Subthalamic NucleusDeep Brain StimulationBasal GangliaParkinson DiseaseGlobus PallidusSubthalamusGangliaRetinal Ganglion CellsGanglia, SpinalAntiparkinson AgentsGanglia, SympatheticGanglia, AutonomicLevodopaTrigeminal GanglionBeta RhythmGanglia, ParasympatheticThalamic NucleiElectrodes, ImplantedStereotaxic TechniquesGanglia, SensoryElectric Stimulation TherapyHypokinesiaNeuronsDyskinesiasStellate GanglionSubstantia NigraOxidopamineNeural PathwaysSpiral GanglionNodose GanglionAction PotentialsEntopeduncular NucleusDyskinesia, Drug-InducedParkinsonian DisordersGanglia, InvertebrateRats, Sprague-DawleySuperior Cervical GanglionThalamusElectric StimulationTremorBasal Ganglia DiseasesMicroelectrodesMuscle RigidityBiological ClocksDopamine AgentsRetinaGeniculate GanglionMagnetic Resonance ImagingReaction TimeElectrophysiologyFunctional LateralitySynaptic TransmissionDopamineMovementModels, NeurologicalDenervationCorpus StriatumParkinson Disease, SecondaryApomorphineNeural InhibitionMotor SkillsBrain MappingSpeech DisordersNeuropsychological TestsPatch-Clamp TechniquesMotor ActivityAxonsNeurons, AfferentPeriodicityDysarthriagamma-Aminobutyric AcidBrainMovement DisordersDopamine AgonistsPsychomotor PerformanceImpulse Control DisordersSynapsesOptic NerveSensation DisordersNeurosurgical ProceduresNeurologic ExaminationElectroencephalographyCortical SynchronizationContingent Negative VariationMotor CortexInhibition (Psychology)Behavior, AnimalTime FactorsGABA AntagonistsPseudobulbar Palsy1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineEvoked PotentialsGait Disorders, NeurologicAutonomic Fibers, PreganglionicCaudate NucleusImplantable NeurostimulatorsTreatment OutcomeChoreaNerve NetAnalysis of Variance