2015
Competing Neural Ensembles in Motor Cortex Gate Goal-Directed Motor Output
Zagha E, Ge X, McCormick DA. Competing Neural Ensembles in Motor Cortex Gate Goal-Directed Motor Output. Neuron 2015, 88: 565-577. PMID: 26593093, PMCID: PMC4660255, DOI: 10.1016/j.neuron.2015.09.044.Peer-Reviewed Original ResearchConceptsPopulations of neuronsAnticipation of movementMotor cortexCortical neuronsCortical circuitsIntracellular techniquesUnit recordingsNeural ensemblesMotor outputNeuronsSensory stimuliNeural activityMotor representationsSensory detection taskMotor commandsFuture studiesTask-related neural dynamicsCortexMiceCellular activitiesCortical Membrane Potential Signature of Optimal States for Sensory Signal Detection
McGinley MJ, David SV, McCormick DA. Cortical Membrane Potential Signature of Optimal States for Sensory Signal Detection. Neuron 2015, 87: 179-192. PMID: 26074005, PMCID: PMC4631312, DOI: 10.1016/j.neuron.2015.05.038.Peer-Reviewed Original ResearchConceptsCortical neuronsAuditory cortical neuronsSound-evoked responsesSensory-evoked responsesBackground synaptic activityMembrane potentialTonic periodsSignal detection behaviorSynaptic activityStable hyperpolarizationMembrane potential activitySlow oscillationsHippocampal recordingsNeural correlatesNeuronsTask performanceArousalPotential activityDetection behaviorPhysiological signaturesNoise detection taskArousal measuresMiceActivity
2012
Selective Functional Interactions between Excitatory and Inhibitory Cortical Neurons and Differential Contribution to Persistent Activity of the Slow Oscillation
Tahvildari B, Wölfel M, Duque A, McCormick DA. Selective Functional Interactions between Excitatory and Inhibitory Cortical Neurons and Differential Contribution to Persistent Activity of the Slow Oscillation. Journal Of Neuroscience 2012, 32: 12165-12179. PMID: 22933799, PMCID: PMC3466092, DOI: 10.1523/jneurosci.1181-12.2012.Peer-Reviewed Original ResearchConceptsInhibitory synaptic potentialsSynaptic potentialsEntorhinal cortexSlow oscillationsCortical neuronal subtypesInhibitory synaptic eventsMouse entorhinal cortexSomatostatin-containing interneuronsVasoactive intestinal peptideInhibitory cortical neuronsAction potential activityCortical pyramidal cellsWhole-cell recordingsRecurrent network activitySubmerged slice preparationPersistent activityExcitatory pyramidalDifferent excitatoryPyramidal neuronsIntestinal peptideNeuropeptide YCortical neuronsPyramidal cellsSlice preparationExcitatory neurons
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
2007
State Changes Rapidly Modulate Cortical Neuronal Responsiveness
Hasenstaub A, Sachdev RN, McCormick DA. State Changes Rapidly Modulate Cortical Neuronal Responsiveness. Journal Of Neuroscience 2007, 27: 9607-9622. PMID: 17804621, PMCID: PMC6672966, DOI: 10.1523/jneurosci.2184-07.2007.Peer-Reviewed Original ResearchConceptsNeuronal responsivenessWhisker stimulationWhisker stimuliCircuit activityCortical neuronal responsivenessLocal circuit activityNetwork activityAction potential responsesLocal network activityRodent somatosensory cortexPostsynaptic potentialsSomatosensory cortexCortical neuronsIntracellular injectionWhisker deflectionCortical stateWhisker movementsPotential responsivenessAbility of stimuliSensory stimuliInhibitory mechanismStimulationResponsivenessSpontaneous alterationUp statesEnhancement of Visual Responsiveness by Spontaneous Local Network Activity In Vivo
