Conditioning, ClassicalExtinction, PsychologicalConditioning, EyelidConditioning (Psychology)Extinction, BiologicalBlinkingAssociation LearningNictitating MembraneFearAplysiaElectroshockTurtlesAppetitive BehaviorConditioning, OperantLearningMemoryLymnaeaBehavior, AnimalAvoidance LearningGalvanic Skin ResponseTransplantation ConditioningOdorsFreezing Reaction, CatalepticAcoustic StimulationAmygdalaSmellAbducens NerveNeuronal PlasticityMolluscaReinforcement (Psychology)Reactive InhibitionEyelidsHabituation, PsychophysiologicCerebellumRed NucleusMethylergonovineRats, Long-EvansCuesReflexFeeding BehaviorCerebellar NucleiMemory, Long-TermRetention (Psychology)Motor NeuronsElectric StimulationBeesSynapsesAnalysis of VarianceTime FactorsNervous System Physiological PhenomenaCycloserineReaction TimeDiscrimination LearningNeuronsPhysical StimulationSynaptophysinBrain StemLipGillsHippocampusRewardRabbitsReceptors, AMPANeural PathwaysFossilsMushroom BodiesPonsGanglia, InvertebrateAction PotentialsCerebellar CortexElectromyographySynaptic TransmissionVibrissaeNeurons, AfferentStartle ReactionPaleontologyLong-Term PotentiationAir ConditioningModels, NeurologicalReceptors, N-Methyl-D-AspartateEvoked PotentialsElectrophysiologyPopulation DynamicsSelf AdministrationModels, BiologicalConservation of Natural ResourcesPurkinje CellsRats, Sprague-DawleyEcosystemTransplantation, HomologousBusulfanBrainCocaineBiodiversityNerve NetDrug-Seeking BehaviorPhotic StimulationReinforcement SchedulePrefrontal CortexHematopoietic Stem Cell Transplantation