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
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
2005
Inhibitory Postsynaptic Potentials Carry Synchronized Frequency Information in Active Cortical Networks
Hasenstaub A, Shu Y, Haider B, Kraushaar U, Duque A, McCormick D. Inhibitory Postsynaptic Potentials Carry Synchronized Frequency Information in Active Cortical Networks. Neuron 2005, 47: 423-435. PMID: 16055065, DOI: 10.1016/j.neuron.2005.06.016.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsCerebral CortexCortical SynchronizationExcitatory Postsynaptic PotentialsFerretsIn Vitro TechniquesInterneuronsMaleMembrane PotentialsNerve NetNeural InhibitionNeuronsOscillometryPyramidal CellsReaction TimeRefractory Period, ElectrophysiologicalSynapsesSynaptic TransmissionConceptsInhibitory postsynaptic potentialsHigh-frequency activityPostsynaptic potentialsPyramidal cellsCortical pyramidal cellsAction potential propertiesRecurrent network activityAction potential generationActive cortical networkInhibitory interneuronsCortical functionIntracellular injectionNearby neuronsStrong barragesInhibitory networksCortical networksField potentialsSynaptic conductancesIPSPsInhibitory potentialPotential generationNetwork activitySpike timingMore synchronyVivoExcitatory Effects of Thyrotropin-Releasing Hormone in the Thalamus
Broberger C, McCormick D. Excitatory Effects of Thyrotropin-Releasing Hormone in the Thalamus. Journal Of Neuroscience 2005, 25: 1664-1673. PMID: 15716402, PMCID: PMC6725920, DOI: 10.1523/jneurosci.3198-04.2005.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsBicucullineCalcium SignalingEpilepsyFemaleFerretsGABA AntagonistsGamma-Aminobutyric AcidGeniculate BodiesIn Vitro TechniquesInterneuronsIon TransportMaleMethacholine ChlorideMuscarinic AgonistsPatch-Clamp TechniquesPotassiumPotassium ChannelsReceptors, GABA-AThalamusThyrotropin-Releasing HormoneWakefulnessConceptsThyrotropin-releasing hormoneThalamocortical cellsApplication of TRHNeuropeptide thyrotropin-releasing hormoneRapid eye movement (REM) sleepRhythmic burst firingAnti-epileptic effectsEye movement sleepApplication of bicucullineLateral geniculate nucleusSlow-wave sleepThalamocortical network activityAction potential generationSingle-spike modeNonspecific currentsPerigeniculate neuronsExcitatory effectsGABAergic neuronsMovement sleepPGN neuronsBath applicationBurst firingGeniculate nucleusIntracellular recordingsDirect depolarization
2004
Slow Adaptation in Fast-Spiking Neurons of Visual Cortex
Descalzo V, Nowak L, Brumberg J, McCormick D, Sanchez-Vives M. Slow Adaptation in Fast-Spiking Neurons of Visual Cortex. Journal Of Neurophysiology 2004, 93: 1111-1118. PMID: 15385594, DOI: 10.1152/jn.00658.2004.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAdaptation, PhysiologicalAnimalsCatsFemaleFerretsIn Vitro TechniquesMaleNeuronsTime FactorsVisual CortexConceptsFS neuronsSpike frequency adaptationSlower time courseShort-duration action potentialsTime courseNeuron's functional propertiesPostadaptation periodSlow afterhyperpolarizationCortical slicesNeuron dischargeAfferent inputInhibitory interneuronsVisual cortexAction potentialsNeuronsSlow adaptationPrevious studiesAfterhyperpolarizationInterneuronsExcitabilityCortexDischarge
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 majorityActivityExcitabilityExcitatory
2002
Neuromodulatory Role of Serotonin in the Ferret Thalamus
Monckton J, McCormick D. Neuromodulatory Role of Serotonin in the Ferret Thalamus. Journal Of Neurophysiology 2002, 87: 2124-2136. PMID: 11929930, DOI: 10.1152/jn.00650.2001.Peer-Reviewed Original ResearchConceptsInhibitory postsynaptic potentialsAction of serotoninDorsal thalamusLocal interneuronsSpontaneous inhibitory postsynaptic potentialsDorsal lateral geniculate nucleusGABAergic synaptic transmissionPrimary sensory nucleiIntracellular recording techniquesPresence of tetrodotoxinTonic firing modesLateral geniculate nucleusModulation of neuronsExtracellular potassium concentrationSleep-wake cycleReversal potential shiftsSerotonergic fibersThalamocortical neuronsAssociative nucleiMedial geniculateNeuromodulatory rolePostsynaptic potentialsSerotonergic inputLateral posteriorSlice preparation
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 networksIonic 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 spiking
1999
Essential Role of Phosphoinositide Metabolism in Synaptic Vesicle Recycling
Cremona O, Di Paolo G, Wenk M, Lüthi A, Kim W, Takei K, Daniell L, Nemoto Y, Shears S, Flavell R, McCormick D, De Camilli P. Essential Role of Phosphoinositide Metabolism in Synaptic Vesicle Recycling. Cell 1999, 99: 179-188. PMID: 10535736, DOI: 10.1016/s0092-8674(00)81649-9.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell-Free SystemCerebral CortexCoated Pits, Cell-MembraneEndocytosisEnzyme InhibitorsExonsHippocampusIn Vitro TechniquesMembrane PotentialsMiceMice, KnockoutMicroscopy, ElectronNerve EndingsNerve Tissue ProteinsNeuronsPhosphatidylinositolsPhosphoric Monoester HydrolasesSynaptic VesiclesModulation of a pacemaker current through Ca2+-induced stimulation of cAMP production
