1987
Activity-evoked increases in extracellular potassium modulate presynaptic excitability in the CA1 region of the hippocampus
Poolos N, Mauk M, Kocsis J. Activity-evoked increases in extracellular potassium modulate presynaptic excitability in the CA1 region of the hippocampus. Journal Of Neurophysiology 1987, 58: 404-416. PMID: 3655875, DOI: 10.1152/jn.1987.58.2.404.Peer-Reviewed Original ResearchConceptsEnd of stimulationConduction velocityRepetitive stimulationCA1 afferentsStratum radiatumCA1 regionPostsynaptic elementsPostsynaptic activityBiphasic changeRat hippocampal slice preparationCompound action potentialHippocampal slice preparationCharacteristic field potentialHigher stimulation frequenciesPostsynaptic modulationPresynaptic volleyKynurenic acidPyramidal cellsSlice preparationPresynaptic axonsPresynaptic excitabilitySynaptic transmissionConduction blockIon-sensitive microelectrodesPostsynaptic activation
1981
Modulation of Parallel Fiber Excitability by Postsynaptically Mediated Changes in Extracellular Potassium
Malenka R, Kocsis J, Ransom B, Waxman S. Modulation of Parallel Fiber Excitability by Postsynaptically Mediated Changes in Extracellular Potassium. Science 1981, 214: 339-341. PMID: 7280695, DOI: 10.1126/science.7280695.Peer-Reviewed Original ResearchConceptsSynaptic field potentialsField potentialsParallel fiber stimulationExtracellular potassium concentrationRat cerebellar cortexParallel fibersAfferent fibersPostsynaptic elementsFiber excitabilityCerebellar cortexExtracellular potassiumFiber stimulationExcitabilityMarked increasePotassium concentrationStimulationMolecular layer