RewardChoice BehaviorMotivationConditioning, OperantAnticipation, PsychologicalNucleus AccumbensCuesBehavior, AnimalReinforcement (Psychology)Self StimulationPunishmentDopamineImpulsive BehaviorReaction TimeLearningDecision MakingProbability LearningBrain MappingMagnetic Resonance ImagingBasal GangliaPrefrontal CortexRats, Long-EvansConditioning (Psychology)Ventral Tegmental AreaFeedback, PsychologicalConditioning, ClassicalBrainAssociation LearningPsychomotor PerformanceCocaineReinforcement ScheduleDriveGamblingFood PreferencesBehavior, AddictiveAnalysis of VarianceCorpus StriatumNeuronsGames, ExperimentalPhotic StimulationAppetitive BehaviorAnhedoniaLimbic SystemEconomics, BehavioralFeeding BehaviorDopamine Uptake InhibitorsSelf AdministrationNeural PathwaysSucroseMacaca mulattaGyrus CinguliPleasureCaudate NucleusAmygdalaDiscrimination LearningSubstance Withdrawal SyndromeTime FactorsMesencephalonGoalsFrontal LobeModels, PsychologicalImage Processing, Computer-AssistedFoodFlupenthixolPlant NectarTask Performance and AnalysisFunctional NeuroimagingDiscrimination (Psychology)Dopamine AntagonistsNicotineCocaine-Related DisordersBehaviorNeostriatumRats, Sprague-DawleyDopaminergic NeuronsReceptors, Dopamine D2Extinction, PsychologicalMotor ActivityCompulsive BehaviorReversal LearningSweetening AgentsTasteMedial Forebrain BundleAmphetamineBeesSaccharinNerve NetMemoryUncertainty