Appetitive BehaviorConsummatory BehaviorAppetiteConditioning, ClassicalAvoidance LearningMushroom BodiesAssociation LearningRewardReinforcement (Psychology)Feeding BehaviorConditioning (Psychology)Conditioning, OperantOdorsAppetite RegulationSucroseBehavior, AnimalMotivationSmellCuesTasteNucleus AccumbensOctopamineMemory, Long-TermOlfactory PerceptionMemoryRats, Long-EvansFood PreferencesPleasure-Pain PrinciplePhysiology, ComparativeOlfactory PathwaysSatiationAmygdalaLymnaeaExtinction, PsychologicalMethylergonovineCopulationEatingWorld War IIPunishmentSweetening AgentsDopamineLearningAnalysis of VarianceTaste PerceptionFoodDopamine AntagonistsHungerSaccharinBeesReceptors, Biogenic AmineRaphanusDrinking BehaviorEthanolOncogene Proteins v-fosCentral Nervous System DepressantsCloacaSexual Behavior, AnimalDiscrimination LearningFearMealsEmotionsRats, Sprague-DawleySelf AdministrationReinforcement ScheduleDextroamphetamineFood DeprivationNeuronsSatiety ResponseDopaminergic NeuronsBrainAffectGhrelinSnailsReceptors, Dopamine D1ElectroshockAplysiaVentral Tegmental AreaGanglia, InvertebrateLimbic SystemNeuropeptidesCoturnixMental RecallArousalPreoptic AreaHyperphagiaMotor ActivityNerve NetBenzazepinesLarvaLearning DisordersHabituation, PsychophysiologicPrefrontal CortexTime FactorsQuinineMicroinjectionsNeural PathwaysBrain MappingAnimals, Genetically ModifiedGryllidaeGoals