Haider B, Duque A, Hasenstaub A, Yu Y, McCormick D. Enhancement of Visual Responsiveness by Spontaneous Local Network Activity In Vivo. Journal Of Neurophysiology 2007, 97: 4186-4202. PMID: 17409168, DOI: 10.1152/jn.01114.2006.Peer-Reviewed Original ResearchConceptsPostsynaptic potentialsVisual responsivenessSpontaneous depolarizationsNetwork activityNeocortical network activityInhibitory synaptic potentialsPrimary visual cortexLocal network activityAction potential generationContrast response functionsCortical neuronsSynaptic potentialsSynaptic transmissionSpontaneous activityMembrane potential depolarizationKetamine-xylazineExtracellular recordingsVisual cortexAction potentialsLocal circuitsIntegrative propertiesSensory responsesPotential depolarizationSlow oscillationsPotential generation
2006
Properties of Action-Potential Initiation in Neocortical Pyramidal Cells: Evidence From Whole Cell Axon Recordings
Shu Y, Duque A, Yu Y, Haider B, McCormick D. Properties of Action-Potential Initiation in Neocortical Pyramidal Cells: Evidence From Whole Cell Axon Recordings. Journal Of Neurophysiology 2006, 97: 746-760. PMID: 17093120, DOI: 10.1152/jn.00922.2006.Peer-Reviewed Original ResearchConceptsCortical pyramidal cellsAction potential initiationAxon initial segmentPyramidal cellsAction potentialsSynaptic activityLayer 5 pyramidal neuronsSimultaneous whole-cell recordingsWhole-cell recordingsNeocortical pyramidal cellsRecurrent network activityAction potential generationInitial segmentIntradendritic injectionPyramidal neuronsApical dendritesEpileptiform activityCortical neuronsEpileptiform dischargesIntracortical axonsEpileptic seizuresSynaptic bombardmentCell recordingsDistal axonsSynaptic barrages
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 majorityActivityExcitabilityExcitatoryAdaptation and Temporal Decorrelation by Single Neurons in the Primary Visual Cortex
Wang X, Liu Y, Sanchez-Vives M, McCormick D. Adaptation and Temporal Decorrelation by Single Neurons in the Primary Visual Cortex. Journal Of Neurophysiology 2003, 89: 3279-3293. PMID: 12649312, DOI: 10.1152/jn.00242.2003.Peer-Reviewed Original ResearchConceptsPrimary visual cortical neuronsVisual cortical slicesCellular mechanismsVisual cortical neuronsIntrinsic membrane propertiesPrimary visual cortexPossible cellular mechanismsSensory inputSlow afterhyperpolarizationIntrinsic ionic currentsCortical slicesLayer 2/3Cortical neuronsNeocortical neuronsIntracellular injectionV1 neuronsNeuronal responsesVisual cortexEfficient neural codingModel neuronsReal-world sensory inputsNeuronsIonic currentsProlonged changesSingle neuronsElectrophysiological Classes of Cat Primary Visual Cortical Neurons In Vivo as Revealed by Quantitative Analyses
Nowak L, Azouz R, Sanchez-Vives M, Gray C, McCormick D. Electrophysiological Classes of Cat Primary Visual Cortical Neurons In Vivo as Revealed by Quantitative Analyses. Journal Of Neurophysiology 2003, 89: 1541-1566. PMID: 12626627, DOI: 10.1152/jn.00580.2002.Peer-Reviewed Original ResearchConceptsAction potentialsElectrophysiological classesCortical neuronsIntrinsic burstingPrimary visual cortical neuronsShort-duration action potentialsCortical neuronal functionSpiny stellate cellsRegular spikingSpiny stellate neuronsVisual cortical neuronsFrequency adaptationCat area 17High-frequency burstsSpike frequency adaptationCH neuronsTonic trainsNonpyramidal cellsIB neuronsRS neuronsStellate neuronsPyramidal cellsArea 17FS neuronsStellate cellsBalanced 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
2001
