2023
Decreased but diverse activity of cortical and thalamic neurons in consciousness-impairing rodent absence seizures
McCafferty C, Gruenbaum B, Tung R, Li J, Zheng X, Salvino P, Vincent P, Kratochvil Z, Ryu J, Khalaf A, Swift K, Akbari R, Islam W, Antwi P, Johnson E, Vitkovskiy P, Sampognaro J, Freedman I, Kundishora A, Depaulis A, David F, Crunelli V, Sanganahalli B, Herman P, Hyder F, Blumenfeld H. Decreased but diverse activity of cortical and thalamic neurons in consciousness-impairing rodent absence seizures. Nature Communications 2023, 14: 117. PMID: 36627270, PMCID: PMC9832004, DOI: 10.1038/s41467-022-35535-4.Peer-Reviewed Original ResearchConceptsThalamic neuronsAbsence seizuresSeizure onsetNeuronal firingConsciousness-impairing seizuresFemale rat modelLow-frequency electroencephalographic activityFunctional magnetic resonanceBehavioral arrestRat modelRhythmic firingTransient initial peakFiring increasesSeizuresNeuronal mechanismsElectroencephalographic activityNeuronsBrain state changesBrief episodesFiring decreasesInitial peakFiringMagnetic resonanceDistinct patternsOnset
2007
Energetics of neuronal signaling and fMRI activity
Maandag NJ, Coman D, Sanganahalli BG, Herman P, Smith AJ, Blumenfeld H, Shulman RG, Hyder F. Energetics of neuronal signaling and fMRI activity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 20546-20551. PMID: 18079290, PMCID: PMC2154468, DOI: 10.1073/pnas.0709515104.Peer-Reviewed Original ResearchConceptsRSN activityContralateral S1FMRI activationBaseline stateContralateral primary somatosensory cortexPrimary somatosensory cortexSomatosensory cortexIntracortical interactionsFiring rateNeuronal signalingFMRI activityEnsemble activityEnsemble firingStimulationHalothaneCortexNeuronsBaselineActivationFMRI dataLarge majorityAnesthesiaActivityRats