2016
Divisive suppression explains high-precision firing and contrast adaptation in retinal ganglion cells
Cui Y, Wang YV, Park SJ, Demb JB, Butts DA. Divisive suppression explains high-precision firing and contrast adaptation in retinal ganglion cells. ELife 2016, 5: e19460. PMID: 27841746, PMCID: PMC5108594, DOI: 10.7554/elife.19460.Peer-Reviewed Original ResearchConceptsExcitatory synaptic inputsSynaptic inputsGanglion cell functionContrast adaptationRetinal ganglion cellsGanglion cell inputsComplex neural circuitsGanglion cell outputCell-intrinsic mechanismsGanglion cellsDivisive interactionMouse retinaNeural circuitsSpike responsesCell functionDivisive suppressionSensory processingCell inputSpike generation mechanismMillisecond precisionVisual processingSpike trainsCell outputSuppressionRetina
2014
Excitatory Synaptic Inputs to Mouse On-Off Direction-Selective Retinal Ganglion Cells Lack Direction Tuning
Park SJ, Kim IJ, Looger LL, Demb JB, Borghuis BG. Excitatory Synaptic Inputs to Mouse On-Off Direction-Selective Retinal Ganglion Cells Lack Direction Tuning. Journal Of Neuroscience 2014, 34: 3976-3981. PMID: 24623775, PMCID: PMC3951696, DOI: 10.1523/jneurosci.5017-13.2014.Peer-Reviewed Original ResearchConceptsDirection-selective ganglion cellsOFF direction-selective ganglion cellsStarburst amacrine cellsGlutamate releaseBipolar cellsExcitatory currentsPreferred direction motionBipolar cell typesExcitatory synaptic inputsNull-direction inhibitionGABA-A receptorsWhole-cell recordingsNull-direction motionDSGC dendritesGABA releaseCholinergic inputAmacrine cellsGanglion cellsSynaptic mechanismsSynaptic inputsMammalian retinaMouse retinaIntensity-based glutamate-sensing fluorescent reporterDirection selectivityDirection tuning