SchizophreniaReceptor, Muscarinic M3Receptor, Muscarinic M1Receptors, MuscarinicReceptor, Muscarinic M2Muscarinic AntagonistsMuscarinic AgonistsReceptor, Muscarinic M4Schizophrenic PsychologyN-MethylscopolamineReceptor, Muscarinic M5DiaminesCarbacholParasympatholyticsPirenzepineSchizophrenia, ParanoidGallamine TriethiodideAntipsychotic AgentsAtropineDiphenylacetic AcidsSchizophrenia, DisorganizedCholinergic AgonistsCholinergic AgentsAcetylcholineSchizophrenia, ChildhoodThiadiazolesMuscarinePsychotic DisordersScopolamine HydrobromideDioxolanesSchizophrenia, CatatonicScopolamine DerivativesPiperidinesPsychiatric Status Rating ScalesParasympathomimeticsBiperidenDicyclomineBethanecholRadioligand AssayOxotremorineSchizotypal Personality DisorderMuscle, SmoothCognition DisordersSchizophrenic LanguageNeuropsychological TestsPilocarpineMethacholine ChlorideCHO CellsClozapineBipolar DisorderGuinea PigsBrainMaltaRisperidoneBrief Psychiatric Rating ScalePrefrontal CortexDelusionsDose-Response Relationship, DrugCricetinaeTracheaHallucinationsBenztropineGTP-Binding ProteinsTropicamideDrug AgonismAffective Disorders, PsychoticIleumSensory GatingObidoxime ChlorideHaloperidolMuscle ContractionGTP-Binding Protein alpha Subunits, Gq-G11Delirium, Dementia, Amnestic, Cognitive DisordersMagnetic Resonance ImagingGTP-Binding Protein alpha Subunits, Gi-GoIsatinPertussis ToxinPhosphatidylinositolsAllosteric RegulationSocial AdjustmentType C PhospholipasesCricetulusTacrineRats, Sprague-DawleyCholinergic FibersVirulence Factors, BordetellaRGS ProteinsStartle ReactionInositol PhosphatesBinding, CompetitiveAnalysis of VarianceCase-Control StudiesGuanosine 5'-O-(3-Thiotriphosphate)BenzodiazepinesCerebral CortexGenetic Predisposition to DiseasePropylbenzilylcholine MustardHeart AtriaEndophenotypesG Protein-Coupled Inwardly-Rectifying Potassium Channels