Neurons, EfferentMotor NeuronsNeuronsGanglia, SensoryEfferent PathwaysVestibular NerveHermissendaMotor Neuron DiseaseSemicircular CanalsNeurons, AfferentAuditory PathwaysElectric StimulationSurvival of Motor Neuron 1 ProteinSpinal CordMotor CortexSurvival of Motor Neuron 2 ProteinEvoked Potentials, MotorAmyotrophic Lateral SclerosisAction PotentialsAxonsMuscular Atrophy, SpinalNerve Tissue ProteinsMotor ActivityDopaminergic NeuronsSynapsesElectrophysiologySMN Complex ProteinsSynaptic TransmissionCells, CulturedGABAergic NeuronsPatch-Clamp TechniquesCholinergic NeuronsDendritesGanglia, SpinalSensory Receptor CellsGanglia, InvertebrateInterneuronsNerve DegenerationHippocampusNeural InhibitionModels, NeurologicalCerebral CortexImmunohistochemistryMembrane PotentialsMice, Transgenicgamma-Aminobutyric AcidAnimals, NewbornBrainAplysiaOlfactory Receptor Neurons