Pyramidal TractsMovementMotor CortexEvoked Potentials, MotorDiffusion Tensor ImagingAnisotropyElectromyographyTranscranial Magnetic StimulationMovement DisordersSpinal CordDiffusion Magnetic Resonance ImagingSpinal Cord InjuriesInternal CapsuleAxonsMotor NeuronsNerve RegenerationForelimbWallerian DegenerationSpastic Paraplegia, HereditaryFunctional LateralityHandMotor SkillsMagneticsRecovery of FunctionElectric StimulationEfferent PathwaysH-ReflexPonsNerve Fibers, MyelinatedNeural PathwaysEye MovementsEphrin-B3ParesisArmMagnetic Resonance ImagingTegmentum MesencephaliMuscle, SkeletalPsychomotor PerformanceAmyotrophic Lateral SclerosisHemiplegiaNervous System MalformationsFingersExtrapyramidal TractsBrainHand StrengthReceptor, EphA4Cerebral CortexCorpus CallosumAxonal TransportAnterior Horn CellsReaction TimeDextransStilbamidinesNerve DegenerationRed NucleusMotor Neuron DiseaseBiotinNeuronal PlasticityEcho-Planar ImagingNeural ConductionMuscle ContractionSturge-Weber SyndromeHemispherectomyNerve FibersImage Processing, Computer-AssistedMotor Skills DisordersThalamic DiseasesBrain InfarctionMotor ActivitySpinal Cord DiseasesMyelin ProteinsFrontotemporal Lobar DegenerationStrokeNeurologic ExaminationMedulla OblongataLocomotionImaging, Three-DimensionalTime FactorsGAP-43 ProteinInfarctionBrain MappingSomatosensory CortexCervical VertebraeLeukoencephalopathiesBrain Tissue TransplantationUrinary Tract InfectionsHead MovementsCatsNeuronsWheat Germ Agglutinin-Horseradish Peroxidase ConjugateMice, Neurologic MutantsBrain StemBrain Injury, ChronicInterneuronsBrain InjuriesImage Interpretation, Computer-AssistedVolitionAnalysis of VarianceEvoked PotentialsElectromagnetic Phenomena