Vagus Nerve StimulationElectric StimulationTranscutaneous Electric Nerve StimulationElectric Stimulation TherapySciatic NervePeripheral NervesSympathetic Nervous SystemNerve FibersTibial NerveVagus NerveSplanchnic NervesMedian NervePhrenic NerveOptic NerveNerve EndingsNorepinephrineCatsMuscle ContractionSural NerveFemoral NerveNerve RegenerationGuanethidineNerve BlockParasympathetic Nervous SystemUlnar NerveSpinal NervesAtropineStimulation, ChemicalPhysical StimulationFacial NerveTrigeminal NerveNeuromuscular JunctionRadial NerveNerve CrushNeural ConductionNictitating MembraneSynaptic TransmissionTranscranial Magnetic StimulationDeep Brain StimulationElectrodes, ImplantedPeripheral Nerve InjuriesPhentolamineAcetylcholineAction PotentialsSpinal Nerve RootsDogsMotor NeuronsEvoked PotentialsGuinea PigsElectromyographyLingual NerveLumbosacral PlexusMuscle, SmoothRats, Sprague-DawleyEvoked Potentials, SomatosensoryPhenoxybenzamineAdrenergic FibersImplantable NeurostimulatorsNeurons, AfferentReflexGlossopharyngeal NerveAfferent PathwaysTime FactorsBretylium CompoundsDiaphragmNeurons, EfferentNerve Growth FactorNerve Growth FactorsNerve TissueRabbitsElectrophysiologyCranial NervesVas DeferensPeroneal NerveHypogastric PlexusReceptors, AdrenergicCalciumPrazosinNervous System Physiological PhenomenaHexamethonium CompoundsPropranololSpinal CordNerve Compression SyndromesDenervationMusclesEvoked Potentials, MotorMotor EndplateBrachial PlexusAdrenergic alpha-AntagonistsMembrane PotentialsDose-Response Relationship, DrugCells, CulturedAutonomic Nervous SystemReserpineDecerebrate StateEar, ExternalOphthalmic NerveMuscle, SkeletalHypoglossal NerveNeural Inhibition