Subthalamic NucleusCorpus StriatumPutamenDeep Brain StimulationParkinson DiseaseGlobus PallidusDopamineBasal GangliaSubstantia NigraBrainSubthalamus3,4-Dihydroxyphenylacetic AcidAntiparkinson AgentsLevodopaReceptors, DopamineThalamic NucleiElectrodes, ImplantedBeta RhythmStereotaxic TechniquesNeuronsHypokinesiaBerberineCorpus LuteumElectric Stimulation TherapyRats, Sprague-DawleyCorpus CallosumDyskinesiasCell NucleusOxidopamineCaudate NucleusNeural PathwaysRats, Inbred StrainsParkinsonian DisordersDyskinesia, Drug-InducedMagnetic Resonance ImagingEntopeduncular NucleusAgenesis of Corpus CallosumThalamusDopamine AgentsBrain MappingNeostriatumFunctional LateralityTremorMuscle RigidityAction PotentialsMicroelectrodesBiological ClocksElectric StimulationReaction TimeApomorphineNucleus AccumbensMotor ActivityImage Processing, Computer-AssistedNeuropsychological TestsBehavior, AnimalParkinson Disease, SecondaryMovement1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineDopamine AntagonistsDopamine AgonistsReceptors, Dopamine D2Cerebral CortexPsychomotor PerformanceMotor SkillsAnalysis of VarianceRaclopridePedunculopontine Tegmental NucleusMotor CortexStereotyped BehaviorDysarthriaInhibition (Psychology)Contingent Negative VariationModels, NeurologicalNeurologic ExaminationPseudobulbar PalsyDominance, CerebralSensation DisordersNeural InhibitionSpeech DisordersSynaptic TransmissionVentral Thalamic NucleiMesencephalongamma-Aminobutyric AcidPositron-Emission TomographyGABA AntagonistsCortical SynchronizationDystoniaTime FactorsElectroencephalographyMovement DisordersRats, WistarNeurosurgical ProceduresMuscimolMacaca mulattaAutoradiographyNerve NetCuesMicroinjectionsGait Disorders, NeurologicMedial Forebrain Bundle