Pyramidal TractsFacial MusclesDeglutitionPonsElectromyographyMotor CortexEvoked Potentials, MotorDiffusion Tensor ImagingAnisotropyTranscranial Magnetic StimulationDiffusion Magnetic Resonance ImagingSpinal CordSpinal Cord InjuriesInternal CapsuleAxonsNerve RegenerationWallerian DegenerationMotor NeuronsForelimbMovement DisordersSpastic Paraplegia, HereditaryFunctional LateralityMagneticsRecovery of FunctionElectric StimulationEfferent PathwaysH-ReflexHandNerve Fibers, MyelinatedMotor SkillsEphrin-B3Neural PathwaysTegmentum MesencephaliMovementParesisMagnetic Resonance ImagingAmyotrophic Lateral SclerosisMuscle, SkeletalNervous System MalformationsHemiplegiaExtrapyramidal TractsReceptor, EphA4Corpus CallosumAnterior Horn CellsBrainCerebral CortexArmDextransStilbamidinesAxonal TransportHand StrengthNerve DegenerationMotor Neuron DiseaseEcho-Planar ImagingBiotinRed NucleusNeuronal PlasticitySturge-Weber SyndromeNeural ConductionFingersHemispherectomyNerve FibersPsychomotor PerformanceBrain InfarctionThalamic DiseasesMyelin ProteinsSpinal Cord DiseasesFrontotemporal Lobar DegenerationMotor Skills DisordersImage Processing, Computer-AssistedReaction TimeMuscle ContractionGAP-43 ProteinInfarctionMedulla OblongataNeurologic ExaminationStrokeImaging, Three-DimensionalLeukoencephalopathiesBrain Tissue TransplantationUrinary Tract InfectionsSomatosensory CortexCervical VertebraeBrain Injury, ChronicMotor ActivityWheat Germ Agglutinin-Horseradish Peroxidase ConjugateMice, Neurologic MutantsBrain MappingBrain InjuriesInterneuronsImage Interpretation, Computer-AssistedLocomotionBrain StemPeroxisomal DisordersCatsMyelin SheathElectromagnetic PhenomenaNeuritesTime FactorsGastrointestinal Tract