Reaching deep brain structures: The H-coils

Yiftach Roth, Abraham Zangen

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

10 Scopus citations


The capacity of standard transcranial magnetic stimulation (TMS) to elicit neuronal responses is limited to superficial structures. The deep TMS technology enables direct stimulation of deeper and larger brain volumes, potentially affecting extensive neuronal pathways including deeper cortical regions and fibers targeting subcortical regions, without a significant increase of the electric field induced in superficial cortical layers. This chapter includes theoretical background and design principles of deep TMS H-coils, comparison of standard TMS and deep TMS coils electric field profiles, as well as description and maps of electric field distribution of several deep TMS H-coils.

Original languageEnglish
Title of host publicationTranscranial Magnetic Stimulation
EditorsAlexander Rotenberg, Jared Cooney Horvath, Alvaro Pascual-Leone
ISBN (Electronic)978-1-4939-0879-0
ISBN (Print) 978-1-4939-0878-3
StatePublished - 2014

Publication series

PublisherHumana Press
ISSN (Print)0893-2336


  • Deep brain structures stimulation
  • Deep transcranial magnetic stimulation
  • Electric field
  • Magnetic coils


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