Ventral Tegmental AreaDopamineTegmentum MesencephaliReceptors, Dopamine D2Dopamine AntagonistsNucleus AccumbensDopamine AgonistsReceptors, Dopamine D1Receptors, DopamineDopaminergic NeuronsCocaineMesencephalonTyrosine 3-MonooxygenaseSubstantia NigraRewardNeuronsRats, Sprague-DawleyDopamine Uptake InhibitorsQuinpiroleSelf AdministrationDopamine AgentsDopamine Plasma Membrane Transport ProteinsMicroinjectionsReceptors, Dopamine D3Neural PathwaysConditioning, OperantLimbic SystemSalicylamidesBehavior, AnimalRats, Long-EvansAmphetamineMicrodialysisMotor ActivityBenzazepinesEthanolgamma-Aminobutyric AcidCentral Nervous System DepressantsSelf StimulationNicotineReceptors, Dopamine D5HabenulaReinforcement (Psychology)MorphineGlutamic AcidCorpus StriatumVesicular Glutamate Transport Protein 2GABA AgonistsSeptal NucleiPrefrontal CortexNarcoticsBaclofenStereotaxic TechniquesHeroinSulpirideAnalysis of VarianceSubstance Withdrawal SyndromeStilbamidinesAction PotentialsCocaine-Related DisordersDose-Response Relationship, DrugInhibitory Postsynaptic PotentialsSynaptic Transmission2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineApomorphineNeuronal Tract-TracersReceptors, Opioid, muBrainMamillary BodiesElectric StimulationNeurotensinNeural InhibitionGABAergic NeuronsMuscimolRacloprideCentral Nervous System StimulantsSerotonin 5-HT3 Receptor AgonistsRats, WistarNicotinic AgonistsNicotinic AntagonistsReceptors, AMPAEnkephalin, Ala(2)-MePhe(4)-Gly(5)-MecamylamineFlupenthixolDrug-Seeking BehaviorAfferent PathwaysHypothalamic Area, LateralHaloperidolElectrophysiologyExcitatory Amino Acid AntagonistsGABA-B Receptor AgonistsPonsConditioning (Psychology)Medial Forebrain BundleDrug InteractionsPatch-Clamp TechniquesDrug Administration RoutesGABA AntagonistsBenzeneacetamidesEthylaminesProto-Oncogene Proteins c-fos