High-permeability core coils for transcranial magnetic stimulation of deep brain regions.

R. Salvador, P. C. Miranda, Y. Roth, A. Zangen

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Stimulation of deep brain regions with Transcranial Magnetic Stimulation (TMS) may have an important role as a therapy to treat chemical dependency and depression. The coils traditionally used in TMS, however, have a poor performance in stimulating deep neurons. In this work we study the usage of high permeability cores combined with coils specifically designed to induce fields that decay slowly with depth. By using the finite elements method we show that the use of such cores increases the field's magnitude, decreases its decay rate and improves its focality. Such improvements make these high permeability core coils more suited to stimulate deep brain regions.

Original languageEnglish
Pages (from-to)6653-6656
Number of pages4
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
StatePublished - 1 Jan 2007


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