Action PotentialsPatch-Clamp TechniquesVideo RecordingNeuronsMembrane PotentialsElectric StimulationMicroelectrodesElectroencephalographyEvoked PotentialsElectrodes, ImplantedSynaptic TransmissionSynapsesExcitatory Postsynaptic PotentialsNeural InhibitionVideotape RecordingRats, Sprague-DawleySignal Processing, Computer-AssistedTime FactorsTape RecordingCatsElectrodesNeurophysiologyPyramidal CellsTetrodotoxinInterneuronsElectric ConductivityElectromyographygamma-Aminobutyric AcidModels, NeurologicalCalciumHippocampusNeurons, AfferentMotor NeuronsElectrophysiological PhenomenaGABA AntagonistsPotassium ChannelsReaction TimeNerve NetNeural PathwaysRats, WistarBicucullineAfferent PathwaysPhysical StimulationPhotic StimulationNeural ConductionIon ChannelsAnimals, NewbornDendritesIon Channel GatingCerebral CortexPeriodicityExcitatory Amino Acid AntagonistsWakefulnessSpinal CordThalamusAcoustic StimulationAmplifiers, ElectronicBrain MappingGuinea PigsPotassiumInhibitory Postsynaptic Potentials6-Cyano-7-nitroquinoxaline-2,3-dioneTelemetrySomatosensory CortexNeocortexEpilepsyEvoked Potentials, AuditoryBrain StemElectrocardiographyReceptors, GABA-AEvoked Potentials, SomatosensoryEvoked Potentials, VisualSleepGlutamic AcidMonitoring, PhysiologicMovementHeart RateNeuronal PlasticityPresynaptic TerminalsSodium ChannelsMechanoreceptorsVisual CortexReceptors, N-Methyl-D-Aspartate2-Amino-5-phosphonovalerateAxons4-AminopyridineElectrocardiography, AmbulatorySynaptic PotentialsBiological ClocksSensory Receptor CellsBehavior, AnimalDose-Response Relationship, DrugTetraethylammoniumEquipment DesignBrainPotassium Channel BlockersAuditory PathwaysRetinaQuinoxalinesElectroretinography