Pyramidal TractsForelimbMotor CortexEvoked Potentials, MotorDiffusion Tensor ImagingAnisotropyElectromyographySpinal CordTranscranial Magnetic StimulationSpinal Cord InjuriesDiffusion Magnetic Resonance ImagingInternal CapsuleAxonsNerve RegenerationMotor NeuronsMovement DisordersWallerian DegenerationFunctional LateralitySpastic Paraplegia, HereditaryRecovery of FunctionElectric StimulationEfferent PathwaysMovementMotor SkillsMagneticsHandNeural PathwaysH-ReflexPonsMuscle, SkeletalNerve Fibers, MyelinatedEphrin-B3Red NucleusParesisLocomotionTegmentum MesencephaliExtrapyramidal TractsMagnetic Resonance ImagingHindlimbAmyotrophic Lateral SclerosisNervous System MalformationsCerebral CortexHemiplegiaArmHand StrengthDextransNeuronal PlasticityAxonal TransportReceptor, EphA4BrainSomatosensory CortexCorpus CallosumPsychomotor PerformanceAnterior Horn CellsBiotinStilbamidinesNerve FibersNerve DegenerationMotor Neuron DiseaseNeural ConductionCatsBrain InfarctionEcho-Planar ImagingReaction TimeMotor ActivitySturge-Weber SyndromeMyelin ProteinsMotor Skills DisordersFingersHemispherectomyCervical VertebraeMedulla OblongataThalamic DiseasesGAP-43 ProteinMuscle ContractionSpinal Cord DiseasesImage Processing, Computer-AssistedNeurologic ExaminationBrain MappingFrontotemporal Lobar DegenerationStrokeBrain Tissue TransplantationInfarctionImaging, Three-DimensionalTime FactorsLeukoencephalopathiesEvoked PotentialsBrain InjuriesUrinary Tract InfectionsNeuronsBrain StemInterneuronsBrain Injury, ChronicBehavior, AnimalWheat Germ Agglutinin-Horseradish Peroxidase ConjugateDisease Models, AnimalMice, Neurologic MutantsImage Interpretation, Computer-AssistedPeroxisomal DisordersMyelin Sheath