2024
Pan-cortical 2-photon mesoscopic imaging and neurobehavioral alignment in awake, behaving mice
Vickers E, McCormick D. Pan-cortical 2-photon mesoscopic imaging and neurobehavioral alignment in awake, behaving mice. ELife 2024, 13: rp94167. PMID: 38808733, PMCID: PMC11136495, DOI: 10.7554/elife.94167.Peer-Reviewed Original ResearchConceptsTask-specific cognitive demandsNeural activityFlow of neural activityTask-dependent behaviorsRegions of cortexCognitive demandsSensory discriminationMouse dorsalCortical areasBehavior primitivesMesoscopic imagingPopulations of neuronsNeural ensemblesLateral neocortexSimultaneous accessImage dataInternal stateNeuron resolutionNeocortexMiceActivation motifNeuronsSpontaneous changesArousalCortex
2021
Vagus nerve stimulation induces widespread cortical and behavioral activation
Collins L, Boddington L, Steffan P, McCormick D. Vagus nerve stimulation induces widespread cortical and behavioral activation. Current Biology 2021, 31: 2088-2098.e3. PMID: 33740425, DOI: 10.1016/j.cub.2021.02.049.Peer-Reviewed Original ResearchConceptsVagus nerve stimulationCalcium imagingNeuromodulatory systemsVagus nerve transectionAuditory cortical regionsWidefield calcium imagingArousal stateDose-dependent activationNerve transectionVNS effectsNerve stimulationExcitatory activityCortical axonsModulatory pathwaysExcitatory neuronsLight anesthesiaNeurological conditionsTherapeutic mechanismMouse modelStimulation inducesArousal state changesCortical activityCortical stateMotor activityCortical regions
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
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
1999
Spontaneous activity: signal or noise?
McCormick D. Spontaneous activity: signal or noise? Science 1999, 285: 541-3. PMID: 10447487, DOI: 10.1126/science.285.5427.541.Peer-Reviewed Original ResearchModulation 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 productionCa2RecurrenceModulationCa2+‐Mediated Up‐Regulation of Ih in the Thalamus: How Cell‐Intrinsic Ionic Currents May Shape Network Activity
LÜTHI A, McCORMICK D. Ca2+‐Mediated Up‐Regulation of Ih in the Thalamus: How Cell‐Intrinsic Ionic Currents May Shape Network Activity. Annals Of The New York Academy Of Sciences 1999, 868: 765-769. PMID: 10414362, DOI: 10.1111/j.1749-6632.1999.tb11354.x.Peer-Reviewed Original Research
1998
Functional and Ionic Properties of a Slow Afterhyperpolarization in Ferret Perigeniculate Neurons In Vitro
Kim U, Mccormick D. Functional and Ionic Properties of a Slow Afterhyperpolarization in Ferret Perigeniculate Neurons In Vitro. Journal Of Neurophysiology 1998, 80: 1222-1235. PMID: 9744934, DOI: 10.1152/jn.1998.80.3.1222.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnesthetics, LocalAnimalsApaminBicucullineCalciumCalcium Channel BlockersExcitatory Postsynaptic PotentialsFemaleFerretsGABA AntagonistsGamma-Aminobutyric AcidGeniculate BodiesLidocaineMaleNeuronsOmega-Conotoxin GVIAPeptidesPeriodicityPotassiumPotassium ChannelsSodiumTetraethylammoniumTetrodotoxinConceptsApplication of apaminSlow afterhyperpolarizationLow-threshold Ca2Perigeniculate neuronsPlateau potentialsBlock of Ca2Spindle wave generationMedium-duration afterhyperpolarizationGABAergic neuronsTonic dischargeFast afterhyperpolarizationPerigeniculate nucleusIntracellular recordingsAfterhyperpolarizationAction potentialsRefractory periodLocal applicationProlonged depolarizationRepetitive Ca2Spindle wavesReversal potentialNeuronsApaminMembrane conductanceActivationPeriodicity 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
Inhibitory Interactions between Perigeniculate GABAergic Neurons
Sanchez-Vives M, Bal T, McCormick D. Inhibitory Interactions between Perigeniculate GABAergic Neurons. Journal Of Neuroscience 1997, 17: 8894-8908. PMID: 9348356, PMCID: PMC6573073, DOI: 10.1523/jneurosci.17-22-08894.1997.Peer-Reviewed Original ResearchMeSH KeywordsAcetazolamideAction PotentialsAnimalsAnticonvulsantsAxonsBaclofenBicucullineCalciumCerebral CortexExcitatory Postsynaptic PotentialsFemaleFerretsGABA AgonistsGABA AntagonistsGamma-Aminobutyric AcidGeniculate BodiesGlutamic AcidMaleMuscimolNeural InhibitionNeuronsOrganophosphorus CompoundsPicrotoxinReceptors, GABA-AReceptors, GABA-BReceptors, PresynapticTetrodotoxinThalamic NucleiConceptsPGN neuronsPerigeniculate nucleusGABAB receptorsGABAergic neuronsIntracellular recordingsDorsal lateral geniculate nucleusActivation of inhibitionSpecific agonist muscimolGABAA receptor blockadeLow-threshold Ca2Lateral geniculate nucleusAverage reversal potentialBarrages of EPSPsFunctional GABAAPerigeniculate neuronsReceptor blockadeSlow IPSPBicuculline methiodideTonic dischargeAxon collateralsThalamocortical neuronsAgonist muscimolSubset of cellsGABAA receptorsGeniculate nucleus
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
Acetylcholine excites GABAergic neurons of the ferret perigeniculate nucleus through nicotinic receptors
Lee K, McCormick D. Acetylcholine excites GABAergic neurons of the ferret perigeniculate nucleus through nicotinic receptors. Journal Of Neurophysiology 1995, 73: 2123-2128. PMID: 7623105, DOI: 10.1152/jn.1995.73.5.2123.Peer-Reviewed Original ResearchConceptsAction of acetylcholineSingle spike activityPerigeniculate nucleusPGN cellsGABAergic neuronsSpike activityLocal applicationDirect postsynaptic actionFerret thalamic slicesNicotinic antagonist hexamethoniumIntracellular recording techniquesAction potential firingLow-threshold Ca2Slow hyperpolarizing responseVitro. 2Antagonist hexamethoniumMembrane conductancePostsynaptic actionsGABAergic cellsMuscarinic antagonistMuscarinic receptorsDepolarizing responsePGN neuronsHyperpolarizing responseSynaptic transmission
1994
Developmental 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
1993
Mechanisms of oscillatory activity in guinea‐pig nucleus reticularis thalami in vitro: a mammalian pacemaker.
