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
2019
Movement and Performance Explain Widespread Cortical Activity in a Visual Detection Task
Salkoff D, Zagha E, McCarthy E, McCormick D. Movement and Performance Explain Widespread Cortical Activity in a Visual Detection Task. Cerebral Cortex 2019, 30: 421-437. PMID: 31711133, PMCID: PMC7029483, DOI: 10.1093/cercor/bhz206.Peer-Reviewed Original ResearchConceptsVisual detection taskSecondary motor cortexTask performanceTask-related movementsCortical activityMotor cortexDetection taskTask-independent processesOptimal task performanceWidespread cortical activityTask-related changesHead-fixed miceResponse choicesDorsal cortexOrofacial movementsNeural activityTrial variationLick responsesArousal stateTrial variabilityTarget trialsLick rateCortexCortical signalsTrialsDistinct 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
2010
Synaptic and Network Mechanisms of Sparse and Reliable Visual Cortical Activity during Nonclassical Receptive Field Stimulation
Haider B, Krause MR, Duque A, Yu Y, Touryan J, Mazer JA, McCormick DA. Synaptic and Network Mechanisms of Sparse and Reliable Visual Cortical Activity during Nonclassical Receptive Field Stimulation. Neuron 2010, 65: 107-121. PMID: 20152117, PMCID: PMC3110675, DOI: 10.1016/j.neuron.2009.12.005.Peer-Reviewed Original ResearchConceptsClassical receptive fieldCat primary visual cortexReceptive field stimulationVisual cortical activityPrimary visual cortexReceptive fieldsNonclassical receptive fieldPyramidal neuronsField stimulationSynaptic potentialsEntire visual fieldMembrane potential responsesNeuronal subtypesCortical activityVisual cortexRecurrent excitationVisual fieldVisual responsesIncreased activityStimulationInhibitory barragesNeuron spikingNetwork mechanismsVisual system studiesNatural vision
2003
Turning 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
1989
Convergence and divergence of neurotransmitter action in human cerebral cortex.
McCormick D, Williamson A. Convergence and divergence of neurotransmitter action in human cerebral cortex. Proceedings Of The National Academy Of Sciences Of The United States Of America 1989, 86: 8098-8102. PMID: 2573061, PMCID: PMC298222, DOI: 10.1073/pnas.86.20.8098.Peer-Reviewed Original ResearchConceptsHuman cerebral cortexPostsynaptic actionsCerebral cortexPutative neurotransmittersMuscarinic receptor agonistApplication of acetylcholineCortical pyramidal cellsGamma-aminobutyric acidDistinct potassium currentsSpecific anatomical connectionsSpike frequency adaptationPostsynaptic receptorsReceptor agonistPyramidal cellsNeurotransmitter systemsM-currentNeuronal firingNeurotransmitter actionPotassium currentCortical activityAnatomical connectionsSerotoninNeurotransmittersNorepinephrineAcetylcholine