Transcranial Direct Current Stimulation(tDCS) is a neuromodulation technique. Reported to improve clinical conditions as well as cognition, tDCS has potential as a treatment modality since it involves only simple scalp electrodes to drive mA currents. To date, only mathematical modeling has been used to visualize tDCS-applied currents.
In previous work, we used MRI field mapping in a novel paradigm to visualize in-vivo, a component of the magnetic field generated by these currents. The present work completes the picture by validating our current visualization technique via comparison between the measured and simulated current-induced fields in a specially constructed phantom.
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