2022
Hippocampal recording via the RNS system reveals marked ipsilateral activation of epileptiform activity during Wada testing
Quraishi IH, Brown FC, Johnson MH, Hirsch LJ. Hippocampal recording via the RNS system reveals marked ipsilateral activation of epileptiform activity during Wada testing. Epilepsy & Behavior 2022, 134: 108854. PMID: 35905518, DOI: 10.1016/j.yebeh.2022.108854.Peer-Reviewed Original ResearchConceptsResponsive neurostimulation systemWada testingEpileptiform activityElicitation of seizuresTemporal lobe resectionInternal carotid arteryMedial temporal structuresHippocampal vasculatureIpsilateral activationLobe resectionPosterior circulationElectrographic seizuresTemporal lobectomyElectrographic changesIntractable epilepsyClinical correlatesWada testCarotid arteryHippocampal spikesNegative findingsNeurostimulation systemHippocampal EEGHippocampal activityPatientsTransient increase
2017
Impairment of consciousness induced by bilateral electrical stimulation of the frontal convexity
Quraishi IH, Benjamin CF, Spencer DD, Blumenfeld H, Alkawadri R. Impairment of consciousness induced by bilateral electrical stimulation of the frontal convexity. Epilepsy & Behavior Reports 2017, 8: 117-122. PMID: 29204347, PMCID: PMC5707211, DOI: 10.1016/j.ebcr.2017.09.006.Peer-Reviewed Case Reports and Technical NotesElectrical cortical stimulationLoss of consciousnessCortical stimulationFrontal convexityFocal cortical stimulationIntracranial EEG evaluationBilateral electrical stimulationImpairment of consciousnessCessation of stimulationLateral frontal lobeFronto-parietal areasIntractable epilepsyIctal dischargesRarity of reportsElectrophysiological findingsFocal epilepsyEpileptic focusEEG evaluationIntracranial EEG recordingsCase of impairmentCortical connectivityElectrical stimulationEpileptic seizuresFrontal lobeSubcortical structures