2024
Systematic 1 Hz direct electrical stimulation for seizure induction: A reliable method for localizing seizure onset zone and predicting seizure freedom
Sivaraju A, Quraishi I, Collins E, McGrath H, Ramos A, Turk-Browne N, Zaveri H, Damisah E, Spencer D, Hirsch L. Systematic 1 Hz direct electrical stimulation for seizure induction: A reliable method for localizing seizure onset zone and predicting seizure freedom. Brain Stimulation 2024, 17: 339-345. PMID: 38490472, DOI: 10.1016/j.brs.2024.03.011.Peer-Reviewed Original ResearchSeizure inductionSeizure onset zoneSurgical outcomesHabitual seizuresOnset zonePredicting seizure freedomExcellent surgical outcomesProspective cohort studyMann-Whitney testConsecutive patientsFisher's exactSeizure freedomRefractory epilepsyCohort studyPost-surgeryInsular regionsMann-WhitneyPatientsIntracranial EEGSeizuresLocalizing seizure onset zonesStimulationElectrical stimulationMedial temporal regionsTemporal regions
2022
331 Role of Functional Network Formation in Epilepsy
Boddeti U, Bachani M, Moyer M, Owotade J, Serra R, Zaveri H, Ksendzovsky A. 331 Role of Functional Network Formation in Epilepsy. Neurosurgery 2022, 68: 75-76. DOI: 10.1227/neu.0000000000001880_331.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsEpileptogenic focusFocal epilepsyTetanic stimulationGood surgical outcomePrimary mixed culturesMulti-electrode arraysCortical epilepsyRefractory seizuresSurgical resectionSurgical outcomesEpileptogenic networksVitro stimulationCortical neuronsRat pupsSeizure onsetAxonal boutonsEpilepsy patientsSurgery decisionDaily stimulationDendritic spinesSeizure formationEpilepsyVitro modelStimulationNetwork disorder
2018
The roles of surgery and technology in understanding focal epilepsy and its comorbidities
Spencer DD, Gerrard JL, Zaveri HP. The roles of surgery and technology in understanding focal epilepsy and its comorbidities. The Lancet Neurology 2018, 17: 373-382. PMID: 29553383, DOI: 10.1016/s1474-4422(18)30031-0.Peer-Reviewed Original ResearchConceptsFocal epilepsyNeuropsychiatric disordersComplete seizure controlPoor postsurgical outcomeRole of surgeryRefractory focal epilepsyOnset areaComorbid neuropsychiatric disordersSeizure onset areaBehavioral seizuresSeizure controlSurgical outcomesPostsurgical outcomesEpileptogenic tissueEpilepsy networkHigh prevalenceStructural brain networksIndividualised therapyPatientsBrain regionsEpilepsyElectrophysiological recordingsIntracranial electrophysiological recordingsStructural MRIGold standard
2013
Seizure localization using three-dimensional surface projections of intracranial EEG power
Lee HW, Youngblood MW, Farooque P, Han X, Jhun S, Chen WC, Goncharova I, Vives K, Spencer DD, Zaveri H, Hirsch LJ, Blumenfeld H. Seizure localization using three-dimensional surface projections of intracranial EEG power. NeuroImage 2013, 83: 616-626. PMID: 23850575, PMCID: PMC3815983, DOI: 10.1016/j.neuroimage.2013.07.010.Peer-Reviewed Original ResearchConceptsEpilepsy surgerySeizure localizationGood surgical outcomeEEG powerIntractable epilepsy patientsAgreement rateNormal brain functionOverall agreement ratePoor outcomeSurgical outcomesIntractable epilepsyIcEEG recordingsSeizure onsetSublobar localizationEpilepsy patientsIndependent reviewersClinical informationIcEEG dataPatientsBrain functionSurgeryImproved diagnostic methodIntracranial EEGDiagnostic methodsOutcomes
2003
A Retrospective Analysis of Hippocampal Pathology in Human Temporal Lobe Epilepsy: Evidence for Distinctive Patient Subcategories
De Lanerolle NC, Kim JH, Williamson A, Spencer SS, Zaveri HP, Eid T, Spencer DD. A Retrospective Analysis of Hippocampal Pathology in Human Temporal Lobe Epilepsy: Evidence for Distinctive Patient Subcategories. Epilepsia 2003, 44: 677-687. PMID: 12752467, DOI: 10.1046/j.1528-1157.2003.32701.x.Peer-Reviewed Original ResearchMeSH KeywordsAdultApoptosisCell CountCulture TechniquesDentate GyrusDynorphinsElectroencephalographyEpilepsy, Temporal LobeEvoked PotentialsFemaleFollow-Up StudiesHippocampusHumansImmunoenzyme TechniquesInterneuronsMaleNeuronsNeuropeptide YReference ValuesRetrospective StudiesSclerosisSomatostatinSubstance PTreatment OutcomeConceptsIntractable temporal lobe epilepsyTemporal lobe epilepsyDentate granule cellsLobe epilepsySurgical outcomesNeuronal lossNeuronal densityGranule cellsDentate gyrusNonsclerotic hippocampiRetrospective analysisHippocampal subfieldsHuman temporal lobe epilepsyBasis of pathophysiologyEvidence of sclerosisSignificant neuronal lossExtensive neuronal lossSharp electrode recordingsPatient subcategoriesSignificant hyperexcitabilityAutopsy controlsHippocampal pathologyNeuropeptide YImmunohistochemical characteristicsSubstance P
2001
Distinguishing Subtypes of Temporal Lobe Epilepsy with Background Hippocampal Activity
Zaveri H, Duckrow R, De Lanerolle N, Spencer S. Distinguishing Subtypes of Temporal Lobe Epilepsy with Background Hippocampal Activity. Epilepsia 2001, 42: 725-730. PMID: 11422326, DOI: 10.1046/j.1528-1157.2001.00500.x.Peer-Reviewed Original ResearchConceptsMesial temporal sclerosisTemporal lobe epilepsyLobe epilepsySurgical outcomesIntractable temporal lobe epilepsyPoor surgical outcomesGood surgical outcomeMedial temporal structuresMedial temporal lobeDelta band powerTemporal sclerosisRetrospective studyHippocampal tissueBackground EEGSeizure onsetIndividual patientsSurgical proceduresIntracranial monitoringTemporal lobeGamma frequency bandClinical observationsPatientsAnterior hippocampusCell lossSubtypes