2010
Endogenous Electric Fields May Guide Neocortical Network Activity
Fröhlich F, McCormick DA. Endogenous Electric Fields May Guide Neocortical Network Activity. Neuron 2010, 67: 129-143. PMID: 20624597, PMCID: PMC3139922, DOI: 10.1016/j.neuron.2010.06.005.Peer-Reviewed Original Research
2007
Enhancement 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
2004
Multiple Large Inputs to Principal Cells in the Mouse Medial Nucleus of the Trapezoid Body
Bergsman JB, De Camilli P, McCormick DA. Multiple Large Inputs to Principal Cells in the Mouse Medial Nucleus of the Trapezoid Body. Journal Of Neurophysiology 2004, 92: 545-552. PMID: 15212444, DOI: 10.1152/jn.00927.2003.Peer-Reviewed Original ResearchConceptsPrincipal cellsTrapezoid bodyElectrophysiological criteriaMedial nucleusNerve terminalsMammalian auditory brain stemExcitatory postsynaptic current amplitudeCalyceal nerve terminalsMouse medial nucleusAuditory brain stemPostsynaptic current amplitudeStrong excitatory inputGiant nerve terminalCalyx of HeldPrincipal neuronsBrain stemExcitatory inputsSynaptic transmissionCentral synapseAnatomical studySynapseSound localizationTransmitter typeCellsCurrent amplitude
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 majorityActivityExcitabilityExcitatoryElectrophysiological 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 cells
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
Corticothalamic 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 rate
1999
Dynamic properties of corticothalamic excitatory postsynaptic potentials and thalamic reticular inhibitory postsynaptic potentials in thalamocortical neurons of the guinea-pig dorsal lateral geniculate nucleus
von Krosigk M, Monckton J, Reiner P, McCormick D. Dynamic properties of corticothalamic excitatory postsynaptic potentials and thalamic reticular inhibitory postsynaptic potentials in thalamocortical neurons of the guinea-pig dorsal lateral geniculate nucleus. Neuroscience 1999, 91: 7-20. PMID: 10336055, DOI: 10.1016/s0306-4522(98)00557-0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCerebral CortexElectric StimulationExcitatory Postsynaptic PotentialsFemaleGABA AgonistsGABA AntagonistsGamma-Aminobutyric AcidGeniculate BodiesGuinea PigsMaleMembrane PotentialsNerve FibersNeuronsReceptors, GABA-AReceptors, GABA-BReceptors, Metabotropic GlutamateReticular FormationRetinaThalamusConceptsExcitatory postsynaptic potentialsInhibitory postsynaptic potentialsSlow excitatory postsynaptic potentialMonosynaptic excitatory postsynaptic potentialsDorsal lateral geniculate nucleusGlutamate metabotropic receptorsPostsynaptic potentialsLateral geniculate nucleusThalamocortical neuronsCorticothalamic fibersMetabotropic receptorsGeniculate nucleusRepetitive activationRepetitive stimulationReceptor-mediated inhibitory postsynaptic potentialsGABAergic inhibitory postsynaptic potentialsExcitatory postsynaptic potential amplitudeFrequency-dependent decrementFrequency-dependent depressionAspartate glutamate receptorsPostsynaptic potential amplitudeFrequency-dependent facilitationFrequency-dependent increaseOptic tract fibersCorticothalamic afferents
1998
Periodicity of Thalamic Spindle Waves Is Abolished by ZD7288,a Blocker of I h
Lüthi A, Bal T, McCormick D. Periodicity of Thalamic Spindle Waves Is Abolished by ZD7288,a Blocker of I h. Journal Of Neurophysiology 1998, 79: 3284-3289. PMID: 9636128, DOI: 10.1152/jn.1998.79.6.3284.Peer-Reviewed Original ResearchConceptsSpindle wavesHyperpolarization-activated cation current IhCurrent-clamp recordingsIntracellular recording techniquesBlock of IhVoltage-clamp recordingsRebound burstsThalamic activityRefractory periodPacemaker currentLocal applicationZD7288AfterdepolarizationsCurrent IhRecording techniquesRepetitive hyperpolarizationNetwork activityHyperpolarizationSlow rhythmicityFurther supportIHPeriodicity of Thalamic Synchronized Oscillations: the Role of Ca2+-Mediated Upregulation of Ih
Lüthi A, McCormick D. Periodicity of Thalamic Synchronized Oscillations: the Role of Ca2+-Mediated Upregulation of Ih. Neuron 1998, 20: 553-563. PMID: 9539128, DOI: 10.1016/s0896-6273(00)80994-0.Peer-Reviewed Original ResearchConceptsPersistent activationRefractory periodHyperpolarization-activated cation current IhNeural network oscillationsSynchronized network activityWave seizuresRole of Ca2Synchronized dischargesThalamocortical cellsThalamocortical networkElectrophysiological propertiesMediated UpregulationSpindle wavesCurrent IhConstituent neuronsNetwork oscillationsAbnormal patternsActivation curveTime courseNetwork activityUpregulationActivationCritical determinant
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
1996
Chattering Cells: Superficial Pyramidal Neurons Contributing to the Generation of Synchronous Oscillations in the Visual Cortex
