Reaching deep brain structures: The H-coils

Yiftach Roth, Abraham Zangen

Research output: Contribution to journalArticlepeer-review


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 languageAmerican English
Pages (from-to)57-65
Number of pages9
StatePublished - 1 Jan 2014


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

All Science Journal Classification (ASJC) codes

  • Psychiatry and Mental health
  • General Biochemistry,Genetics and Molecular Biology
  • General Neuroscience
  • Pharmacology, Toxicology and Pharmaceutics(all)


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