DuodenoscopyDopamineCrohn DiseaseParkinson DiseaseNeuronsReceptors, Dopamine D2Dopaminergic NeuronsMesencephalonReceptors, Dopamine D1Dopamine AgonistsDopamine AntagonistsReceptors, DopamineVentral Tegmental AreaSubstantia NigraReceptors, Dopamine D3Dopamine Plasma Membrane Transport ProteinsDopamine AgentsTyrosine 3-MonooxygenaseParkinsonian DisordersCorpus StriatumNeurons, AfferentOxidopamineDopamine Uptake InhibitorsMotor Neuronsalpha-SynucleinLevodopaParkinson Disease, SecondaryAction PotentialsRats, Sprague-DawleyReceptors, Dopamine D5Antiparkinson AgentsQuinpiroleReward1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineNucleus AccumbensMPTP PoisoningDopamine beta-HydroxylaseApomorphineBrainBehavior, AnimalVesicular Monoamine Transport ProteinsAmphetamineNeostriatumSynaptic TransmissionNuclear Receptor Subfamily 4, Group A, Member 2CocaineNerve Tissue ProteinsHaloperidolRaclopridePatch-Clamp TechniquesBenzazepinesElectric StimulationNeural Inhibitiongamma-Aminobutyric AcidHabenulaElectrophysiologyNerve DegenerationSulpirideMice, Inbred C57BLSalicylamidesAnalysis of VarianceTime FactorsCells, CulturedPutamenGlutamic AcidMotor ActivityMicrodialysisImmunohistochemistrySynapsesHomovanillic AcidDisease Models, AnimalBasal GangliaRats, WistarAnimals, NewbornDose-Response Relationship, DrugTegmentum MesencephaliModels, NeurologicalMembrane PotentialsHippocampusGlial Cell Line-Derived Neurotrophic FactorExcitatory Postsynaptic PotentialsConditioning, OperantCerebral CortexCaudate NucleusSerotoninMice, KnockoutPedunculopontine Tegmental NucleusAxonsDendritesGABAergic NeuronsReceptors, N-Methyl-D-AspartateAutoreceptorsNeuroprotective AgentsNeural PathwaysMice, TransgenicExcitatory Amino Acid AntagonistsMethamphetaminePrefrontal CortexBrain Tissue TransplantationLewy Bodies