2011
Active Action Potential Propagation But Not Initiation in Thalamic Interneuron Dendrites
Casale A, McCormick D. Active Action Potential Propagation But Not Initiation in Thalamic Interneuron Dendrites. Journal Of Neuroscience 2011, 31: 18289-18302. PMID: 22171033, PMCID: PMC3269759, DOI: 10.1523/jneurosci.4417-11.2011.Peer-Reviewed Original ResearchConceptsDorsal lateral geniculate nucleusLateral geniculate nucleusSomatic current injectionAction potentialsDendritic arborsGeniculate nucleusSynaptic stimulationThalamic interneuronsMouse dorsal lateral geniculate nucleusDendritic neurotransmitter releaseEntire dendritic arborSingle action potentialAxon initial segmentVoltage-gated sodiumProximal dendritesDendritic appendagesInhibitory neurotransmitterExcitatory inputsInhibitory interneuronsVoltage-sensitive dyeSynaptic inputsThalamocortical cellsCalcium transientsCalcium imagingNeurotransmitter release
2008
Cortical Action Potential Backpropagation Explains Spike Threshold Variability and Rapid-Onset Kinetics
Yu Y, Shu Y, McCormick DA. Cortical Action Potential Backpropagation Explains Spike Threshold Variability and Rapid-Onset Kinetics. Journal Of Neuroscience 2008, 28: 7260-7272. PMID: 18632930, PMCID: PMC2664555, DOI: 10.1523/jneurosci.1613-08.2008.Peer-Reviewed Original ResearchConceptsAxon initial segmentAction potentialsAction potential backpropagationAction potential outputAction potential responsesThreshold variabilityInitial segmentCortical neuronsSynaptic activitySynaptic inputsSomatic recordingsCortical ensemblesSensorimotor integrationRate variabilityAction potential eventsSpike initiationAmplitude-time courseTime courseHigh rateTrial variabilityNeurons
2003
Barrages of Synaptic Activity Control the Gain and Sensitivity of Cortical Neurons
Shu Y, Hasenstaub A, Badoual M, Bal T, McCormick D. Barrages of Synaptic Activity Control the Gain and Sensitivity of Cortical Neurons. Journal Of Neuroscience 2003, 23: 10388-10401. PMID: 14614098, PMCID: PMC6741011, DOI: 10.1523/jneurosci.23-32-10388.2003.Peer-Reviewed Original ResearchConceptsSynaptic activityCortical neuronsLayer 5 pyramidal cellsVisual cortical slicesInhibitory synaptic activityOngoing synaptic activityEnhancement of responsivenessAction potential activationBackground synaptic activityExcitatory postsynaptic conductancesSpike-timing precisionInput-output curvesProbability of responseNeuronal responsivenessCortical slicesPyramidal cellsIntracellular recordingsSynaptic inputsSpontaneous periodSynaptic bombardmentSynaptic barragesPostsynaptic conductanceMembrane depolarizationNeuronal processingCortical cellsTurning on and off recurrent balanced cortical activity
Shu Y, Hasenstaub A, McCormick D. Turning on and off recurrent balanced cortical activity. Nature 2003, 423: 288-293. PMID: 12748642, DOI: 10.1038/nature01616.Peer-Reviewed Original ResearchConceptsCerebral cortexLocal cortical circuitsCortical neuronsNeuronal excitabilitySynaptic inputsCortical circuitsSpontaneous activityCortical activitySynaptic connectionsRecurrent excitationCortical organizationCortexNeuronsLocal recurrent connectionsRecurrent activitySelf-sustained activityHypothesized roleInhibitionVast majorityActivityExcitabilityExcitatoryBalanced Recurrent Excitation and Inhibition in Local Cortical Networks
McCormick D, Shu Y, Hasenstaub A. Balanced Recurrent Excitation and Inhibition in Local Cortical Networks. 2003, 113-124. DOI: 10.1007/978-1-4615-0039-1_8.Peer-Reviewed Original ResearchCortical pyramidal cellsPyramidal cellsSynaptic inputsCortical laminaeCortical networksLocal pyramidal cellsRecurrent excitatory networkCortical dischargesGABAergic neuronsCerebral cortexDense innervationGABAergic inhibitoryGABAergic interneuronsLocal axonsLocal cortical networksCortical neuronsExcitatory inputsCortical areasExcitatory communicationPresynaptic cellRecurrent excitationExcitatory networksInhibitory controlPatterns of connectivityCortex
1989
Cholinergic and noradrenergic modulation of thalamocortical processing
McCormick D. Cholinergic and noradrenergic modulation of thalamocortical processing. Trends In Neurosciences 1989, 12: 215-221. PMID: 2473557, DOI: 10.1016/0166-2236(89)90125-2.Peer-Reviewed Original ResearchConceptsThalamocortical processingPeriods of drowsinessState of excitabilityModulatory neurotransmitter systemsNeuronal responsivenessNoradrenergic componentThalamocortical rhythmsCortical neuronsNeurotransmitter systemsNoradrenergic modulationSynaptic inputsNeuronal activityPotassium currentSynchronized sleepMarked increaseRhythmic oscillationsRhythmNorepinephrineAcetylcholineExcitabilitySleepNeuronsDrowsiness