2010
Synaptic and Network Mechanisms of Sparse and Reliable Visual Cortical Activity during Nonclassical Receptive Field Stimulation
Haider B, Krause MR, Duque A, Yu Y, Touryan J, Mazer JA, McCormick DA. Synaptic and Network Mechanisms of Sparse and Reliable Visual Cortical Activity during Nonclassical Receptive Field Stimulation. Neuron 2010, 65: 107-121. PMID: 20152117, PMCID: PMC3110675, DOI: 10.1016/j.neuron.2009.12.005.Peer-Reviewed Original ResearchConceptsClassical receptive fieldCat primary visual cortexReceptive field stimulationVisual cortical activityPrimary visual cortexReceptive fieldsNonclassical receptive fieldPyramidal neuronsField stimulationSynaptic potentialsEntire visual fieldMembrane potential responsesNeuronal subtypesCortical activityVisual cortexRecurrent excitationVisual fieldVisual responsesIncreased activityStimulationInhibitory barragesNeuron spikingNetwork mechanismsVisual system studiesNatural vision
2007
α2A-Adrenoceptors Strengthen Working Memory Networks by Inhibiting cAMP-HCN Channel Signaling in Prefrontal Cortex
Wang M, Ramos BP, Paspalas CD, Shu Y, Simen A, Duque A, Vijayraghavan S, Brennan A, Dudley A, Nou E, Mazer JA, McCormick DA, Arnsten AF. α2A-Adrenoceptors Strengthen Working Memory Networks by Inhibiting cAMP-HCN Channel Signaling in Prefrontal Cortex. Cell 2007, 129: 397-410. PMID: 17448997, DOI: 10.1016/j.cell.2007.03.015.Peer-Reviewed Original ResearchConceptsHCN channel blockadePrefrontal cortical neuronsDelay-related firingΑ2A adrenoceptorsChannel blockadeCortical neuronsInhibition of cAMPAlpha2A adrenoceptorsDendritic spinesNetwork firingElectrophysiological studiesPFC neuronsRecurrent excitationFunctional connectivityHCN channelsPrefrontal cortexHCN1 channelsPFC networksCAMP inhibitionStimulationBlockade
2006
Neocortical Network Activity In Vivo Is Generated through a Dynamic Balance of Excitation and Inhibition
Haider B, Duque A, Hasenstaub A, McCormick D. Neocortical Network Activity In Vivo Is Generated through a Dynamic Balance of Excitation and Inhibition. Journal Of Neuroscience 2006, 26: 4535-4545. PMID: 16641233, PMCID: PMC6674060, DOI: 10.1523/jneurosci.5297-05.2006.Peer-Reviewed Original ResearchConceptsCerebral cortexNeocortical network activityReversal potentialUp statesPersistent network activityNetwork activityDepolarized reversal potentialSpontaneous network activityField potential recordingsLocal cortical circuitsLocal field potential recordingsNeuronal responsivenessCortical functionRecurrent excitatoryCortical circuitsSynaptic currentsPotential recordingsRecurrent excitationExcitatory conductancePrefrontal cortexInhibitory connectionsCortexStable network statesSlow oscillationsInhibition