Neural PathwaysTrimecaineAllylglycineEfferent PathwaysNeuronal Tract-TracersVagus NerveVagotomySodium LactateNervous System Physiological ProcessesHexamethoniumReflexAfferent PathwaysNervous System Physiological PhenomenaWheat Germ AgglutininsNeuronsBrainPreoptic AreaSeptal NucleiVisual PathwaysBrain StemProto-Oncogene Proteins c-fosHypogastric PlexusEscape ReactionNeurons, EfferentHypothalamusSpinal CordRats, Sprague-DawleyOlfactory PathwaysElectric StimulationCapsaicinGastrointestinal MotilityAmygdalaPeristalsisVocalization, AnimalMotor NeuronsAnorexiaLimbic SystemDuodenumAtropineBrain MappingFunctional LateralityHabituation, PsychophysiologicSexual Behavior, AnimalMedulla OblongataBehavior, AnimalBody Temperature RegulationModels, NeurologicalPhotic StimulationSympathetic Nervous SystemNeurons, AfferentMyenteric PlexusChemoreceptor CellsReaction TimeThalamusElectromyographyNeuronal PlasticityTime FactorsConditioning (Psychology)Spinal Cord InjuriesAutonomic Nervous SystemSerotoninAction PotentialsCatsRats, Long-EvansAnalysis of VarianceLearningParasympathetic Nervous SystemFeeding BehaviorNerve FibersNeuropeptidesNerve NetMuscle, SmoothPhysical StimulationLocomotionEatingNeurotransmitter AgentsMagnetic Resonance ImagingMuscle ContractionAcoustic StimulationMovementInjections, IntraventricularTetrodotoxinNeural InhibitionTracheaInterneuronsSynaptic TransmissionDopamineIleumGuinea PigsVisual PerceptionLeptinImmunohistochemistrySignal TransductionCerebral CortexRats, WistarMuscle, SkeletalElectrophysiologyHeart RateDose-Response Relationship, DrugBlood Pressure