Pyramidal CellsHippocampusInterneuronsDendritesCA3 Region, HippocampalCA1 Region, HippocampalExcitatory Postsynaptic PotentialsAction PotentialsSynapsesNeocortexSynaptic TransmissionNeural InhibitionPatch-Clamp TechniquesElectric Stimulationgamma-Aminobutyric AcidRats, Sprague-DawleyElectrophysiologyNeuronsMossy Fibers, HippocampalRats, WistarPyramidal TractsTheta RhythmParvalbuminsModels, NeurologicalEvoked PotentialsMembrane PotentialsReceptors, N-Methyl-D-AspartateNerve NetReceptors, GABA-AExcitatory Amino Acid AntagonistsNeuronal PlasticityGABA Antagonists2-Amino-5-phosphonovalerateAxonsInhibitory Postsynaptic PotentialsCalciumCerebral Cortex6-Cyano-7-nitroquinoxaline-2,3-dioneNeural PathwaysLong-Term PotentiationBicucullinePrefrontal CortexGlutamic AcidDentate GyrusDendritic SpinesOrgan Culture TechniquesExcitatory Amino Acid AgonistsSomatosensory CortexReceptors, AMPAElectric FishOscillometryRats, Long-EvansKainic AcidGABA-A Receptor AntagonistsPresynaptic TerminalsEpilepsyAnimals, NewbornEgtazic AcidCa(2+) Mg(2+)-ATPaseReceptors, Metabotropic GlutamateAfferent PathwaysTetrodotoxinPicrotoxinQuinoxalinesS100 Calcium Binding Protein GN-MethylaspartateTime FactorsCalcium Channel BlockersPerforant PathwayElectric ConductivityReceptors, GABA-BPeriodicityPapio ursinusCalbindinsReceptors, Kainic Acidalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidGuinea PigsGerbillinaeBiological Clocks4-AminopyridineBaclofenPotassiumEntorhinal CortexVisual CortexGABA AgonistsStatus EpilepticusCholinergic AgonistsDifferential ThresholdCalbindin 2Potassium ChannelsReceptors, PresynapticSeizuresImmunohistochemistryOlfactory PathwaysChelating AgentsPilocarpinePhosphinic AcidsCA2 Region, HippocampalCarbacholCalcium-Transporting ATPases