Magnetic Resonance ImagingContrast MediaMagnetic Resonance Imaging, CineMagnetic Resonance SpectroscopyMagnetic Resonance AngiographyImage EnhancementGadolinium DTPABreath HoldingImage Interpretation, Computer-AssistedGadoliniumBrainDiffusion Magnetic Resonance ImagingImage Processing, Computer-AssistedImaging, Three-DimensionalReproducibility of ResultsNuclear Magnetic Resonance, BiomolecularBrain MappingSensitivity and SpecificityTomography, X-Ray ComputedSurface Plasmon ResonanceArtifactsElectron Spin Resonance SpectroscopyPredictive Value of TestsTime FactorsMagnetic Resonance Imaging, InterventionalFluorescence Resonance Energy TransferAlgorithmsOrganometallic CompoundsObserver VariationEdema, CardiacMotion Pictures as TopicRespiratory-Gated Imaging TechniquesPhantoms, ImagingCholangiopancreatography, Magnetic ResonanceVentricular Function, LeftProtonsOxygenEcho-Planar ImagingStroke VolumeFeasibility StudiesCreatineCerebral AqueductBrain DiseasesPhosphocreatineFunctional LateralityMyocardiumHeart VentriclesCerebral CortexProspective StudiesMagnetite NanoparticlesDiagnostic ImagingCholineBrain NeoplasmsFerrosoferric OxideAspartic AcidThird VentricleCineradiographyTorsion, MechanicalTreatment OutcomeFrontal LobeMyocardial ContractionAtrophyPhotic StimulationVentricular Dysfunction, LeftAnalysis of VarianceVentricular Function, RightReference ValuesTemporal LobeMyocardial Perfusion ImagingSeverity of Illness IndexMotionGyrus CinguliHeartCarbon IsotopesNeuropsychological TestsPositron-Emission TomographySpin LabelsProtein ConformationFourier AnalysisFluorineRetrospective StudiesCineangiographyPhosphorusPrefrontal CortexParietal LobeFollow-Up StudiesModels, MolecularHydrogen-Ion ConcentrationFerric CompoundsMeglumineArachnoid CystsMagneticsKineticsHealthy VolunteersSpectrum Analysis, RamanCase-Control StudiesDisease Models, AnimalMyocardial InfarctionVentriculostomyCardiomyopathies