DementiaDementia, VascularAlzheimer DiseaseDementia, Multi-InfarctLewy Body DiseaseAIDS Dementia ComplexCognition DisordersNeuropsychological TestsCaregiversMild Cognitive ImpairmentNursing HomesAtrophyBrainCognitionLewy BodiesGeriatric AssessmentLongitudinal StudiesParkinson DiseaseRisk Factorstau ProteinsMemory DisordersApolipoprotein E4Neurofibrillary TanglesFrontotemporal Lobar DegenerationPick Disease of the BrainAgingPsychomotor AgitationHomes for the AgedMagnetic Resonance ImagingCohort StudiesPsychiatric Status Rating ScalesSeverity of Illness IndexBehavioral SymptomsDisabled PersonsCholinesterase InhibitorsWandering BehaviorInstitutionalizationDisease ProgressionAge FactorsPrevalenceTemporal LobeIncidenceResidential FacilitiesAutopsyFollow-Up StudiesActivities of Daily LivingPlaque, AmyloidAmyloid beta-PeptidesMental CompetencyProspective StudiesNootropic AgentsFrontal LobeUnited StatesAge of OnsetNeurodegenerative DiseasesCross-Sectional StudiesAphasia, Primary ProgressiveGeriatric NursingEducational StatusDeliriumDelirium, Dementia, Amnestic, Cognitive DisordersSupranuclear Palsy, ProgressiveDepressionCerebrovascular DisordersReproducibility of ResultsBrief Psychiatric Rating ScaleMemoryHallucinationsBehaviorApathyComorbidityApolipoproteins ECerebral CortexAphasiaAssisted Living FacilitiesIndianaPredictive Value of TestsMemantineQuestionnairesDNA Repeat ExpansionPhenylcarbamatesHome Nursing