Bal T, McCormick D. Mechanisms of oscillatory activity in guinea‐pig nucleus reticularis thalami in vitro: a mammalian pacemaker. The Journal Of Physiology 1993, 468: 669-691. PMID: 8254530, PMCID: PMC1143849, DOI: 10.1113/jphysiol.1993.sp019794.Peer-Reviewed Original ResearchConceptsLow-threshold Ca2Nucleus reticularis thalamiRhythmic burst firingThreshold Ca2Reticularis thalamiBurst firingExtracellular Ca2Action potentialsOscillatory activityShort-latency burstsSingle spike activityVitro. 2Fast action potentialsNon-selective cationSlow ADPThalamic afferentsTonic dischargeNRT cellsIntracellular recordingsIntracellular injectionSpike AHPsSpike activitySingle neuronesExtracellular applicationReversal potentialCellular Mechanisms of a Synchronized Oscillation in the Thalamus
von M, Bal T, McCormick D. Cellular Mechanisms of a Synchronized Oscillation in the Thalamus. Science 1993, 261: 361-364. PMID: 8392750, DOI: 10.1126/science.8392750.Peer-Reviewed Original ResearchConceptsInhibitory postsynaptic potentialsSpindle wavesPostsynaptic potentialsAbsence seizuresRelay cellsFerret lateral geniculate nucleusRhythmic population activityGABAB inhibitory postsynaptic potentialsReceptor-mediated inhibitionSeizure-like activityLateral geniculate nucleusGABAB receptorsRebound burstsGABAB antagonistRelay neuronsPerigeniculate nucleusGeniculate nucleusPharmacological blockNeuronal activityCortical systemsCellular mechanismsPopulation activitySeizuresCellsThalamusChapter 36: Actions of acetylcholine in the cerebral cortex and thalamus and implications for function
McCormick D. Chapter 36: Actions of acetylcholine in the cerebral cortex and thalamus and implications for function. Progress In Brain Research 1993, 98: 303-308. PMID: 8248519, DOI: 10.1016/s0079-6123(08)62412-7.Peer-Reviewed Original ResearchConceptsCholinergic neuronsCerebral cortexNicotinic receptorsForebrain activityAction of acetylcholinePost-synaptic responsesAbnormal neuronal functionNicotinic typeCholinergic pathwaysBasal forebrainCholinergic receptorsMuscarinic receptorsCholinergic systemMammalian CNSPhasic responseModulatory controlNeuronal functionAlzheimer's diseaseDistinct subtypesReceptor activationProlonged inhibitionFiring patternsPharmacological propertiesAcetylcholineProlonged changes
1992
A model of the electrophysiological properties of thalamocortical relay neurons
McCormick D, Huguenard J. A model of the electrophysiological properties of thalamocortical relay neurons. Journal Of Neurophysiology 1992, 68: 1384-1400. PMID: 1331356, DOI: 10.1152/jn.1992.68.4.1384.Peer-Reviewed Original Research
1991
Functional properties of a slowly inactivating potassium current in guinea pig dorsal lateral geniculate relay neurons
McCormick D. Functional properties of a slowly inactivating potassium current in guinea pig dorsal lateral geniculate relay neurons. Journal Of Neurophysiology 1991, 66: 1176-1189. PMID: 1761979, DOI: 10.1152/jn.1991.66.4.1176.Peer-Reviewed Original Research
1986
Acetylcholine induces burst firing in thalamic reticular neurones by activating a potassium conductance
McCormick D, Prince D. Acetylcholine induces burst firing in thalamic reticular neurones by activating a potassium conductance. Nature 1986, 319: 402-405. PMID: 2418361, DOI: 10.1038/319402a0.Peer-Reviewed Original ResearchConceptsNeuronal activityCholinergic inhibitory mechanismSingle spike activityRole of acetylcholineApplication of acetylcholineCentral nervous systemIntrinsic membrane propertiesAcetylcholine inducesM2 subclassCholinergic actionCholinergic inhibitionCholinergic inputMuscarinic receptorsBurst dischargesExcitatory modulatorThalamic neuronesNervous systemSpike activityFiring patternsPotassium conductanceReticular neuronesAcetylcholineNeuronesReticular systemInhibitory mechanism