GABA AntagonistsBicucullinegamma-Aminobutyric AcidPicrotoxinBethanechol CompoundsStrychnineAminobutyratesGABA-A Receptor AntagonistsReceptors, GABA-AMuscimolPyridazinesNeural InhibitionExcitatory Postsynaptic PotentialsBaclofenGABA AgonistsNeuronsSynapsesSynaptic TransmissionGABA AgentsAction PotentialsGABA ModulatorsExcitatory Amino Acid AntagonistsReceptors, GABA-BInhibitory Postsynaptic PotentialsPresynaptic TerminalsRats, Sprague-DawleyPatch-Clamp TechniquesHippocampusGABA Plasma Membrane Transport ProteinsElectric StimulationReceptors, N-Methyl-D-AspartateSynaptic MembranesGlutamic AcidPost-Synaptic DensityReceptors, AMPARats, WistarGABA Uptake InhibitorsGABA-B Receptor AntagonistsPyramidal CellsDose-Response Relationship, DrugElectrophysiologyPhosphinic AcidsNeuronal PlasticityDopamine AntagonistsHormone AntagonistsDendritesSynaptic PotentialsGABA-A Receptor AgonistsLong-Term PotentiationInterneuronsMiniature Postsynaptic PotentialsReceptors, PresynapticNarcotic Antagonists2-Amino-5-phosphonovalerateMembrane PotentialsNeurokinin-1 Receptor Antagonists6-Cyano-7-nitroquinoxaline-2,3-dioneReceptors, GlutamateNeuromuscular JunctionPiperidinesNeurotransmitter AgentsEvoked PotentialsGABA-B Receptor AgonistsMuscarinic AntagonistsNipecotic AcidsAnimals, NewbornHistamine H2 AntagonistsQuinoxalinesCells, CulturedInterleukin 1 Receptor Antagonist ProteinNicotinic AntagonistsCalciumReceptors, Metabotropic GlutamatePurinergic P1 Receptor AntagonistsN-MethylaspartateNerve Tissue ProteinsGlycineReceptors, NeurotransmitterGuanylate KinaseExcitatory Amino Acid AgonistsTetrodotoxinAdenosine A2 Receptor AntagonistsDendritic SpinesReceptors, CholinergicHistamine H1 AntagonistsAdrenergic alpha-1 Receptor AntagonistsReceptors, SerotoninPurinergic P2 Receptor AntagonistsTime FactorsOrgan Culture TechniquesHistamine AntagonistsGlutamate DecarboxylaseReceptors, GlycineDrug InteractionsCerebral CortexSerotonin 5-HT3 Receptor AntagonistsSerotoninSpinal CordSerotonin 5-HT2 Receptor AntagonistsGABAergic Neurons