RewardChoice BehaviorMotivationConditioning, OperantAnticipation, PsychologicalNucleus AccumbensCuesBehavior, AnimalReinforcement (Psychology)Self StimulationPunishmentDopamineDecision MakingImpulsive BehaviorLearningReaction TimeProbability LearningBrain MappingMagnetic Resonance ImagingBasal GangliaRats, Long-EvansPrefrontal CortexConditioning (Psychology)Feedback, PsychologicalBrainAnalysis of VarianceVentral Tegmental AreaPsychomotor PerformanceConditioning, ClassicalCocaineGamblingFood PreferencesDriveAssociation LearningReinforcement ScheduleBehavior, AddictiveTime FactorsCorpus StriatumGames, ExperimentalNeuronsFeeding BehaviorAppetitive BehaviorAnhedoniaPhotic StimulationLimbic SystemEconomics, BehavioralDopamine Uptake InhibitorsSelf AdministrationNeural PathwaysMacaca mulattaPleasureGyrus CinguliSucroseAmygdalaSubstance Withdrawal SyndromeCaudate NucleusDiscrimination LearningGoalsMesencephalonImage Processing, Computer-AssistedFrontal LobeModels, PsychologicalFoodTask Performance and AnalysisPlant NectarFlupenthixolFunctional NeuroimagingMotor ActivityRats, Sprague-DawleyNicotineCocaine-Related DisordersDopamine AntagonistsDiscrimination (Psychology)BehaviorUncertaintyNeostriatumReceptors, Dopamine D2Dopaminergic NeuronsNeuropsychological TestsExtinction, PsychologicalSweetening AgentsCompulsive BehaviorMedial Forebrain BundleReversal LearningSaccharinNerve NetTasteMemoryAmphetamineBeesInhibition (Psychology)