Parkinson DiseaseMovementalpha-SynucleinAntiparkinson AgentsParkinsonian DisordersLevodopaGlucosylceramidaseParkinson Disease, SecondaryLewy BodiesSubstantia NigraDeep Brain StimulationEye Movements1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineDopamineMovement DisordersSubthalamic NucleusDopaminergic NeuronsLewy Body DiseaseGait Disorders, NeurologicMultiple System AtrophyPostural BalanceOxidopamineMPTP PoisoningDance TherapyNeurodegenerative DiseasesPutamenNeuronsEssential TremorSupranuclear Palsy, ProgressivePedunculopontine Tegmental NucleusUbiquitin-Protein LigasesGaitBrainREM Sleep Behavior DisorderHypokinesiaPsychomotor PerformanceGaucher DiseaseTyrosine 3-MonooxygenasePergolideHead MovementsOncogene Proteinsbeta-SynucleinGlobus PallidusNerve DegenerationCorpus StriatumMutationCarbidopaDementiaGenetic Predisposition to DiseaseManebAge of OnsetDyskinesiasMesencephalonMotor SkillsElectromyographyMitochondriaNeuropsychological TestsSeverity of Illness IndexSynucleinsPlant Viral Movement Proteins1-Methyl-4-phenylpyridiniumCase-Control StudiesDyskinesia, Drug-InducedNeuroprotective AgentsDopamine Plasma Membrane Transport ProteinsTropanesBiomechanical PhenomenaDisease Models, AnimalSleep Arousal DisordersPositron-Emission TomographyModels, BiologicalTime FactorsFetal MovementBenzothiazolesPrimary DysautonomiasApathyMotor ActivityOlfaction DisordersBasal GangliaAlzheimer DiseasePostmortem Changestau ProteinsDopamine AgentsNeurologic ExaminationAnalysis of VarianceCell MovementVideo RecordingAutophagyManganese PoisoningTask Performance and AnalysisCognition DisordersGenetic TestingRotenoneDopamine AgonistsPure Autonomic FailureFunctional LateralityParaquatNerve Tissue ProteinsStereotaxic TechniquesGenome-Wide Association Study