Parkinson Diseasealpha-SynucleinAntiparkinson AgentsParkinsonian DisordersLevodopaGlucosylceramidaseParkinson Disease, SecondaryLewy BodiesSubstantia NigraDeep Brain StimulationSupranuclear Palsy, Progressive1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineDopamineDopaminergic NeuronsSubthalamic NucleusLewy Body DiseaseMultiple System AtrophyGait Disorders, NeurologicOxidopamineMPTP PoisoningPostural BalanceNeurodegenerative DiseasesDance TherapyPutamenBrainUbiquitin-Protein LigasesEssential TremorNeuronsPedunculopontine Tegmental NucleusGaitNerve DegenerationGaucher DiseaseREM Sleep Behavior DisorderTyrosine 3-MonooxygenaseHypokinesiaPergolideOncogene Proteinsbeta-SynucleinDementiaMutationCorpus StriatumAge of OnsetGenetic Predisposition to DiseaseGlobus PallidusCarbidopaDisease Models, AnimalMovement DisordersManebMesencephalonSeverity of Illness IndexNeuropsychological TestsMitochondriaDisease ProgressionSynucleins1-Methyl-4-phenylpyridiniumCase-Control StudiesNeuroprotective AgentsDopamine Plasma Membrane Transport ProteinsAlzheimer DiseaseTropanesPositron-Emission Tomographytau ProteinsSleep Arousal DisordersApathyBenzothiazolesDyskinesiasPostmortem ChangesPrimary DysautonomiasCognition DisordersOlfaction DisordersAutophagyGenetic TestingNeurologic ExaminationManganese PoisoningDopamine AgentsDyskinesia, Drug-InducedTime FactorsRotenoneParaquatPure Autonomic FailureNerve Tissue ProteinsGenome-Wide Association StudyDopamine AgonistsBasal GangliaMutation, MissenseOxidative StressPemolineSelenoprotein W3,4-Dihydroxyphenylacetic AcidDNA Mutational AnalysisReality TherapyPolymorphism, Single NucleotideAdrenergic AgentsMagnetic Resonance ImagingAccidental FallsSweat Gland DiseasesPenetranceStereotaxic TechniquesChromogranin BParkinson Disease, Postencephalitic