Synaptojanin 1 Contributes to Maintaining the Stability of GABAergic Transmission in Primary Cultures of Cortical Neurons
Lüthi A, Di Paolo G, Cremona O, Daniell L, De Camilli P, McCormick D. Synaptojanin 1 Contributes to Maintaining the Stability of GABAergic Transmission in Primary Cultures of Cortical Neurons. Journal Of Neuroscience 2001, 21: 9101-9111. PMID: 11717343, PMCID: PMC6763888, DOI: 10.1523/jneurosci.21-23-09101.2001.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsAnimals, NewbornCells, CulturedCerebral CortexElectric StimulationExcitatory Amino Acid AntagonistsExcitatory Postsynaptic PotentialsGABA AntagonistsGamma-Aminobutyric AcidMiceNerve Tissue ProteinsNeural InhibitionNeuronsPatch-Clamp TechniquesPhosphatidylinositolsPhosphoric Monoester HydrolasesSodium Channel BlockersSynapsesSynaptic TransmissionSynaptic VesiclesConceptsPaired-pulse depressionHalf-maximal depressionSteady-state depressionSynaptic depressionWhole-cell patch-clamp recordingsSlow depressionInhibitory synaptic responsesPaired-pulse protocolPrimary cortical culturesHigh-frequency stimulationPatch-clamp recordingsBi-exponential time courseUnitary IPSCsGABA releaseGABAergic transmissionCortical culturesPostsynaptic responsesCortical neuronsInhibitory synapsesSynaptic responsesSynaptojanin 1Presynaptic stimulationInhibitory neuronsRelease probabilityStimulation frequency
2000
Ionic Mechanisms Underlying Repetitive High-Frequency Burst Firing in Supragranular Cortical Neurons
Brumberg J, Nowak L, McCormick D. Ionic Mechanisms Underlying Repetitive High-Frequency Burst Firing in Supragranular Cortical Neurons. Journal Of Neuroscience 2000, 20: 4829-4843. PMID: 10864940, PMCID: PMC6772270, DOI: 10.1523/jneurosci.20-13-04829.2000.Peer-Reviewed Original ResearchConceptsLayer II/III pyramidal neuronsHigh-frequency burst dischargesAction potential generationAction potentialsPyramidal neuronsCortical neuronsBurst dischargesHigh-frequency burst firingVisual cortical slicesAction potential burstsFirst action potentialBurst-firing modeHigh-frequency burstsPotential generationIonic mechanismsIntrinsic burstsCortical slicesLocal cortical networksBurst firingNeocortical neuronsIntracellular recordingsPostsynaptic neuronsATX IIQX-314Single spikingCorticothalamic Inputs Control the Pattern of Activity Generated in Thalamocortical Networks
Blumenfeld H, McCormick D. Corticothalamic Inputs Control the Pattern of Activity Generated in Thalamocortical Networks. Journal Of Neuroscience 2000, 20: 5153-5162. PMID: 10864972, PMCID: PMC6772273, DOI: 10.1523/jneurosci.20-13-05153.2000.Peer-Reviewed Original ResearchConceptsParoxysmal oscillationsThalamic burstsReceptor antagonist CGP 35348Corticothalamic tractsSpindle wavesAntagonist CGP 35348Receptor antagonist picrotoxinSlow-wave sleepHz oscillationsHigh-frequency burstsNormal action potentialPerigeniculate neuronsCGP 35348Antagonist picrotoxinSlow IPSPCorticothalamic inputsFast IPSPsThalamocortical neuronsCortical influencesAbsence seizuresBurst firingCortical neuronsCortical firingThalamocortical networkCorticothalamic networksMembrane Mechanisms Underlying Contrast Adaptation in Cat Area 17In Vivo
