Central Pattern GeneratorsInstinctGanglia, InvertebratePeriodicityLocomotionMotor NeuronsInterneuronsBrachyuraLeechesNephropidaeTritonia Sea SlugSwimmingLymnaeaNerve NetLocusta migratoriaLampreysSpinal CordMolluscaPalinuridaeRadionuclide GeneratorsAction PotentialsNervous System Physiological PhenomenaBiological ClocksOctopamineHirudo medicinalisModels, NeurologicalRespiratory Physiological ProcessesAplysiaPleurobranchaeaElectric StimulationCheekPylorusFeeding BehaviorLaryngeal NervesDecerebrate StateSerotoninEfferent PathwaysRespiratory CenterEscape ReactionMotor ActivityDeglutitionBrain StemMovementNeural InhibitionNeural PathwaysLaryngeal MusclesDigestive SystemGangliaAfferent PathwaysNeuronsElectrophysiologyHermissendaSpinal Nerve RootsDigestive System Physiological PhenomenaCentral Nervous SystemElectromyographySynapsesGrasshoppersSynaptic TransmissionHindlimbElectrophysiological PhenomenaFeedbackRespiratory MechanicsStrychnineVocalization, AnimalBehavior, AnimalAnimals, NewbornN-MethylaspartateNeurotransmitter AgentsVibrissaeMembrane PotentialsLarvaCatsNonlinear DynamicsProprioceptionEvoked PotentialsWalkingNeurons, AfferentReflexExcitatory Postsynaptic PotentialsBiomechanical PhenomenaGaitMedulla OblongataPatch-Clamp TechniquesDopamineStomachNeuropeptidesComputer SimulationMasticationNeuronal PlasticitySpinal Cord InjuriesBatrachoidiformesExcitatory Amino Acid AntagonistsBrainMuscle, SkeletalGlutamic AcidReaction TimeHeartData Interpretation, StatisticalTime Factors