2012
Warm Body Temperature Facilitates Energy Efficient Cortical Action Potentials
Yu Y, Hill A, McCormick D. Warm Body Temperature Facilitates Energy Efficient Cortical Action Potentials. PLOS Computational Biology 2012, 8: e1002456. PMID: 22511855, PMCID: PMC3325181, DOI: 10.1371/journal.pcbi.1002456.Peer-Reviewed Original ResearchConceptsAction potentialsFiring rateBody temperatureFunctional brain imaging signalsAction potential durationSingle action potentialCortical action potentialsAction potential generationNormal body temperatureSpike firing rateAverage firing rateSpike afterhyperpolarizationEfficient neural codesPotential durationBrain imaging signalsMarked reductionChannel inactivationPotential generationNeural signal transmissionBrain architectureWarmer body temperaturesImaging signalsNeural codeDurationAfterhyperpolarization
2010
P/Q and N Channels Control Baseline and Spike-Triggered Calcium Levels in Neocortical Axons and Synaptic Boutons
Yu Y, Maureira C, Liu X, McCormick D. P/Q and N Channels Control Baseline and Spike-Triggered Calcium Levels in Neocortical Axons and Synaptic Boutons. Journal Of Neuroscience 2010, 30: 11858-11869. PMID: 20810905, PMCID: PMC2947942, DOI: 10.1523/jneurosci.2651-10.2010.Peer-Reviewed Original ResearchConceptsAxon initial segmentNeuronal excitabilityPyramidal cellsCalcium concentrationPresynaptic terminalsWhole-cell patch-clamp recordingsPrefrontal cortical pyramidal cellsOmega-agatoxin IVAOmega-conotoxin GVIACortical pyramidal cellsPatch-clamp recordingsBaseline calcium concentrationAction potential repolarizationAction potential generationNeocortical axonsVoltage-activated ion channelsCalcium currentCortical axonsSynaptic terminalsCalcium levelsCalcium channelsSynaptic boutonsSuprathreshold depolarizationElectrophysiological propertiesSubthreshold depolarization
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
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
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 spiking
1998
The Functional Influence of Burst and Tonic Firing Mode on Synaptic Interactions in the Thalamus
Kim U, McCormick D. The Functional Influence of Burst and Tonic Firing Mode on Synaptic Interactions in the Thalamus. Journal Of Neuroscience 1998, 18: 9500-9516. PMID: 9801387, PMCID: PMC6792899, DOI: 10.1523/jneurosci.18-22-09500.1998.Peer-Reviewed Original ResearchConceptsAction potentialsThalamocortical neuronsPostsynaptic neuronsDorsal lateral geniculate nucleus (dLGN) neuronsLateral geniculate nucleus neuronsDual intracellular recordingsTonic firing modesLow-threshold Ca2Single action potentialHigh-frequency burstsAction potential generationPerigeniculate neuronsTonic trainsCell typesMembrane potentialNucleus neuronsBurst dischargesIntracellular recordingsGeneration of Ca2Synaptic transmissionPresynaptic cellTemporal summationEpileptic seizuresSynchronized rhythmic oscillationsSynaptic interactions
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 activationControl of firing mode of corticotectal and corticopontine layer V burst-generating neurons by norepinephrine, acetylcholine, and 1S,3R- ACPD
Wang Z, McCormick D. Control of firing mode of corticotectal and corticopontine layer V burst-generating neurons by norepinephrine, acetylcholine, and 1S,3R- ACPD. Journal Of Neuroscience 1993, 13: 2199-2216. PMID: 8386756, PMCID: PMC6576582, DOI: 10.1523/jneurosci.13-05-02199.1993.Peer-Reviewed Original ResearchConceptsIntracellular recordingsMetabotropic receptorsPyramidal cellsLayer V pyramidal cellsGlutamate metabotropic receptor agonistLayer V cellsMetabotropic receptor agonistApplication of norepinephrineAlpha-agonist phenylephrineBeta-antagonist propranololSingle spike activityMuscarinic antagonist scopolamineBeta-agonist isoprenalinePrimary visual cortexAction potential generationSingle-spike modeACh effectsMuscarinic subtypesNE responseInterburst frequencyMuscarinic agonistsReceptor agonistBath applicationPostsynaptic responsesAntagonist scopolamine
1992
Chapter 10 Determination of State-Dependent Processing in Thalamus by Single Neuron Properties and Neuromodulators
MCCORMICK D, STROWBRIDGE B, HUGUENARD J. Chapter 10 Determination of State-Dependent Processing in Thalamus by Single Neuron Properties and Neuromodulators. 1992, 259-290. DOI: 10.1016/b978-0-12-484815-3.50017-7.Peer-Reviewed Original ResearchState-dependent processingRelay neuronsSingle neuron propertiesHyperpolarization-activated cation currentNeuron propertiesThalamic relay neuronsAction potential generationThalamic neuronsCentral neuronsRhythmic burstsNervous systemCation currentSynaptic connectionsPacemaker currentThalamusNeuronsMotor informationPotential generationNeuromodulatorsFunctional consequences
1989
Noradrenaline and serotonin selectively modulate thalamic burst firing by enhancing a hyperpolarization-activated cation current
Pape H, McCormick D. Noradrenaline and serotonin selectively modulate thalamic burst firing by enhancing a hyperpolarization-activated cation current. Nature 1989, 340: 715-718. PMID: 2475782, DOI: 10.1038/340715a0.Peer-Reviewed Original ResearchConceptsThalamic neuronsRhythmic burstsAction potentialsHyperpolarization-activated cation currentSingle spike activityGenerate action potentialsSlow-wave sleepSingle-spike firingState of excitabilityAction potential generationSerotonergic inputNeurons displaySynaptic processingSpike activityCation currentThalamic burstsSpike firingNoradrenalineSerotoninCellular mechanismsNeuronsRhythmic oscillationsNovel actionBehavioral statesCyclic AMP
1986
Mechanisms of action of acetylcholine in the guinea‐pig cerebral cortex in vitro.
McCormick D, Prince D. Mechanisms of action of acetylcholine in the guinea‐pig cerebral cortex in vitro. The Journal Of Physiology 1986, 375: 169-194. PMID: 2879035, PMCID: PMC1182754, DOI: 10.1113/jphysiol.1986.sp016112.Peer-Reviewed Original ResearchConceptsNon-pyramidal cellsSlow excitatory responsesPyramidal neuronesMechanism of actionAction potentialsExcitatory responsesInhibitory responsesACh applicationGuinea pig cerebral cortexLayer V pyramidal cellsInhibitory post-synaptic potentialsGABAergic synaptic transmissionRelease of GABAShort-latency excitationSlow depolarizing responseApparent input resistanceACh-induced hyperpolarizationApplication of acetylcholineGamma-aminobutyric acidGuinea pig neocortexPost-synaptic potentialsAverage reversal potentialBarrages of excitatoryMinimum onset latencyAction potential generation