Lüthi A, McCormick D. Modulation of a pacemaker current through Ca2+-induced stimulation of cAMP production. Nature Neuroscience 1999, 2: 634-641. PMID: 10404196, DOI: 10.1038/10189.Peer-Reviewed Original ResearchConceptsHyperpolarization-activated cation currentIh activationThalamocortical rhythmsThalamocortical activityCation currentNeuronal propertiesPacemaker currentCAMP productionPersistent activationProlonged changesProlonged activationBrief increaseDependent modulationSlow recurrenceActivationSubsequent productionCa2RecurrenceModulation
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 supportIH
1997
Functional Dynamics of GABAergic Inhibition in the Thalamus
Kim U, Sanchez-Vives M, McCormick D. Functional Dynamics of GABAergic Inhibition in the Thalamus. Science 1997, 278: 130-134. PMID: 9311919, DOI: 10.1126/science.278.5335.130.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsBicucullineDendritesFerretsGABA AgonistsGABA AntagonistsGamma-Aminobutyric AcidGeniculate BodiesGlutamic AcidIn Vitro TechniquesLysineNeuronsOrganophosphorus CompoundsPatch-Clamp TechniquesPresynaptic TerminalsReceptors, GABA-AReceptors, GABA-BSynaptic TransmissionThalamic NucleiConceptsInhibitory postsynaptic potentialsGABAergic inhibitionThalamic reticularThalamocortical networkLow-frequency tonic dischargeGABAergic inhibitory postsynaptic potentialsDorsal lateral geniculate nucleusPatterns of activityLateral geniculate nucleusSlow-wave sleepPerigeniculate neuronsTonic dischargeGABAB receptorsThalamocortical neuronsPerigeniculate cellsPostsynaptic potentialsGABAA receptorsGeniculate nucleusThalamocortical cellsNeuronsGeneration of activityReceptorsReticularDistinct patternsInhibitionInfluence 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 generationModulation of spindle oscillations by acetylcholine, cholecystokinin and 1S,3R-ACPD in the ferret lateral geniculate and perigeniculate nuclei in vitro
Lee K, McCormick D. Modulation of spindle oscillations by acetylcholine, cholecystokinin and 1S,3R-ACPD in the ferret lateral geniculate and perigeniculate nuclei in vitro. Neuroscience 1997, 77: 335-350. PMID: 9472394, DOI: 10.1016/s0306-4522(96)00481-2.Peer-Reviewed Original ResearchConceptsSpindle wave generationInhibitory postsynaptic potentialsThalamocortical neuronsLocal applicationTonic dischargeSpindle wavesPostsynaptic potentialsPerigeniculate nucleusGlutamate metabotropic receptor agonistMetabotropic receptor agonistMembrane depolarizationEffects of neurotransmittersSlow-wave sleepPerigeniculate neuronsLeak potassium currentGABAergic cellsGABAergic neuronsLateral geniculateReceptor agonistTonic activityWave sleepPotassium currentThalamic networkACPDNeurons
1996
Ionic mechanisms underlying synchronized oscillations and propagating waves in a model of ferret thalamic slices
Destexhe A, Bal T, McCormick D, Sejnowski T. Ionic mechanisms underlying synchronized oscillations and propagating waves in a model of ferret thalamic slices. Journal Of Neurophysiology 1996, 76: 2049-2070. PMID: 8890314, DOI: 10.1152/jn.1996.76.3.2049.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsBicucullineCalciumCalcium ChannelsElectrophysiologyFerretsGABA AntagonistsIn Vitro TechniquesIon ChannelsKineticsMembrane PotentialsModels, NeurologicalNeural Networks, ComputerPotassium ChannelsRecruitment, NeurophysiologicalRefractory Period, ElectrophysiologicalReticular FormationSynapsesThalamusUp-RegulationConceptsInhibitory postsynaptic potentialsExcitatory postsynaptic potentialsSlow inhibitory postsynaptic potentialFerret thalamic slicesActivity-dependent upregulationTC cellsRE cellsPostsynaptic potentialsThalamic slicesGABAergic inhibitory postsynaptic potentialsSpindle oscillationsCalcium-sensitive currentGABAB inhibitory postsynaptic potentialsLocal axonal arborizationsThalamic reticular neuronsGamma-aminobutyric acidRE neuronsGABAB receptorsIsoxazolepropionic acidRebound burstsReticular neuronsTC neuronsGABAA inhibitionAxonal arborizationBurst discharges
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 currentsDevelopmental changes in electrophysiological properties of LGNd neurons during reorganization of retinogeniculate connections
Ramoa A, McCormick D. Developmental changes in electrophysiological properties of LGNd neurons during reorganization of retinogeniculate connections. Journal Of Neuroscience 1994, 14: 2089-2097. PMID: 8158259, PMCID: PMC6577110, DOI: 10.1523/jneurosci.14-04-02089.1994.Peer-Reviewed Original ResearchConceptsLGNd neuronsImmature neuronsAction potentialsElectrophysiological propertiesLittle spike frequency adaptationDependent action potentialsAction potential activityEarly postnatal lifeWhole-cell recordingsEarly postnatal developmentPatch-clamp techniqueSpike frequency adaptationHigh input resistanceDorsal LGNImmature synapsesCritical developmental periodRetinogeniculate connectionsMembrane potentialPostnatal weekIntracellular injectionPostnatal lifePostnatal developmentNeuronsInput resistanceFrequency adaptation