Corpus StriatumCaudate NucleusPutamenDopamineBrain3,4-Dihydroxyphenylacetic AcidReceptors, DopamineSubstantia NigraBerberineCorpus LuteumCorpus CallosumCell NucleusRats, Inbred StrainsNeuronsMagnetic Resonance ImagingBasal GangliaRats, Sprague-DawleyNeostriatumAgenesis of Corpus CallosumNucleus AccumbensBrain MappingRacloprideReceptors, Dopamine D2Image Processing, Computer-AssistedNeural PathwaysRewardThalamusThalamic NucleiCerebral CortexGlobus PallidusFunctional LateralityParkinson DiseaseDopamine Plasma Membrane Transport ProteinsDopamine AntagonistsSpiperoneTropanesAtrophyNortropanesDihydroxyphenylalaninePrefrontal CortexHuntington DiseaseNomifensineHaloperidolLevodopaBehavior, AnimalBrain ChemistryCatsDominance, CerebralStereotaxic TechniquesTomography, Emission-ComputedAutoradiographyCocaineApomorphineReaction TimeFrontal LobeOxidopamineMacaca mulattaMesencephalonAnalysis of VarianceCorpora AllataMicrodialysisPositron-Emission TomographyDopamine and cAMP-Regulated Phosphoprotein 32Receptors, Dopamine D1Limbic SystemTime FactorsQuipazinePsychomotor PerformanceFluorine RadioisotopesSeptal NucleiSolitary NucleusMotor ActivityElectric StimulationNeuropsychological TestsWheat Germ Agglutinin-Horseradish Peroxidase ConjugateFetal Tissue TransplantationDopamine AgentsSerotoninHippocampusStereotyped BehaviorNerve Tissue ProteinsCochlear NucleusMacaca fascicularisImmunohistochemistryHomovanillic AcidParkinson Disease, SecondaryRaphe NucleiBasal Ganglia DiseasesPenisTyrosine 3-MonooxygenaseCerebral VentriclesDopamine Uptake InhibitorsCerebrovascular CirculationQuinpiroleCuesCerebellar NucleiPhotic StimulationImage Interpretation, Computer-AssistedImaging, Three-DimensionalGyrus Cinguli