Detailed 3D models of the induced electric field of transcranial magnetic stimulation coils

F. S. Salinas, J. L. Lancaster, P. T. Fox

Research output: Contribution to journalArticle

79 Scopus citations

Abstract

Previous models neglected contributions from current elements spanning the full geometric extent of wires in transcranial magnetic stimulation (TMS) coils. A detailed account of TMS coil wiring geometry is shown to provide significant improvements in the accuracy of electric field (E-field) models. Modeling E-field dependence based on the TMS coil's wire width, height, shape and number of turns clearly improved the fit of calculated-to-measured E-fields near the coil body. Detailed E-field models were accurate up to the surface of the coil body (within 0.5% of measured) where simple models were often inadequate (up to 32% different from measured).

Original languageEnglish (US)
Article number016
JournalPhysics in Medicine and Biology
Volume52
Issue number10
DOIs
StatePublished - May 21 2007

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

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