Parkinson Diseasealpha-SynucleinAntiparkinson AgentsParkinsonian DisordersGlucosylceramidaseLevodopaLewy BodiesParkinson Disease, SecondarySubstantia NigraGenetic Predisposition to DiseasePolymorphism, Single NucleotideDeep Brain Stimulation1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineDopamineDopaminergic NeuronsDiseaseSubthalamic NucleusGenome-Wide Association StudyLewy Body DiseaseHaplotypesAfrican AmericansMultiple System AtrophyGait Disorders, NeurologicOxidopamineLinkage DisequilibriumMPTP PoisoningGenotypePostural BalanceDance TherapyNeurodegenerative DiseasesCase-Control StudiesGene FrequencyPutamenGenetic VariationAllelesUbiquitin-Protein LigasesSupranuclear Palsy, ProgressiveEssential TremorPedunculopontine Tegmental NucleusNeuronsGaitBrainGenetic TestingGaucher DiseaseREM Sleep Behavior DisorderMutationTyrosine 3-MonooxygenasePergolidebeta-SynucleinHypokinesiaOncogene ProteinsGenetic Association StudiesNerve DegenerationCorpus StriatumDementiaGlobus PallidusChromosome MappingModels, GeneticCarbidopaAge of OnsetManebGenome, HumanMovement DisordersEuropean Continental Ancestry GroupGenetic Diseases, InbornIndians, North AmericanMesencephalonSeverity of Illness IndexGenetics, PopulationMitochondriaSynucleinsNeuropsychological TestsPolymorphism, Genetic1-Methyl-4-phenylpyridiniumRisk FactorsPhenotypeCohort StudiesNeuroprotective AgentsTropanesReproducibility of ResultsDopamine Plasma Membrane Transport ProteinsAsian AmericansDNA Mutational AnalysisPositron-Emission TomographySleep Arousal DisordersDisease Models, AnimalApathyBenzothiazolesPrimary DysautonomiasMolecular Sequence DataAlzheimer DiseaseDyskinesiasPostmortem ChangesOlfaction Disorderstau ProteinsGenetic MarkersDatabases, GeneticAutophagyManganese PoisoningCognition Disorders