2024
Dynamics of magnetic cortico‐cortical responses evoked by single‐pulse electrical stimulation
Feys O, Schuind S, Sculier C, Rikir E, Legros B, Gaspard N, Wens V, De Tiège X. Dynamics of magnetic cortico‐cortical responses evoked by single‐pulse electrical stimulation. Epilepsia 2024 PMID: 39641210, DOI: 10.1111/epi.18183.Peer-Reviewed Original ResearchSingle-pulse electrical stimulationEpileptogenic zoneCortico-corticalRefractory focal epilepsyElectrical stimulationBrain structuresEvoked responsesEffective connectivityEpileptogenic networksFocal epilepsyIntracranial EEGCortical/subcortical structuresComplex spatiotemporal dynamicsIntracranial recordingsStimulationMEG signalsLocation of electrodesMagnetoencephalographyVariability of cortico‐cortical evoked potentials in the epileptogenic zone is related to seizure occurrence
Feys O, Wens V, Schuind S, Rikir E, Legros B, De Tiège X, Gaspard N. Variability of cortico‐cortical evoked potentials in the epileptogenic zone is related to seizure occurrence. Annals Of Clinical And Translational Neurology 2024, 11: 2645-2656. PMID: 39370736, PMCID: PMC11514933, DOI: 10.1002/acn3.52179.Peer-Reviewed Original ResearchSingle-pulse electrical stimulationEpileptogenic zoneStereo-electroencephalography recordingsStereo-electroencephalographyEpileptogenic networksReceiver operating characteristic curveCortico-corticalOperating characteristics curveOccurrence of seizuresEpileptiform dischargesSeizure frequencyEpilepsy surgerySeizuresSeizure occurrenceCharacteristic curveSpearman correlationElectrical stimulationTime courseCCEPStimulationConnectivity modificationsSurgeryPatients
2023
Delayed effective connectivity characterizes the epileptogenic zone during stereo-EEG
Feys O, Wens V, Rovai A, Schuind S, Rikir E, Legros B, De Tiège X, Gaspard N. Delayed effective connectivity characterizes the epileptogenic zone during stereo-EEG. Clinical Neurophysiology 2023, 158: 59-68. PMID: 38183887, DOI: 10.1016/j.clinph.2023.12.013.Peer-Reviewed Original ResearchSingle-pulse electrical stimulationEpileptogenic zoneRefractory focal epilepsyEffective connectivityEffective connectivity changesResection limitsEpileptogenic networksFocal epilepsyAbnormal responseCortico-subcorticoCortical levelElectrical stimulationStereo-EEGPatientsDepth electrodesConnectivity changesStereoelectroencephalographyAnalysis of varianceCharacteristic curveOccurrence of spikesCCEPsStimulationHigh-frequency oscillationsAssociationResponse