Non-Ionizing Radiation in Swedish Health Care-Exposure and Safety Aspects.
Research
RF Safe Research Library
Jan 1, 2019
This review describes non-ionizing radiation (EMF and optical radiation) methods used in Swedish health care and considers anticipated exposure levels and potential hazards. The authors report that acute effects cannot be ruled out for MRI, transcranial magnetic stimulation, and electrosurgery, and that optical…
Localizing Broca's area for transcranial magnetic stimulation: Comparison of surface distance measurements and stereotaxic positioning.
Research
RF Safe Research Library
Jan 1, 2009
This methods study evaluated an MRI-based surface distance measurements (SDM) approach for localizing Broca's area for TMS coil placement without external tracking devices. Coil positioning using SDM was compared with an advanced frameless stereotaxic navigation system. The reported mean difference between methods…
Sham Transcranial Magnetic Stimulation Using Electrical Stimulation of the Scalp.
Research
RF Safe Research Library
Jan 1, 2009
This study describes development and validation of a sham rTMS approach that combines a matched sham coil (for look/sound) with scalp electrical stimulation (for sensation). In back-to-back comparisons, TMS-naïve participants reportedly could not tell active from sham, whereas experienced participants could. The…
Coil design considerations for deep-brain transcranial magnetic stimulation (dTMS).
Research
RF Safe Research Library
Jan 1, 2008
This engineering-focused conference paper proposes figures of merit to evaluate deep-brain transcranial magnetic stimulation (dTMS) coil designs, focusing on depth penetration, scalp stimulation, focality, and energy. It analyzes circular crown and C-core coils and reports reduced electric-field attenuation with…