Non-invasive Brain Stimulation of the Prefrontal Cortex in Substance Use Disorders

HD-tDCS is used at 2mA and during 20 minutes and with electrodes positioned on regions F4 (anode), Fp2, Fz, F8 and C4 (cathodes), according to the international 10-20 electroencephalogram system. 5 sessions are given on 5 following days. The material used in this study is the Soterix Medical 1x1 tES mini-CT and HD 4x1 splitter, produced by Soterix Medical Inc., 237 W 35th St, New York, NY 10001, United States of America.