2009
Reperfusion normalizes motor activation patterns in large‐vessel disease
Chmayssani M, Lazar RM, Hirsch J, Marshall RS. Reperfusion normalizes motor activation patterns in large‐vessel disease. Annals Of Neurology 2009, 65: 203-208. PMID: 19259970, PMCID: PMC2653600, DOI: 10.1002/ana.21554.Peer-Reviewed Original ResearchConceptsMotor activation patternsVasomotor reactivityActivation patternsInterest analysisIpsilateral motor activationLarge vessel diseaseNormal neurological functionHealthy control subjectsHigh-grade stenosisBlood oxygen level-dependent (BOLD) signalNormal blood flowDynamic functional reorganizationLevel-dependent signalFunctional magnetic resonanceRepeated-measures analysisHemodynamic failureHemodynamic impairmentRevascularization proceduresIpsilateral hemisphereNeurological functionControl subjectsClinical consequencesBlood flowFunctional reorganizationSpontaneous resolution
2000
An Integrated Functional Magnetic Resonance Imaging Procedure for Preoperative Mapping of Cortical Areas Associated with Tactile, Motor, Language, and Visual Functions
Hirsch J, Ruge M, Kim K, Correa D, Victor J, Relkin N, Labar D, Krol G, Bilsky M, Souweidane M, DeAngelis L, Gutin P. An Integrated Functional Magnetic Resonance Imaging Procedure for Preoperative Mapping of Cortical Areas Associated with Tactile, Motor, Language, and Visual Functions. Neurosurgery 2000, 47: 711. PMID: 10981759, DOI: 10.1097/00006123-200009000-00037.Peer-Reviewed Original ResearchConceptsIntraoperative electrophysiological measurementsVisual field examinationVisual functionHealthy volunteersCentral sulcusVisual cortexFMRI mapsWernicke's areaFunctional magnetic resonance imaging (fMRI) taskDirect cortical stimulationFunctional magnetic resonance imaging (fMRI) procedureBroca's areaField examinationElectrophysiological measurementsSurgical patientsSurgical riskCortical stimulationPreoperative mappingSurgical routeWada testCortical areasElectrophysiological proceduresMagnetic resonance imaging (MRI) proceduresMultiple critical functionsPreoperative map