Parkinson DiseaseDepressionalpha-SynucleinAntiparkinson AgentsParkinsonian DisordersLevodopaGlucosylceramidaseDepressive DisorderLewy BodiesParkinson Disease, SecondarySubstantia NigraDeep Brain StimulationDepression, PostpartumDopamine1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineCortical Spreading DepressionDopaminergic NeuronsSubthalamic NucleusDepressive Disorder, MajorLewy Body DiseasePsychiatric Status Rating ScalesGait Disorders, NeurologicMultiple System AtrophyOxidopaminePostural BalanceMPTP PoisoningDance TherapyNeurodegenerative DiseasesAntidepressive AgentsPutamenBrainNeuronsSeverity of Illness IndexUbiquitin-Protein LigasesEssential TremorSupranuclear Palsy, ProgressiveLong-Term Synaptic DepressionPedunculopontine Tegmental NucleusGaitGaucher DiseaseREM Sleep Behavior DisorderDementiaTyrosine 3-MonooxygenaseAge of OnsetPergolidebeta-SynucleinHypokinesiaNeuropsychological TestsAnxietyOncogene ProteinsGenetic Predisposition to DiseaseCorpus StriatumNerve DegenerationQuestionnairesGlobus PallidusCase-Control StudiesCarbidopaManebRisk FactorsCognition DisordersMutationMovement DisordersMesencephalonApathyDisease Models, AnimalMitochondriaSynucleins1-Methyl-4-phenylpyridiniumNeuroprotective AgentsTime FactorsTropanesDopamine Plasma Membrane Transport ProteinsAnalysis of VariancePositron-Emission TomographyAlzheimer DiseasePostmortem ChangesCohort StudiesTreatment OutcomeBenzothiazolesSleep Arousal DisordersQuality of LifeComorbidityFollow-Up StudiesPrimary DysautonomiasOlfaction DisordersReproducibility of ResultsDyskinesiasGenetic Testingtau ProteinsMental Status ScheduleDopamine AgentsProspective StudiesAnxiety DisordersAutophagyDyskinesia, Drug-InducedCross-Sectional StudiesManganese PoisoningDopamine AgonistsPure Autonomic FailureGenome-Wide Association Study