Alzheimer DiseaseAmyloid beta-Peptidestau ProteinsAmyloid beta-Protein PrecursorNeurofibrillary TanglesPlaque, AmyloidBrainApolipoprotein E4Amyloid Precursor Protein SecretasesDementiaCognition DisordersPresenilin-1AtrophyAmyloidNeuropsychological TestsDementia, VascularNeurofibrilsMild Cognitive ImpairmentApolipoproteins EMagnetic Resonance ImagingPresenilin-2Peptide FragmentsAge of OnsetMental Status ScheduleEarly DiagnosisCognitionHippocampusAgingLewy Body DiseaseMemantinePresenilinsSensitivity and SpecificityAspartic Acid EndopeptidasesAniline CompoundsNeuronsCholinesterase InhibitorsMice, TransgenicAutopsyNational Institute on Aging (U.S.)Delayed DiagnosisMemory DisordersLongitudinal StudiesSubstantia InnominataDisease ProgressionCerebral CortexCerebral Amyloid AngiopathyPositron-Emission TomographyBiological MarkersPrenatal DiagnosisAmyloidogenic ProteinsCohort StudiesBrain ChemistryProdromal SymptomsDisease Models, AnimalRisk FactorsNerve DegenerationCase-Control StudiesGenetic Predisposition to DiseaseProtease NexinsPhenylcarbamatesNeurodegenerative DiseasesTauopathiesDown SyndromeIndansNootropic AgentsGenotypeLewy BodiesPredictive Value of TestsReproducibility of ResultsFrontotemporal DementiaClioquinolThiazolesRetrospective StudiesAmnesiaTemporal LobeTime FactorsSeverity of Illness IndexGenetic TestingAge FactorsPsychomotor AgitationMutationNerve Tissue ProteinsFollow-Up StudiesDiagnosisReference ValuesNeuropil ThreadsInsulysinProspective StudiesApolipoprotein E3Chromosomes, Human, Pair 21TacrineMemoryParkinson DiseaseAmyloidosisImmunohistochemistryMonomeric Clathrin Assembly ProteinsEnzyme-Linked Immunosorbent AssayPhosphorylationAllelesPsychiatric Status Rating Scales