GABA AgonistsGABA AntagonistsMuscimolBicucullinegamma-Aminobutyric AcidBaclofenGABA-A Receptor AgonistsReceptors, GABA-APicrotoxinGABA-B Receptor AgonistsIsoxazolesGABA AgentsBethanechol CompoundsGABA-A Receptor AntagonistsGABA ModulatorsStrychnineAminobutyratesRats, Sprague-DawleyNeuronsPyridazinesMicroinjectionsGABA Plasma Membrane Transport ProteinsNeural InhibitionReceptors, GABA-BGABA Uptake InhibitorsDose-Response Relationship, DrugDopamine AgonistsExcitatory Amino Acid AntagonistsDopamine AntagonistsAction PotentialsHormone AntagonistsNarcotic AntagonistsNipecotic AcidsGABA-B Receptor AntagonistsRats, WistarPiperidinesNeurokinin-1 Receptor AntagonistsPhosphinic AcidsPatch-Clamp TechniquesMuscarinic AntagonistsPurinergic P1 Receptor AgonistsHistamine H2 AntagonistsSynaptic TransmissionPurinergic P1 Receptor AntagonistsNicotinic AgonistsMuscarinic AgonistsInterleukin 1 Receptor Antagonist ProteinRadioligand AssayNicotinic AntagonistsCells, CulturedHistamine AgonistsGlutamic AcidHistamine H1 AntagonistsExcitatory Amino Acid AgonistsHistamine Antagonists4-Aminobutyrate TransaminasePurinergic P2 Receptor AntagonistsAdenosine A2 Receptor AntagonistsDiazepamHippocampusDrug InteractionsAdrenergic alpha-2 Receptor AgonistsInhibitory Postsynaptic PotentialsAdrenergic AgonistsBinding, CompetitiveElectric StimulationCalciumSerotonin 5-HT1 Receptor AgonistsReceptors, Opioid, muSerotonin 5-HT2 Receptor AgonistsAdrenergic alpha-1 Receptor AntagonistsAdrenergic alpha-AgonistsGlutamate DecarboxylaseGuinea PigsAdrenergic beta-AgonistsPurinergic P2 Receptor AgonistsSerotonin 5-HT2 Receptor AntagonistsMembrane PotentialsElectrophysiologySerotonin 5-HT3 Receptor AntagonistsLigandsAdrenergic alpha-AntagonistsGlycineReceptors, Dopamine D2Receptors, N-Methyl-D-AspartateSignal TransductionReceptors, Opioid, kappaBenzazepinesQuinoxalinesCholinergic AgonistsAdenosine A1 Receptor AntagonistsBenzodiazepinesBehavior, AnimalSerotoninSynapsesAdenosine A1 Receptor AgonistsAdrenergic alpha-2 Receptor AntagonistsAdenosineReceptors, OpioidMice, Inbred C57BL