DopamineLimbic SystemNucleus AccumbensReceptors, Dopamine D2Ventral Tegmental AreaDopamine AntagonistsReceptors, Dopamine D1Dopamine AgonistsReceptors, DopamineRewardReceptors, Dopamine D3Dopamine AgentsDopamine Uptake InhibitorsCocaineTegmentum MesencephaliDopamine Plasma Membrane Transport ProteinsMicrodialysisAmphetamineConditioning, OperantSelf AdministrationCorpus StriatumDopaminergic NeuronsPleasureBenzoxazolesQuinpiroleBenzazepinesMotor ActivityRats, Sprague-DawleyMesencephalonSalicylamidesHaloperidolBehavior, Animal3,4-Dihydroxyphenylacetic AcidDominance-SubordinationCocaine-Related DisordersNeural PathwaysReceptors, Dopamine D5Rats, Long-EvansTyrosine 3-MonooxygenaseReinforcement (Psychology)NicotineBehavior, AddictiveMicroinjectionsNeuronsMorphineMedial Forebrain BundleSubstance Withdrawal SyndromeMecamylamineBrainEthanolDopamine beta-HydroxylaseCentral Nervous System StimulantsNarcotic AntagonistsRacloprideHomovanillic AcidNaltrexoneDose-Response Relationship, DrugSucroseSocial IsolationSulpirideAnalysis of VarianceSynaptic TransmissionCuesApomorphineNarcoticsReinforcement ScheduleCentral Nervous System DepressantsLocomotionBrain-Derived Neurotrophic FactorMotivationNeostriatumNicotinic AgonistsSubstantia NigraFeeding BehaviorDrug InteractionsElectrochemistryOxidopamineStress, PsychologicalCaudate NucleusNeuronal PlasticitySubstance-Related DisordersTime FactorsDextroamphetamineLevodopaMice, Inbred C57BLBasal GangliaRats, WistarReaction TimeDopamine and cAMP-Regulated Phosphoprotein 32Prefrontal CortexSpiperoneDisease Models, AnimalMethamphetamineErgolinesStereotyped BehaviorStereotaxic TechniquesSerotoninAntipsychotic AgentsSignal Transductionalpha-Methyltyrosine