Motor Neuron DiseaseMotor NeuronsAmyotrophic Lateral SclerosisSuperoxide DismutaseNeuronsAxonsSurvival of Motor Neuron 1 ProteinNeurons, AfferentMotor CortexSurvival of Motor Neuron 2 ProteinMutationEvoked Potentials, MotorSpinal CordMuscular Atrophy, SpinalMotor ActivitySMN Complex ProteinsAction PotentialsNerve Tissue ProteinsMolecular Motor ProteinsElectric StimulationNerve DegenerationSynapsesNeuromuscular DiseasesGanglia, InvertebrateElectrophysiologyInterneuronsSynaptic TransmissionMovementCholinergic NeuronsCells, CulturedAplysiaMice, TransgenicDopaminergic NeuronsElectromyographyAnterior Horn CellsNeuromuscular JunctionDendritesSensory Receptor CellsBulbar Palsy, ProgressiveGanglia, SpinalNeural InhibitionGABAergic NeuronsPatch-Clamp TechniquesImmunohistochemistryModels, NeurologicalBrainCerebral CortexAnimals, NewbornDisease Models, AnimalTime FactorsFacial NerveMembrane PotentialsMotor Skills DisordersAnimals, Genetically ModifiedHippocampusgamma-Aminobutyric AcidBrain StemAxonal TransportNeuropeptidesNeural ConductionCholine O-AcetyltransferaseGangliaGrasshoppersNeurons, EfferentNerve NetNeurofilament ProteinsLocomotionCentral Nervous SystemReaction TimeGreen Fluorescent ProteinsBehavior, AnimalMedulla OblongataExcitatory Postsynaptic PotentialsNeuronal PlasticityEvoked PotentialsCell CountMice, Inbred C57BLMuscle, SkeletalGene Expression Regulation, DevelopmentalOlfactory Receptor NeuronsGlutamic AcidPsychomotor PerformanceCatsAfferent PathwaysDopamineLeechesCyclic AMP Response Element-Binding ProteinChick EmbryoRats, Sprague-DawleyMusclesNeurogliaRhombencephalonParalysisAnalysis of VariancePyramidal CellsSpinal Muscular Atrophies of ChildhoodRats, WistarCell DifferentiationCerebellumAstrocytes