Electrical stimulation mapping of the brain: Basic principles and emerging alternatives

Anthony L. Ritaccio, Peter Brunner, Gerwin Schalk

Research output: Contribution to journalReview articlepeer-review

37 Scopus citations

Abstract

The application of electrical stimulation mapping (ESM) of the brain for clinical use is approximating a century. Despite this long-standing history, the value of ESM for guiding surgical resections and sparing eloquent cortex is documented largely by small retrospective studies, and ESM protocols are largely inherited and lack standardization. Although models are imperfect and mechanisms are complex, the probabilistic causality of ESM has guaranteed its perpetuation into the 21st century. At present, electrical stimulation of cortical tissue is being revisited for network connectivity. In addition, noninvasive and passive mapping techniques are rapidly evolving to complement and potentially replace ESM in specific clinical situations. Lesional and epilepsy neurosurgery cases now offer different opportunities for multimodal functional assessments.

Original languageEnglish
Pages (from-to)86-97
Number of pages12
JournalJournal of Clinical Neurophysiology
Volume35
Issue number2
DOIs
StatePublished - 2018

Keywords

  • Brain mapping
  • Corticocortical-evoked potentials
  • Electrical stimulation mapping
  • Electrocorticography
  • Functional localization
  • Passive gamma mapping

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