Motor NeuronsMotor Neuron DiseaseNeuronsSurvival of Motor Neuron 1 ProteinNeurons, AfferentMotor CortexSurvival of Motor Neuron 2 ProteinEvoked Potentials, MotorAmyotrophic Lateral SclerosisSpinal CordMuscular Atrophy, SpinalMotor ActivityCell SurvivalAxonsSMN Complex ProteinsAction PotentialsNerve Tissue ProteinsSurvival RateNerve DegenerationMolecular Motor ProteinsElectric StimulationSynapsesNeuromuscular DiseasesGanglia, InvertebrateMice, TransgenicCells, CulturedElectrophysiologyTime FactorsImmunohistochemistryInterneuronsSynaptic TransmissionMovementCholinergic NeuronsDisease Models, AnimalSuperoxide DismutaseAplysiaBrainDopaminergic NeuronsElectromyographyNeuromuscular JunctionAnterior Horn CellsDendritesSensory Receptor CellsGanglia, SpinalBulbar Palsy, ProgressivePatch-Clamp TechniquesNeural InhibitionGABAergic NeuronsModels, NeurologicalAnimals, NewbornMutationCerebral CortexMice, Inbred C57BLHippocampusAnimals, Genetically ModifiedFacial NerveMembrane PotentialsMotor Skills DisordersPathologyBrain Stemgamma-Aminobutyric AcidAxonal TransportNeuropeptidesCell CountCentral Nervous SystemNeural ConductionCholine O-AcetyltransferaseNeurofilament ProteinsDisease-Free SurvivalMice, KnockoutGreen Fluorescent ProteinsBehavior, AnimalSignal TransductionSurvivalNerve NetGangliaLocomotionGrasshoppersNeurons, EfferentMuscle, SkeletalReaction TimeGene Expression Regulation, DevelopmentalNeuronal PlasticityMedulla OblongataAnalysis of VarianceExcitatory Postsynaptic PotentialsRats, Sprague-DawleyEvoked PotentialsCell DifferentiationGlutamic AcidCatsPsychomotor PerformanceOlfactory Receptor NeuronsDopamineNeurogliaCell DeathNerve Growth FactorsCyclic AMP Response Element-Binding ProteinChick EmbryoAfferent Pathways