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
Modulation of intracortical synaptic potentials by presynaptic somatic membrane potential
Shu Y, Hasenstaub A, Duque A, Yu Y, McCormick D. Modulation of intracortical synaptic potentials by presynaptic somatic membrane potential. Nature 2006, 441: 761-765. PMID: 16625207, DOI: 10.1038/nature04720.Peer-Reviewed Original ResearchConceptsIntracortical synaptic potentialsSomatic membrane potentialCerebral cortexMembrane potentialPostsynaptic potentialsSynaptic potentialsSynaptic activityEpileptic seizuresAction potentialsSensory stimulationNeuronal communicationMembrane potential changesNeuronal signalsRecording pointsSole formPossible alternative mechanismSeizuresCortexAxonsNeurons
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 synchronyVivo
2002
Inhibitory Interactions Between Ferret Thalamic Reticular Neurons
Shu Y, McCormick D. Inhibitory Interactions Between Ferret Thalamic Reticular Neurons. Journal Of Neurophysiology 2002, 87: 2571-2576. PMID: 11976393, DOI: 10.1152/jn.00850.2001.Peer-Reviewed Original ResearchConceptsInhibitory postsynaptic potentialsNRT neuronsPostsynaptic potentialsThalamocortical activityReceptor-mediated inhibitory postsynaptic potentialsSpontaneous inhibitory postsynaptic potentialsImportant inhibitory inputThalamic excitatory inputsThalamic reticular nucleusInhibitory interactionsThalamic reticular neuronsThalamic relay nucleiAverage reversal potentialLocal inhibitory interactionsThalamocortical functionNRT cellsReceptor antagonistReticular neuronsReticular nucleusExcitatory inputsIntracellular recordingsInhibitory inputsRelay nucleiExtracellular recordingsNeuronsNeuromodulatory 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
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
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
Role of the ferret perigeniculate nucleus in the generation of synchronized oscillations in vitro.
Bal T, von Krosigk M, McCormick D. Role of the ferret perigeniculate nucleus in the generation of synchronized oscillations in vitro. The Journal Of Physiology 1995, 483: 665-685. PMID: 7776250, PMCID: PMC1157809, DOI: 10.1113/jphysiol.1995.sp020613.Peer-Reviewed Original ResearchConceptsExcitatory postsynaptic potentialsInhibitory postsynaptic potentialsPGN cellsSpindle wave generationLow-threshold Ca2Perigeniculate nucleusSpindle wavesPGN neuronsPostsynaptic potentialsRelay neuronsGABAA receptorsRelay cellsHigh-frequency burst dischargesThreshold Ca2Dorsal lateral geniculate nucleusNon-NMDA receptorsShort-duration inhibitory postsynaptic potentialMarked increaseLateral geniculate nucleusExtracellular recording techniquesVitro. 2GABAergic neuronsGABAergic receptorsGABAB receptorsProgressive hyperpolarization
1993
A model for 8–10 Hz spindling in interconnected thalamic relay and reticularis neurons
Destexhe A, McCormick D, Sejnowski T. A model for 8–10 Hz spindling in interconnected thalamic relay and reticularis neurons. Biophysical Journal 1993, 65: 2473-2477. PMID: 8312485, PMCID: PMC1225988, DOI: 10.1016/s0006-3495(93)81297-9.Peer-Reviewed Original ResearchConceptsReticular cellsReticular thalamic cellsInhibitory postsynaptic potentialsIntrinsic oscillatory propertiesReticularis neuronsSpindle rhythmicityPostsynaptic potentialsInhibitory synapsesThalamic cellsThalamic relayThalamocortical cellsSilent periodSynaptic interactionsSpindle oscillationsRhythmic oscillationsCellsCellular 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 activitySeizuresCellsThalamus
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
1989
GABA as an inhibitory neurotransmitter in human cerebral cortex
McCormick D. GABA as an inhibitory neurotransmitter in human cerebral cortex. Journal Of Neurophysiology 1989, 62: 1018-1027. PMID: 2573696, DOI: 10.1152/jn.1989.62.5.1018.Peer-Reviewed Original ResearchConceptsInhibitory postsynaptic potentialsGamma-aminobutyric acidEarly inhibitory postsynaptic potentialHuman cerebral cortexExcitatory postsynaptic potentialsAverage reversal potentialCerebral cortexInhibitory neurotransmitterPostsynaptic potentialsLate inhibitory postsynaptic potentialsSlow inhibitory postsynaptic potentialGABAergic inhibitory postsynaptic potentialsInitial excitatory postsynaptic potentialsReversal potentialGABAB agonist baclofenGABAB antagonist phaclofenGABAA antagonist bicucullineGABAA agonist muscimolParoxysmal epileptiform activityMajor inhibitory neurotransmitterVitro. 2Antagonist phaclofenMembrane conductanceAgonist baclofenAntagonist bicuculline
1988
Acetylcholine inhibits identified interneurons in the cat lateral geniculate nucleus
McCormick D, Pape H. Acetylcholine inhibits identified interneurons in the cat lateral geniculate nucleus. Nature 1988, 334: 246-248. PMID: 3398922, DOI: 10.1038/334246a0.Peer-Reviewed Original ResearchConceptsLateral geniculate nucleusRelay cellsGeniculate nucleusDorsal lateral geniculate nucleusMuscarinic receptor-mediated increaseBrainstem cholinergic neuronsCat lateral geniculate nucleusInhibitory postsynaptic potentialsReceptor-mediated increaseDistinctive electrophysiological propertiesUnderlying ionic mechanismsLGNd relay cellsAcetylcholine inhibitsCholinergic neuronsAcetylcholine releaseCerebral cortexCholinergic actionCholinergic axonsPostsynaptic potentialsRelay neuronsCholinergic systemFacilitatory influenceElectrophysiological propertiesCat LGNdIntrageniculate interneurons