2011
Delayed-Rectifier K Channels Contribute to Contrast Adaptation in Mammalian Retinal Ganglion Cells
Weick M, Demb JB. Delayed-Rectifier K Channels Contribute to Contrast Adaptation in Mammalian Retinal Ganglion Cells. Neuron 2011, 71: 166-179. PMID: 21745646, PMCID: PMC3134798, DOI: 10.1016/j.neuron.2011.04.033.Peer-Reviewed Original ResearchConceptsRetinal ganglion cellsGanglion cellsSubsequent depolarizationContrast adaptationOFF alpha ganglion cellsMammalian retinal ganglion cellsAlpha ganglion cellsGuinea pig retinaK channelsSuppress excitabilityPig retinaNa channel inactivationFiring responsesBrief depolarizationBrief hyperpolarizationRectifier K channelsVisual stimulationSomatic membrane patchesChannel inactivationDepolarizationPhysiological rangeIntrinsic mechanismHyperpolarizationCellsSalamander cells
2004
How Retinal Ganglion Cells Prevent Synaptic Noise From Reaching the Spike Output
Demb JB, Sterling P, Freed MA. How Retinal Ganglion Cells Prevent Synaptic Noise From Reaching the Spike Output. Journal Of Neurophysiology 2004, 92: 2510-2519. PMID: 15175375, DOI: 10.1152/jn.00108.2004.Peer-Reviewed Original ResearchConceptsSynaptic convergenceSpike outputGanglion cellsIntracellular recordingsSynaptic inputsSpike responsesF1 responseRetinal ganglion cellsSpike rateNeuron synaptic inputsPrimary visual cortexExtracellular recordingsVisual cortexPeak depolarizationStimulus frequencyStimulus cycleSynaptic vesiclesStimulus contrastStrong stimulusSynaptic noiseDepolarizationNeuronsParadoxical findingsMembrane potentialSame cells