Lewy Body DiseaseExtrapyramidal TractsDementia, VascularDementiaLewy BodiesAlzheimer DiseaseParkinson DiseaseNeuropsychological Testsalpha-SynucleinDementia, Multi-InfarctSynucleinsCognition DisordersBrainCADASILAtrophyNootropic AgentsCholinesterase Inhibitorsbeta-SynucleinPhenylcarbamatesCognitionMagnetic Resonance ImagingAIDS Dementia ComplexAutopsyHallucinationsNeurofibrillary TanglesGalantamineApolipoprotein E4Inclusion BodiesMild Cognitive ImpairmentMental Status ScheduleMemory DisordersIndansCerebrovascular DisordersRisk FactorsAgingLongitudinal StudiesCaregiversLeukoaraiosisNeurodegenerative DiseasesTemporal LobeApolipoproteins ESeverity of Illness IndexNeurofibrilsCohort StudiesMultiple System AtrophyBasal Ganglia Cerebrovascular Diseasetau ProteinsCerebral CortexDisease ProgressionLeukoencephalopathiesCase-Control StudiesSupranuclear Palsy, ProgressiveParkinsonian DisordersAmyloid beta-PeptidesCerebral InfarctionPick Disease of the BrainBrain Ischemia