Motor Neuron DiseaseMotor NeuronsAmyotrophic Lateral SclerosisManihotPyramidal TractsMuscle SpasticityUrinary Bladder, NeurogenicNeuromuscular DiseasesParalysisNeuronsElectromyographyNerve DegenerationSpinal Cord InjuriesSpinal CordSurvival of Motor Neuron 1 ProteinMagnetic Resonance ImagingNeurons, AfferentMotor CortexSurvival of Motor Neuron 2 ProteinEvoked Potentials, MotorMotor ActivityMuscular Atrophy, SpinalAxonsSMN Complex ProteinsAction PotentialsNerve Tissue ProteinsMolecular Motor ProteinsElectric StimulationSynapsesGanglia, InvertebrateUpper ExtremityElectrophysiologyTime FactorsMovementInterneuronsSynaptic TransmissionCells, CulturedCholinergic NeuronsMice, TransgenicAplysiaDopaminergic NeuronsSuperoxide DismutaseBrainNeuromuscular JunctionAnterior Horn CellsSensory Receptor CellsImmunohistochemistryBulbar Palsy, ProgressiveDendritesNeural InhibitionGanglia, SpinalPatch-Clamp TechniquesGABAergic NeuronsModels, NeurologicalDisease Models, AnimalCerebral CortexAnimals, NewbornFacial NerveMotor Skills DisordersMembrane PotentialsHippocampusBrain StemAnimals, Genetically ModifiedMutationgamma-Aminobutyric AcidNeural ConductionAxonal TransportNeuropeptidesAnalysis of VarianceReaction TimeMuscle, SkeletalLocomotionBehavior, AnimalNerve NetCholine O-AcetyltransferaseCentral Nervous SystemGangliaGrasshoppersPsychomotor PerformanceNeurons, EfferentNeurofilament ProteinsMice, Inbred C57BLMedulla OblongataEvoked PotentialsNeuronal PlasticityGreen Fluorescent ProteinsCell CountExcitatory Postsynaptic PotentialsCatsGlutamic AcidGene Expression Regulation, DevelopmentalDopamineOlfactory Receptor NeuronsAfferent PathwaysRats, Sprague-DawleyMusclesChick EmbryoLeechesNeurogliaRats, Wistar