Mental Status ScheduleConsciousness DisordersReinforcement ScheduleStuporComaConfusionDeliriumDrug Administration ScheduleCognition DisordersStatus EpilepticusHyperammonemiaDementiaEpilepsy, GeneralizedHealth StatusImmunization ScheduleColumbidaeGeriatric AssessmentProspective StudiesNutritional StatusIntracranial HypertensionTreatment OutcomeCognitionNursing HomesRetrospective StudiesMeningitis, CryptococcalPatient CareMental HealthHomes for the AgedFee SchedulesTime FactorsHepatic EncephalopathyGlasgow Coma ScaleReinforcement (Psychology)HeadacheSeizuresConditioning, OperantMeningitis, BacterialExpert SystemsRisk FactorsViral Core ProteinsPatient TransferActivities of Daily LivingNeuropsychological TestsAge FactorsMental DisordersBrain DiseasesMagnetic Resonance ImagingCohort StudiesCerebrospinal FluidQuestionnairesSeverity of Illness IndexNeurologic ExaminationFollow-Up StudiesFatal OutcomeUnited StatesCross-Sectional StudiesElectroencephalographyPrognosisTomography, X-Ray ComputedEmergency Service, HospitalAppetitive BehaviorWork Schedule ToleranceLongitudinal StudiesBrain NeoplasmsMultivariate AnalysisAgingBrainDose-Response Relationship, DrugPsychiatric Status Rating Scales