2019
Distinct Waking States for Strong Evoked Responses in Primary Visual Cortex and Optimal Visual Detection Performance
Neske G, Nestvogel D, Steffan P, McCormick D. Distinct Waking States for Strong Evoked Responses in Primary Visual Cortex and Optimal Visual Detection Performance. Journal Of Neuroscience 2019, 39: 10044-10059. PMID: 31672787, PMCID: PMC6978938, DOI: 10.1523/jneurosci.1226-18.2019.Peer-Reviewed Original ResearchConceptsPrimary visual cortexVisual cortexSensory processingVisual detection performanceCortical neuronal responsesCortical sensory processingWhole-cell recordingsMouse visual systemSensory cortical activityNeuronal membrane potentialArousal levelNeuronal responsivenessFunction of arousalMice increasesNeuronal responsesCortical activityV1 responsesVisual detection taskCortexSensory stimuliSensory responsesLocomotion periodsVisual stimuliBehavioral performanceMembrane potential
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
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
Excitatory 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
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 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
1999
Ca2+‐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
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
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 patternsInhibitionSynchronized Oscillations in the Inferior Olive Are Controlled by the Hyperpolarization-Activated Cation Current I h
Bal T, McCormick D. Synchronized Oscillations in the Inferior Olive Are Controlled by the Hyperpolarization-Activated Cation Current I h. Journal Of Neurophysiology 1997, 77: 3145-3156. PMID: 9212264, DOI: 10.1152/jn.1997.77.6.3145.Peer-Reviewed Original ResearchConceptsLow-threshold Ca2Inferior olive nucleusIO neuronsGuinea pigsHyperpolarization-activated cationic currentLocal applicationDependent action potentialsPresence of apaminMembrane potentialInferior olive neuronsIntracellular recordingsIntracellular injectionPacemaker potentialsRhythmic generationInferior oliveAfterhyperpolarizationAction potentialsCationic currentRemoval of inactivationExtracellular applicationNeuronsHyperpolarizationApaminCa2Pigs
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