated