Intracranial voltage recording during transcranial direct current stimulation (tDCS) in human subjects with validation of a standard model
Zeinab Esmaeilpour, Matija Milosevic, Kleber Azevedo, Niranjan Khadka1, Jessie Navarro, Andre Brunon, Milos R. Popovic, Marom Bikson, and Erich Talamoni Fonoff. 2017. Brain Stimulation.
In this study, electric fields were measured using deep brain stimulation (DBS) electrodes during application of tDCS in human subjects. In conclusion, the results show tDCS producing electric fields in target brain areas at levels that are known to affect neuronal excitability.