Mental Status ScheduleConsciousness DisordersReinforcement ScheduleSubstance PStuporComaConfusionDeliriumDrug Administration ScheduleCognition DisordersStatus EpilepticusSubstance-Related DisordersHyperammonemiaDementiaEpilepsy, GeneralizedHealth StatusImmunization ScheduleColumbidaeProspective StudiesGeriatric AssessmentTreatment OutcomeNutritional StatusTime FactorsMental HealthCognitionIntracranial HypertensionRetrospective StudiesNursing HomesMeningitis, CryptococcalPatient CareHomes for the AgedMental DisordersFee SchedulesRisk FactorsHepatic EncephalopathyReinforcement (Psychology)Glasgow Coma ScaleHeadacheSeizuresAge FactorsConditioning, OperantMeningitis, BacterialExpert SystemsNeuropsychological TestsUnited StatesQuestionnairesPatient TransferActivities of Daily LivingCohort StudiesSeverity of Illness IndexBrain DiseasesFollow-Up StudiesCross-Sectional StudiesMagnetic Resonance ImagingCerebrospinal FluidNeurologic ExaminationReceptors, Neurokinin-1Substance Abuse Treatment CentersLongitudinal StudiesFatal OutcomeElectroencephalographyEmergency Service, HospitalDose-Response Relationship, DrugPrognosisTomography, X-Ray ComputedPsychiatric Status Rating ScalesAppetitive BehaviorMultivariate AnalysisWork Schedule ToleranceDrug and Narcotic ControlBrainBrain NeoplasmsAgingLogistic ModelsDepressionRisk AssessmentThiobarbituric Acid Reactive Substances