AcetylcholinePyrithiamineCholinergic NeuronsKorsakoff SyndromePhysostigmineCholinesterase InhibitorsThiamine DeficiencyCognitionAcetylcholinesteraseMicrodialysisCognition DisordersNeuropsychological TestsPsychomotor PerformanceReceptors, NicotinicReceptors, CholinergicTask Performance and AnalysisMemoryalpha7 Nicotinic Acetylcholine ReceptorAttentionAgingExecutive FunctionReaction TimeIntelligence TestsBungarotoxinsMemory, Short-TermBrainTorpedoMaze LearningAnalysis of VarianceNicotinic AgonistsMental Status ScheduleMagnetic Resonance ImagingTime FactorsSleep DeprivationVerbal LearningVesicular Acetylcholine Transport ProteinsNicotineIntelligenceMemory DisordersReceptors, MuscarinicNicotinic AntagonistsVaccines, DNALearningLongitudinal StudiesAffectAlzheimer DiseaseWechsler ScalesMental RecallStanford-Binet TestCholinergic AntagonistsElectric OrganDose-Response Relationship, DrugAtropineHippocampusDouble-Blind MethodNootropic AgentsPrefrontal CortexAIDS VaccinesSleepNeuromuscular JunctionSchizophreniaReproducibility of ResultsDementiaAge FactorsCarbacholCholinergic AgentsProspective StudiesCholine O-AcetyltransferaseScopolamine HydrobromideBehavior, AnimalCross-Sectional StudiesArousalTubocurarineMotor ActivityCerebral CortexCohort StudiesMental ProcessesPsychometricsRadiotherapy, Intensity-ModulatedPsychological TestsProblem SolvingCholinergic FibersAthletic PerformanceIndividualityMuscarinic AntagonistsRadiotherapy DosageSchizophrenic PsychologyNeuronsCross-Over StudiesMild Cognitive ImpairmentDose FractionationSensitivity and SpecificityCholineBrain MappingEducational StatusAtrophySeverity of Illness IndexAvoidance LearningStroop TestSpatial Behavior