DeliriumDelirium, Dementia, Amnestic, Cognitive DisordersAnxiety DisordersMood DisordersDementiaAnxietyCognition DisordersAmnesiaHistamine H3 AntagonistsPhobic DisordersBipolar DisorderNeuropsychological TestsMental DisordersReceptors, Histamine H3Diagnostic and Statistical Manual of Mental DisordersPsychiatric Status Rating ScalesMild Cognitive ImpairmentDepressive Disorder, MajorAlzheimer DiseaseDepressive DisorderCognitionDementia, VascularMemory DisordersNootropic AgentsBrainPanic DisorderAnxiety, SeparationComorbidityAnti-Anxiety AgentsMemoryDepressionObsessive-Compulsive DisorderHistamine AntagonistsInterview, PsychologicalNervous System DiseasesStress Disorders, Post-TraumaticAgoraphobiaAffectCognitive TherapySeverity of Illness IndexSubstance-Related DisordersMaze LearningAgingHippocampusAntidepressive AgentsPsychotic DisordersAttention Deficit Disorder with HyperactivityRisk FactorsPrevalenceFearMagnetic Resonance ImagingAlcohol Withdrawal DeliriumQuestionnairesAntimanic AgentsDysthymic DisorderLongitudinal StudiesDrug DiscoveryPersonality InventoryStress, PsychologicalPsychotropic DrugsSomatoform DisordersPsychometricsAtrophyMotor ActivityAutistic DisorderChild Development Disorders, PervasiveAnalysis of VarianceAffective Disorders, PsychoticEmotionsLearningIrritable MoodPersonality AssessmentDiagnosis, Dual (Psychiatry)Child of Impaired ParentsPsychotherapyProspective StudiesSerotonin Uptake InhibitorsCross-Sectional StudiesCase-Control StudiesConduct DisorderSleep DisordersTreatment OutcomeTemperamentNeuronsAge FactorsAmygdalaAge of OnsetNeurotic DisordersSchizophreniaFollow-Up StudiesSuicide, AttemptedAntipsychotic AgentsTic DisordersReproducibility of ResultsAlcoholismCohort StudiesTime FactorsDementia, Multi-InfarctHealth SurveysSex Factors