Lewy Body DiseaseLewy Bodiesalpha-SynucleinParkinson DiseaseSynucleinsInclusion BodiesNeurofibrilsMultiple System AtrophyHallucinationsDementiaAlzheimer DiseaseMyoclonusSupranuclear Palsy, ProgressiveBrainAutopsyBoidaeSynaptophysinSubstantia NigraNeurodegenerative DiseasesEnkephalin, LeucineBrain StemNerve DegenerationArenavirusNeuropsychological TestsNeuronsbeta-SynucleinNerve Tissue ProteinsCognition DisordersCerebral CortexImmunohistochemistryInclusion Bodies, Viral