Receptors, NicotinicNicotinic AntagonistsNicotinic Agonistsalpha7 Nicotinic Acetylcholine ReceptorNicotineGABA AntagonistsAconitineGABA AgonistsInterleukin 1 Receptor Antagonist ProteinDihydro-beta-ErythroidineBungarotoxinsAzocinesBicyclo Compounds, HeterocyclicMecamylamineDimethylphenylpiperazinium Iodidegamma-Aminobutyric AcidNeurokinin-1 Receptor AntagonistsRats, Sprague-DawleyDose-Response Relationship, DrugQuinolizinesAcetylcholineGABA AgentsExcitatory Amino Acid AntagonistsPiperidinesReceptors, GABA-AMuscarinic AntagonistsHexamethoniumNeuronsGABA ModulatorsPurinergic P1 Receptor AntagonistsGABA-A Receptor AntagonistsPyridinesHistamine H2 AntagonistsSerotonin 5-HT3 Receptor AntagonistsRats, WistarDopamine AntagonistsAngiotensin Receptor AntagonistsCholinergic AgentsGanglionic StimulantsAdenosine A2 Receptor AntagonistsSerotonin 5-HT2 Receptor AntagonistsSynaptic TransmissionPatch-Clamp TechniquesHormone AntagonistsConotoxinsReceptors, GABA-BGABA Plasma Membrane Transport ProteinsRadioligand AssayBicucullineAdenosine A1 Receptor AntagonistsAnabasinePurinergic P2 Receptor AntagonistsNarcotic AntagonistsSerotonin AntagonistsHistamine H1 AntagonistsBenzazepinesDopamineReceptors, N-Methyl-D-AspartateElectric StimulationDizocilpine MaleateReceptors, EndothelinQuinoxalinesReceptors, SerotoninGABA-B Receptor AntagonistsGalantamineAtropineDrug InteractionsHippocampusBinding, CompetitiveGlutamic AcidElectrophysiologyBehavior, AnimalReceptors, MuscarinicMembrane PotentialsHistamine AntagonistsProtein SubunitsAlkaloidsGuinea PigsSialoglycoproteinsPicolinesCells, CulturedLeukotriene AntagonistsBaclofenReceptor, Endothelin ABenzylidene CompoundsGABA Uptake InhibitorsSerotonin 5-HT1 Receptor AntagonistsCholinesterase InhibitorsCalciumTubocurarineGanglia, ParasympatheticNeural InhibitionSerotoninGABA-A Receptor AgonistsBrainCorpus StriatumReceptors, CholinergicBiphenyl CompoundsXenopus laevisReceptors, Serotonin, 5-HT3