Pyramidal TractsMotor CortexEvoked Potentials, MotorDiffusion Tensor ImagingAnisotropyElectromyographyTranscranial Magnetic StimulationDiffusion Magnetic Resonance ImagingSpinal CordSpinal Cord InjuriesInternal CapsuleAxonsNerve RegenerationWallerian DegenerationMotor NeuronsForelimbMovement DisordersSpastic Paraplegia, HereditaryRecovery of FunctionFunctional LateralityMagneticsTreatment OutcomeElectric StimulationEfferent PathwaysHandH-ReflexMotor SkillsNerve Fibers, MyelinatedPonsEphrin-B3Neural PathwaysMagnetic Resonance ImagingMovementTegmentum MesencephaliParesisAmyotrophic Lateral SclerosisMuscle, SkeletalNervous System MalformationsHemiplegiaExtrapyramidal TractsBrainOutcome Assessment (Health Care)Receptor, EphA4Corpus CallosumAnterior Horn CellsArmCerebral CortexDextransHand StrengthStilbamidinesAxonal TransportNerve DegenerationMotor Neuron DiseaseEcho-Planar ImagingBiotinRed NucleusTime FactorsNeuronal PlasticityStrokeSturge-Weber SyndromeNeural ConductionHemispherectomyFingersPsychomotor PerformanceNerve FibersBrain InfarctionSpinal Cord DiseasesThalamic DiseasesMyelin ProteinsMotor Skills DisordersImage Processing, Computer-AssistedNeurologic ExaminationReaction TimeFrontotemporal Lobar DegenerationMuscle ContractionPregnancy OutcomeInfarctionGAP-43 ProteinMedulla OblongataImaging, Three-DimensionalCervical VertebraeBrain InjuriesRetrospective StudiesMotor ActivityUrinary Tract InfectionsLeukoencephalopathiesBrain Tissue TransplantationSomatosensory CortexBrain Injury, ChronicWheat Germ Agglutinin-Horseradish Peroxidase ConjugateBrain MappingMice, Neurologic MutantsImage Interpretation, Computer-AssistedLocomotionInterneuronsBrain StemAnalysis of VarianceInfant, NewbornCatsPeroxisomal Disorders