Substantia NigraBasal GangliaGlobus PallidusOxidopamineSubthalamic NucleusDopamineCorpus StriatumNeuronsParkinson Disease, SecondaryHypokinesiaNeural PathwaysParkinson DiseaseTyrosine 3-MonooxygenasePoeciliagamma-Aminobutyric AcidDopamine AgonistsRats, Sprague-DawleyParkinsonian DisordersThalamusApomorphineFlupenthixolAction PotentialsQuinpiroleMuscimolBasal Ganglia DiseasesDeep Brain StimulationMesencephalonGABA AgonistsDopaminergic NeuronsReceptors, Dopamine D1Receptors, Dopamine D2LevodopaBenzazepines1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineElectric StimulationSuperior ColliculiMPTP PoisoningAutoradiographyMotor ActivityBicucullineReserpineBehavior, AnimalSynaptic TransmissionReceptors, GABA-ANeural InhibitionExcitatory Amino Acid AntagonistsGlutamic AcidElectrophysiologyNeostriatumReceptors, Metabotropic GlutamateRats, WistarReceptors, DopamineDopamine AntagonistsPatch-Clamp TechniquesExcitatory Postsynaptic PotentialsBrainMacaca mulattaImmunohistochemistryGangliaPutamenAntiparkinson AgentsMedial Forebrain Bundle2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepinealpha-SynucleinCaudate NucleusAnalysis of VarianceTegmentum MesencephaliSubstantia GelatinosaVentral Tegmental AreaDisease Models, AnimalRetinal Ganglion CellsTime FactorsNerve DegenerationGanglia, SpinalBasal Ganglia HemorrhageDopamine AgentsLewy BodiesSalaciaTrinidad and TobagoGanglia, SympatheticAdrenergic AgentsHydroxydopaminesGanglia, AutonomicHaloperidolDopamine Plasma Membrane Transport ProteinsSubstantia InnominataGlutamate Decarboxylase1-Methyl-4-phenylpyridiniumTrigeminal GanglionRats, Inbred StrainsMice, Inbred C57BLNeurotoxinsBasal Ganglia Cerebrovascular Disease3,4-Dihydroxyphenylacetic AcidGABA AntagonistsMagnetic Resonance ImagingCell CountGanglia, ParasympatheticSeizuresMicroinjections