ReflexAplysiaTailSubstance Withdrawal SyndromeReflex, AbdominalHabituation, PsychophysiologicDecerebrate StateGillsReflex, StretchNeurons, AfferentReflex, AbnormalNociceptorsElectromyographyPhysical StimulationMotor NeuronsMustard PlantElectroshockHindlimbSerotoninBehavior, AnimalSkin Physiological PhenomenaInvertebrate HormonesElectric StimulationPain ThresholdPainGangliaSpinal CordSynapsesVisceraReflex, AcousticReflex, Vestibulo-OcularHyperalgesiaPain MeasurementReflex, PupillaryMuscle ContractionConditioning, ClassicalRats, Sprague-DawleyForelimbAlcohol Withdrawal DeliriumLearningIrritable Bowel SyndromeAlcohol Withdrawal SeizuresTime FactorsNeural InhibitionAction PotentialsRats, WistarNeuronsHot TemperatureSynaptic TransmissionElectrophysiologyMorphine DependenceVersion, FetalReproducibility of ResultsNaloxoneTranslationsH-ReflexReflex, RightingTranslatingCatsReflex, OculocardiacMorphinePressoreceptorsPsychometricsEthanolBlinkingReflex, BabinskiWithholding TreatmentVagus NerveQuestionnairesGaggingAfferent PathwaysEpilepsy, ReflexHeart RateMechanoreceptorsLanguageReaction TimeDose-Response Relationship, DrugBlood PressureSympathetic Nervous SystemBaroreflexNicotineReflex Sympathetic DystrophyStartle ReactionMuscle, SkeletalAnalysis of VarianceNeurons, EfferentTrigeminal NerveMovementCarotid SinusUrinationDrug ToleranceAlgorithmsCentral Nervous System DepressantsPostureVagotomyAlcoholismMotor ActivityTibial NerveMusclesCapsaicin