Substantia NigraDopamineParkinsonian DisordersParkinson DiseaseSubstantia GelatinosaTyrosine 3-MonooxygenaseCorpus StriatumDopaminergic NeuronsMesencephalonCerebral ArteriesNeuronsOxidopamine1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineMPTP PoisoningBrainParkinson Disease, SecondaryCerebral InfarctionSubstantia InnominataBasal Gangliaalpha-SynucleinTegmentum MesencephaliGlobus PallidusRats, Sprague-DawleyCerebral PalsyCerebrovascular CirculationLewy BodiesNerve DegenerationMiddle Cerebral ArteryVentral Tegmental AreaNeostriatumCaudate NucleusApomorphineAutoradiographyReceptors, DopaminePutamenReceptors, Dopamine D2Neural PathwaysLevodopaDopamine AgentsDisease Models, AnimalCerebral AngiographyInfarction, Middle Cerebral ArteryNeuroprotective AgentsMalaria, CerebralBrain IschemiaCerebral VeinsSubthalamic Nucleus1-Methyl-4-phenylpyridiniumBehavior, AnimalMagnetic Resonance ImagingBrain ChemistryDopamine AgonistsDopamine Plasma Membrane Transport ProteinsHydroxydopaminesgamma-Aminobutyric Acid3,4-Dihydroxyphenylacetic AcidDopamine AntagonistsMotor ActivityImmunohistochemistryThalamusSynucleinsRats, WistarExtrapyramidal TractsRed NucleusQuinpiroleCerebral HemorrhageMice, Inbred C57BLNeurotoxinsNerve Tissue ProteinsHypokinesiaGlial Cell Line-Derived Neurotrophic FactorCerebral VentriclesAntiparkinson AgentsRats, Inbred StrainsSympatholyticsStereotaxic TechniquesHomovanillic Acid2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineReceptors, Dopamine D1Receptors, Dopamine D3MelaninsSulpirideElectric StimulationTime FactorsHaloperidolNomifensineBrain Tissue TransplantationAction PotentialsCell CountMicrogliaBenzazepinesMuscimolStilbamidinesMice, Neurologic MutantsLocus CoeruleusMedial Forebrain BundleSynaptic TransmissionAmphetamineMazindolAnalysis of Variance