Receptors, NicotinicPresynaptic TerminalsReceptors, PresynapticSynaptic TransmissionSynapsesNeuronsRats, Sprague-DawleyExcitatory Amino Acid AntagonistsHippocampusExcitatory Postsynaptic PotentialsNeuronal PlasticityElectric StimulationNeurotransmitter AgentsNeural InhibitionGABA AntagonistsSynaptic VesiclesGlutamic AcidNerve Tissue ProteinsAction PotentialsRats, WistarDose-Response Relationship, Druggamma-Aminobutyric AcidCells, CulturedDopamine AntagonistsCalciumHormone AntagonistsBrainPatch-Clamp TechniquesReceptors, N-Methyl-D-AspartateElectrophysiologyNeuromuscular JunctionNarcotic AntagonistsNeurokinin-1 Receptor AntagonistsMuscarinic AntagonistsCerebral CortexNicotinic AntagonistsAnimals, NewbornPiperidinesAxonsReceptors, GABA-BHistamine H2 AntagonistsTime FactorsInterleukin 1 Receptor Antagonist ProteinPurinergic P1 Receptor AntagonistsSynaptosomesDendritesMembrane PotentialsCalcium Channel BlockersExcitatory Amino Acid AgonistsMice, Inbred C57BLInterneuronsGABA-A Receptor AntagonistsReceptors, Metabotropic GlutamateMotor NeuronsSignal TransductionSynaptophysinBaclofenSpinal CordSynaptic MembranesCerebellumLong-Term PotentiationMice, KnockoutAdenosine A2 Receptor AntagonistsHistamine H1 AntagonistsTetrodotoxinN-MethylaspartateDopamineSynapsinsInhibitory Postsynaptic PotentialsHistamine AntagonistsNerve EndingsNeurons, AfferentImmunohistochemistryModels, NeurologicalReceptors, AMPA6-Cyano-7-nitroquinoxaline-2,3-dioneGABA-B Receptor AntagonistsMossy Fibers, HippocampalPurinergic P2 Receptor AntagonistsSerotoninAdrenergic alpha-1 Receptor AntagonistsDizocilpine MaleateBehavior, AnimalAdrenergic alpha-2 Receptor AntagonistsAdenosine A1 Receptor AntagonistsBicucullineNorepinephrineReceptors, GlutamateNitric Oxide Synthase Type IAdrenergic alpha-AntagonistsNeuropeptidesBrain StemOrgan Culture Techniques2-Amino-5-phosphonovalerateAcetylcholineCalcium Channels, N-TypeSynaptic PotentialsCalcium ChannelsGABA AgonistsReceptors, GABA-A