GABA AntagonistsBicucullinegamma-Aminobutyric AcidBethanechol CompoundsPicrotoxinStrychnineAminobutyratesGABA-A Receptor AntagonistsMuscimolPyridazinesReceptors, GABA-ABaclofenInjectionsGABA AgonistsNeural InhibitionGABA AgentsNeuronsGABA ModulatorsAction PotentialsGABA Plasma Membrane Transport ProteinsReceptors, GABA-BRats, Sprague-DawleyExcitatory Amino Acid AntagonistsDose-Response Relationship, DrugHormone AntagonistsInjections, IntravenousGABA Uptake InhibitorsDopamine AntagonistsInjections, IntramuscularNarcotic AntagonistsNeurokinin-1 Receptor AntagonistsRats, WistarInjections, SubcutaneousGABA-A Receptor AgonistsHistamine H2 AntagonistsInterleukin 1 Receptor Antagonist ProteinMuscarinic AntagonistsInjections, IntraventricularInjections, IntralesionalInjections, Intra-ArticularInjections, IntraperitonealPiperidinesGABA-B Receptor AntagonistsHistamine H1 AntagonistsNipecotic AcidsPurinergic P1 Receptor AntagonistsNicotinic AntagonistsTime FactorsHistamine AntagonistsGABA-B Receptor AgonistsPhosphinic AcidsAdenosine A2 Receptor AntagonistsPurinergic P2 Receptor AntagonistsAdrenergic alpha-1 Receptor AntagonistsSynaptic TransmissionMicroinjectionsPatch-Clamp TechniquesInjections, SpinalSerotonin 5-HT3 Receptor AntagonistsDisease Models, AnimalSerotonin 5-HT2 Receptor AntagonistsInjections, IntradermalMice, Inbred C57BLCells, CulturedElectric StimulationHippocampusGlutamic AcidAdenosine A1 Receptor AntagonistsAngiotensin Receptor AntagonistsReceptors, N-Methyl-D-AspartateDiazepamLeukotriene AntagonistsDrug InteractionsBehavior, AnimalInjections, EpiduralInjections, Intra-ArterialAdrenergic alpha-Antagonists4-Aminobutyrate TransaminaseAdrenergic alpha-2 Receptor AntagonistsGuinea PigsAdrenergic AntagonistsGlutamate DecarboxylaseInhibitory Postsynaptic PotentialsRadioligand AssayElectrophysiologyBrainReceptors, SerotoninDizocilpine MaleateIntravitreal InjectionsBinding, CompetitiveMembrane PotentialsAnimals, NewbornCalciumRats, Inbred StrainsHistamine H3 AntagonistsSerotoninSynapsesCalcium Channel BlockersNaloxoneRabbits