BungarotoxinsReceptors, Nicotinicalpha7 Nicotinic Acetylcholine ReceptorNicotinic AntagonistsNicotinic AgonistsNicotineAconitineConotoxinsDihydro-beta-ErythroidineAzocinesBicyclo Compounds, HeterocyclicMecamylamineQuinolizinesAzetidinesCholinergic AgentsProtein SubunitsAcetylcholinePyridinesGalantaminePatch-Clamp TechniquesDimethylphenylpiperazinium IodideNeuronsCholineXenopus laevisNootropic AgentsDopamineIsoxazolesDose-Response Relationship, DrugRats, Sprague-DawleyVentral Tegmental AreaAnabasineSaimiriOocytesTobacco Use DisorderHabenulaSynaptic TransmissionQuinoxalinesGanglionic StimulantsHippocampusDrug Partial AgonismSynaptosomesAlkaloidsGanglia, ParasympatheticConus SnailAzabicyclo CompoundsBenzazepinesSuperior Cervical GanglionTorpedoRadioligand AssayCorpus StriatumMorantelPhenylurea CompoundsCholinergic AgonistsCholinesterase InhibitorsAllosteric RegulationInterneuronsPyrantelBrainCobra Neurotoxin ProteinsElectrophysiologyExcitatory Postsynaptic PotentialsMice, Inbred C57BLBicyclo CompoundsMembrane PotentialsLobelineBenzylidene CompoundsPicolinesMollusk VenomsPresynaptic TerminalsCA1 Region, HippocampalXenopusCholinergic AntagonistsReceptors, PresynapticKynurenic AcidVesicular Acetylcholine Transport Proteins