Distinct signatures of loss of consciousness in focal impaired awareness versus tonic-clonic seizures
Juan E, Górska U, Kozma C, Papantonatos C, Bugnon T, Denis C, Kremen V, Worrell G, Struck A, Bateman L, Merricks E, Blumenfeld H, Tononi G, Schevon C, Boly M. Distinct signatures of loss of consciousness in focal impaired awareness versus tonic-clonic seizures. Brain 2022, 146: 109-123. PMID: 36383415, PMCID: PMC10582624, DOI: 10.1093/brain/awac291.Peer-Reviewed Original ResearchConceptsBilateral tonic-clonic seizuresFocal impaired awarenessTonic-clonic seizuresLoss of consciousnessSeizure onset zoneSlow wave activityIntracranial EEG activityImpaired awarenessIctal recruitmentCortical activationOnset zoneHigh-gamma activityCross-frequency couplingFocal impaired awareness seizuresNegative prognostic consequencesSleep-like activityEEG activityCortical firing ratesParieto-occipital cortexPosterior brain regionsMulti-unit activityAwareness seizuresClinical outcomesPrognostic consequencesClinical signs