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 activationModulation of neuronal activity in the hippocampus by 5-hydroxytryptamine and 5-hydroxytryptamine1a selective drugs
Peroutka S, Mauk M, Kocsis J. Modulation of neuronal activity in the hippocampus by 5-hydroxytryptamine and 5-hydroxytryptamine1a selective drugs. Neuropharmacology 1987, 26: 139-146. PMID: 2884586, DOI: 10.1016/0028-3908(87)90201-2.Peer-Reviewed Original ResearchConceptsTVX Q 7821Hippocampal slice preparationSlice preparationDose-dependent mannerMicromolar concentrationsApplication of drugsPopulation spikesRadioligand techniquesOH-DPATSchaffer collateralsHippocampal membranesNeuronal activityPyramidal layerKetanserinBaseline levelsBuspironeInitial increaseDPATSelective drugsDrugsField potentialsPhysiological effectsPopulationSimilar affinityBenzisothiazol-3