At a glance
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Prefrontal Modulation by Repetitive Bilateral Transcranial Direct Current Stimulation (tDCS) in Alcoholic Inpatients
In Brief
A clinical study evaluating transcranial Direct Current Stimulation for Drug Addiction and Executive Dysfunction. Completed, enrolled 49 participants across 1 site.
Detailed Summary
In this study, eligible alcoholic inpatients recruited from a specialized clinic for addiction treatment, filling inclusion criteria and not showing any exclusion criteria, were randomized to receive the repetitive (10 sessions, every other day) bilateral dorsolateral Prefrontal Cortex (dlPFC: cathodal left / anodal right) tDCS (2 milliamperes, 5 x 7 cm2, for 20 min) or placebo (sham-tDCS). Craving to the use of alcohol was examined before (baseline), during and after the end of the tDCS treatment. Based in our previous data, our hypothesis was that repetitive bilateral tDCS over dlPFC would favorably change craving in alcoholism and this would be a long-lasting effect.
Study Details
Timeline
Interventions
Direct currents were transferred via a pair of carbonated-silicone electrodes (35 cm2) with a thick layer of high conductive gel for EEG underneath them. The electric current will be delivered by an electric stimulator. To stimulate the left DLPFC, the cathode electrode was placed over F3 according to the 10-20 international system while the anode was placed over the contralateral F4 region. The currents flowed continuously for 20 minutes with an intensity of 2 milliamperes.