Comparison of fMRI and intraoperative direct cortical stimulation in localization of receptive language areas

Joseph T. Lurito, Mark J. Lowe, Carl Sartorius, Vincent P. Mathews

Research output: Contribution to journalArticle

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Abstract

Purpose: The purpose of this work was to compare the cortical localization of receptive speech using functional MRI (fMRI) and direct intraoperative electrical stimulation. Method: Three strongly right-handed patients with primary neoplasms of the left parasylvian region underwent fMRI while subjected to a passive listening task designed to activate receptive language areas. All three subjects then underwent awake intraoperative language mapping using direct electrical stimulation of the cortex. Results: In all three subjects, similar, but nonidentical, cortical regions were identified as involved in receptive language function by fMRI and direct cortical stimulation mapping. Conclusion: fMRI provides excellent receptive language mapping, but its results must be interpreted with caution due to conceptual and technical differences from direct cortical stimulation mapping.

Original languageEnglish (US)
Pages (from-to)99-105
Number of pages7
JournalJournal of Computer Assisted Tomography
Volume24
Issue number1
DOIs
StatePublished - Oct 16 2000

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Keywords

  • Anatomy - Brain
  • Brain
  • Functional (fMRI)
  • Mapping - Magnetic resonance imaging
  • Neoplasms - Maps
  • Speech - Brain

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

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