Gray C, McCormick D. Chattering Cells: Superficial Pyramidal Neurons Contributing to the Generation of Synchronous Oscillations in the Visual Cortex. Science 1996, 274: 109-113. PMID: 8810245, DOI: 10.1126/science.274.5284.109.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsCatsElectric StimulationEvoked Potentials, VisualMembrane PotentialsPhotic StimulationPyramidal CellsVisual CortexConceptsPyramidal neuronsVisual stimulationSuperficial pyramidal neuronsSubset of neuronsIntracellular recordingsSpontaneous activityGamma frequency bandRhythmic firingGamma-band activityVisual cortexCortical oscillationsNeuronsRepetitive burstsCortexIntracortical contributionsSuperficial layersStimulationMembrane potentialFunctional significanceCellsLarge populationSynchronous oscillationsResponse
1995
Electrophysiological and pharmacological properties of interneurons in the cat dorsal lateral geniculate nucleus
Pape H, McCormick D. Electrophysiological and pharmacological properties of interneurons in the cat dorsal lateral geniculate nucleus. Neuroscience 1995, 68: 1105-1125. PMID: 8544986, DOI: 10.1016/0306-4522(95)00205-w.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsCatsElectric StimulationElectrophysiologyExcitatory Amino Acid AgonistsExcitatory Amino Acid AntagonistsGABA-A Receptor AgonistsGABA-A Receptor AntagonistsGABA-B Receptor AgonistsGABA-B Receptor AntagonistsGamma-Aminobutyric AcidGeniculate BodiesIn Vitro TechniquesInterneuronsPatch-Clamp TechniquesThalamusConceptsDorsal lateral geniculate nucleusCat dorsal lateral geniculate nucleusLateral geniculate nucleusAction potentialsGeniculate nucleusGABAB receptor agonist baclofenGABAA receptor agonist muscimolSpontaneous action potential activityPharmacological propertiesStrong spike frequency adaptationSmall slow depolarizationSubpopulation of interneuronsReceptor agonist baclofenSpontaneous spike activityAction potential dischargeDorsal lateral geniculateReceptor agonist muscimolApplication of serotoninAction potential activityApplication of acetylcholineChloride equilibrium potentialHigh-frequency trainsSpike frequency adaptationUnique electrophysiological characteristicsAgonist baclofen
1994
Enhanced activation of NMDA receptor responses at the immature retinogeniculate synapse
Ramoa A, McCormick D. Enhanced activation of NMDA receptor responses at the immature retinogeniculate synapse. Journal Of Neuroscience 1994, 14: 2098-2105. PMID: 7908957, PMCID: PMC6577156, DOI: 10.1523/jneurosci.14-04-02098.1994.Peer-Reviewed Original ResearchMeSH Keywords2-Amino-5-phosphonovalerate6-Cyano-7-nitroquinoxaline-2,3-dioneAfferent PathwaysAgingAnimalsBicucullineElectric StimulationEvoked PotentialsFerretsGeniculate BodiesIn Vitro TechniquesKineticsNeuronsQuinoxalinesReceptors, N-Methyl-D-AspartateRetinaSynapsesSynaptic TransmissionTime FactorsVisual PathwaysConceptsNMDA receptorsBicuculline methiodideNMDA-EPSCsPostnatal monthPostnatal weekGABAA receptor-mediated IPSPsAMPA/kainate receptorsOptic tract stimulationReceptor-mediated IPSPsExcitatory postsynaptic currentsNMDA receptor responsesFirst postnatal monthSecond postnatal weekVoltage-clamp recordingsDorsal LGNEPSC durationRetinogeniculate transmissionD-APVSlow EPSPTract stimulationExcitatory transmissionGABAergic inhibitionNeonatal ageRetinogeniculate synapsePostsynaptic currents
1992
Corticothalamic activation modulates thalamic firing through glutamate "metabotropic" receptors.
McCormick D, von Krosigk M. Corticothalamic activation modulates thalamic firing through glutamate "metabotropic" receptors. Proceedings Of The National Academy Of Sciences Of The United States Of America 1992, 89: 2774-2778. PMID: 1313567, PMCID: PMC48745, DOI: 10.1073/pnas.89.7.2774.Peer-Reviewed Original ResearchConceptsSlow-wave sleepCerebral cortexThalamic neuronsRelay neuronsWave sleepLateral geniculate relay neuronsProlonged excitatory postsynaptic potentialGeniculate relay neuronsLayer VI cellsExcitatory postsynaptic potentialsThalamic relay neuronsSensory informationSingle-spike modeBrainstem inputsPostsynaptic potentialsCorticothalamic fibersSlow depolarizationObligatory relayState-dependent mannerSensory transferThalamusMammalian thalamusPotassium conductanceProlonged enhancementNeurons
1990
Functional implications of burst firing and single spike activity in lateral geniculate relay neurons
McCormick D, Feeser H. Functional implications of burst firing and single spike activity in lateral geniculate relay neurons. Neuroscience 1990, 39: 103-113. PMID: 2089273, DOI: 10.1016/0306-4522(90)90225-s.Peer-Reviewed Original ResearchConceptsExcitatory postsynaptic potentialsAction potentialsSingle-spike modeThalamic neuronsPostsynaptic potentialsRelay neuronsRhythmic burstsExcitatory inputsLateral geniculate relay neuronsGeniculate relay neuronsPhasic excitatory inputPeripheral receptive fieldsSingle spike activityPeriods of drowsinessLow-threshold Ca2Slow-wave sleepThalamocortical relay neuronsIncoming excitatory inputsHigh-frequency burstsFiring modesNeuronal activityWave sleepSpike activityThreshold Ca2Neurons