Lewy Body DiseaseLewy BodiesParkinson Diseasealpha-SynucleinInclusion BodiesNeurofibrilsSynucleinsMyoclonusDementiaBrainMultiple System AtrophyHallucinationsBrain StemAlzheimer DiseaseSupranuclear Palsy, ProgressiveAutopsyBoidaeSubstantia NigraSynaptophysinNeurodegenerative DiseasesEnkephalin, LeucineNerve Degenerationbeta-SynucleinNeuropsychological TestsArenavirusNeuronsNerve Tissue ProteinsCognition DisordersCerebral CortexImmunohistochemistryNeurofibrillary TanglesInclusion Bodies, Viral