Spinal CordSpinal Cord InjuriesBrain StemSpinal Cord DiseasesSpinal Cord CompressionSpinal Cord NeoplasmsSpinal Cord IschemiaInjections, SpinalEvoked Potentials, Auditory, Brain StemParaplegiaSpinal Nerve RootsMotor NeuronsSpinal NervesSpinal Cord RegenerationSpinal CanalQuadriplegiaRats, Sprague-DawleyCervical VertebraeSpinal NeoplasmsAnesthesia, SpinalThoracic VertebraeBrain Stem NeoplasmsSpinal DiseasesUmbilical CordPosterior Horn CellsNeuronsLaminectomyAxonsLumbosacral RegionNerve RegenerationRecovery of FunctionLocomotionGanglia, SpinalSpinal StenosisSpinal Cord StimulationSpinal FusionSpinal InjuriesAnterior Horn CellsAfferent PathwaysMyelitisParalysisCordotomyPainElectric StimulationDisease Models, AnimalMagnetic Resonance ImagingPonsMuscular Atrophy, SpinalMedulla OblongataHyperalgesiaNeuralgiaElectric Stimulation TherapyNeurons, AfferentTime FactorsEfferent PathwaysReflexElectromyographyMyelographyNociceptorsCatsBrainEvoked Potentials, SomatosensoryImmunohistochemistryHindlimbSpineEpidural SpaceNeural PathwaysCentral Nervous SystemUrinary Bladder, NeurogenicPyramidal TractsReticular FormationLampreysMotor ActivityAnimals, NewbornPhysical StimulationHematoma, Epidural, SpinalLumbar VertebraeInterneuronsPain MeasurementMyelin SheathNeurogliaAutonomic DysreflexiaTrigeminal Nucleus, SpinalAuditory PathwaysSynaptic TransmissionStrychnineTuberculosis, SpinalReflex, AbnormalFetal BloodEvoked PotentialsAction PotentialsSyringomyeliaContusionsDecerebrate StateOligodendrogliaNeuronal PlasticityRats, WistarSciatic NerveBrain Stem InfarctionsTrigeminal Nuclei