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Regular version of the site

Article

Overclock your brain for gaming? Ethical, social and health care risks

Brain Stimulation. 2013. Vol. 6. No. 5. P. 713-714.
Santarnecchi E., Feurra M., Galli G., Rossi A., Rossi S.
tDCS is a non-invasive brain stimulation (NIBS) neuromodulatory technique used in brain research, whose potential clinical applications to treat pathological neuropsychiatric conditions are rapidly growing. The rationale to use tDCS as a neuromodulatory treatment is that it modifies cortical excitability in a polarityspecific manner, with effects lasting even after the stimulation has ceased. tDCS applied over the prefrontal cortex can induce long-lasting improvements in cognitive abilities, as accelerating learning times to identify concealed objects in naturalistic environments, with a doseeresponse effect of applied current strength. Evidence-based clinical efficacy in large clinical trials on the use of prefrontal tDCS for treatment of depression and other psychiatric disorders is still weak, but randomized, controlled multicentric trials are currently ongoing worldwide (see http://clinicaltrials. gov). These studies will provide an answer about the real efficacy on clinical grounds.