Neural PathwaysTrimecaineAllylglycineEfferent PathwaysNeuronal Tract-TracersVagus NerveVagotomySodium LactateNervous System Physiological ProcessesHexamethoniumReflexAfferent PathwaysNervous System Physiological PhenomenaWheat Germ AgglutininsNeuronsPreoptic AreaSeptal NucleiBrainVisual PathwaysBrain StemHypogastric PlexusProto-Oncogene Proteins c-fosNeurons, EfferentHypothalamusEscape ReactionSpinal CordOlfactory PathwaysRats, Sprague-DawleyElectric StimulationCapsaicinGastrointestinal MotilityAmygdalaPeristalsisVocalization, AnimalAnorexiaMotor NeuronsLimbic SystemAtropineDuodenumHabituation, PsychophysiologicMedulla OblongataFunctional LateralityBrain MappingBody Temperature RegulationSexual Behavior, AnimalBehavior, AnimalSympathetic Nervous SystemPhotic StimulationNeurons, AfferentMyenteric PlexusModels, NeurologicalChemoreceptor CellsReaction TimeThalamusSpinal Cord InjuriesAutonomic Nervous SystemElectromyographyConditioning (Psychology)SerotoninNeuronal PlasticityParasympathetic Nervous SystemRats, Long-EvansCatsAction PotentialsNerve FibersNeuropeptidesMuscle, SmoothAnalysis of VariancePhysical StimulationLearningEatingNerve NetFeeding BehaviorInjections, IntraventricularNeurotransmitter AgentsLocomotionMuscle ContractionTetrodotoxinAcoustic StimulationTime FactorsMovementMagnetic Resonance ImagingTracheaNeural InhibitionInterneuronsIleumDopamineSynaptic TransmissionGuinea PigsLeptinVisual PerceptionImmunohistochemistryRats, WistarCerebral CortexHeart RateMuscle, SkeletalElectrophysiologyBlood PressureSignal TransductionDose-Response Relationship, Drug