DementiaEarly DiagnosisDementia, VascularAlzheimer DiseaseDementia, Multi-InfarctSensitivity and SpecificityDelayed DiagnosisLewy Body DiseaseCognition DisordersAIDS Dementia ComplexNeuropsychological TestsRetrospective StudiesMagnetic Resonance ImagingPrenatal DiagnosisRisk FactorsPredictive Value of TestsTomography, X-Ray ComputedCaregiversProspective StudiesBrainTime FactorsFollow-Up StudiesBiological MarkersAtrophyReproducibility of ResultsMild Cognitive ImpairmentSeverity of Illness IndexCohort StudiesDisease ProgressionDiagnostic ErrorsPrognosisIncidenceTreatment OutcomeInfant, NewbornDiagnosisNursing HomesPrevalenceCognitionBiopsyAge FactorsFatal OutcomeParkinson DiseaseLongitudinal StudiesCase-Control Studiestau ProteinsROC CurvePolymerase Chain ReactionLewy BodiesAge of OnsetAutopsyEarly Detection of CancerMass ScreeningGeriatric AssessmentFrontotemporal Lobar DegenerationNeurofibrillary TanglesMemory DisordersApolipoprotein E4AgingPsychiatric Status Rating ScalesDiagnosis, Computer-AssistedTumor Markers, BiologicalPick Disease of the BrainEnzyme-Linked Immunosorbent AssayCross-Sectional StudiesSyndromePregnancyNursing DiagnosisPsychomotor AgitationTuberculosis, MeningealNeonatal ScreeningHomes for the AgedAcute DiseaseClinical Enzyme TestsComorbidityBehavioral SymptomsDiagnostic ImagingUnited StatesMolecular Diagnostic TechniquesQuestionnairesClinical Laboratory TechniquesCholinesterase InhibitorsPositron-Emission TomographyFetal DiseasesAspergillosisBiopsy, NeedleAmyloid beta-PeptidesTemporal LobePhysical ExaminationActivities of Daily LivingRisk AssessmentWandering BehaviorLogistic ModelsGenetic TestingInstitutionalizationImmunoassayBrain DiseasesReagent Kits, DiagnosticSex FactorsAlgorithmsPlaque, Amyloid