Sanchez-Vives M, Nowak L, McCormick D. Membrane Mechanisms Underlying Contrast Adaptation in Cat Area 17In Vivo. Journal Of Neuroscience 2000, 20: 4267-4285. PMID: 10818163, PMCID: PMC6772627, DOI: 10.1523/jneurosci.20-11-04267.2000.Peer-Reviewed Original ResearchConceptsPrimary visual cortexContrast adaptationDorsal lateral geniculate nucleus (dLGN) neuronsVisual cortexLateral geniculate nucleus neuronsCat primary visual cortexAction potential activityHigh-contrast visual stimulusIntrinsic neuronal mechanismsMembrane potentialApparent membrane conductanceVisual cortex cellsVisual stimuliLow-contrast stimuliNeuronal responsivenessDLGN cellsNucleus neuronsCortical neuronsIntracellular recordingsIntracellular injectionNeuronal activityReduced responsivenessSynaptic barragesNeuronal mechanismsFiring rateCellular Mechanisms of Long-Lasting Adaptation in Visual Cortical Neurons In Vitro
Sanchez-Vives M, Nowak L, McCormick D. Cellular Mechanisms of Long-Lasting Adaptation in Visual Cortical Neurons In Vitro. Journal Of Neuroscience 2000, 20: 4286-4299. PMID: 10818164, PMCID: PMC6772630, DOI: 10.1523/jneurosci.20-11-04286.2000.Peer-Reviewed Original ResearchConceptsSpike frequency adaptationSlow afterhyperpolarizationCortical neuronsFerret primary visual cortexProlonged dischargeCellular mechanismsVisual cortical neuronsPrimary visual cortexSlow spike frequency adaptationIntracellular recordingsIntracellular injectionRightward shiftAfterhyperpolarizationVisual cortexReversal potentialContrast adaptationNeuronsDischarge frequencyMembrane conductanceVivoVisual systemBlockadeCortexImportant role
1997
Influence of low and high frequency inputs on spike timing in visual cortical neurons.
Nowak L, Sanchez-Vives M, McCormick D. Influence of low and high frequency inputs on spike timing in visual cortical neurons. Cerebral Cortex 1997, 7: 487-501. PMID: 9276174, DOI: 10.1093/cercor/7.6.487.Peer-Reviewed Original ResearchConceptsCortical neuronsAction potentialsFerret visual cortexAction potential dischargeVisual cortical neuronsInterspike intervalsAction potential generationAction potential timingTemporal precisionPostsynaptic potentialsGamma frequency rangeIntracellular recordingsIntracellular injectionVisual cortexPotential dischargeNeuronsVisual stimulationCortical networksRegular spikingSensory stimuliSingle trialHigh temporal precisionPotential timingHigh frequencyPotential generation
1993
Neurotransmitter Control of Neocortical Neuronal Activity and Excitability
McCormick D, Wang Z, Huguenard J. Neurotransmitter Control of Neocortical Neuronal Activity and Excitability. Cerebral Cortex 1993, 3: 387-398. PMID: 7903176, DOI: 10.1093/cercor/3.5.387.Peer-Reviewed Original ResearchConceptsActivation of muscarinicMetabotropic receptorsPyramidal cellsLayers II/IIISingle spike activityGlutamate metabotropic receptorsDuration of EPSPsAction potential generationSpike frequency adaptationCurrent IAHPGABAergic neuronsCortical neuronsGABAA receptorsNMDA receptorsH2-histaminergicNeurotransmitter systemsNeurons resultsSerotoninergic receptorsCortical circuitsNeuronal activityNeurotransmitter controlNeuronal circuitsNeocortical neuronal activityAlpha 1Functional activation
1992
Neurotransmitter Actions in the Thalamus and Cerebral Cortex
McCormick D. Neurotransmitter Actions in the Thalamus and Cerebral Cortex. Journal Of Clinical Neurophysiology 1992, 9: 212-223. PMID: 1350591, DOI: 10.1097/00004691-199204010-00004.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidCerebral cortexThalamocortical activityInhibitory amino acidsSleep-wake cyclePostsynaptic actionsCortical neuronsNeurotransmitter actionEpileptic seizuresSynaptic informationTransmitter actionThalamusNorepinephrineAcetylcholineCortexNeurotransmittersSeizuresExcitabilityNeocortexHistamineExcitatoryState of activityNeuronsActivity