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Does Brain Stimulation Boost Memory and Focus? Huge Study Tries to Settle Debate

Personalabs - online blood tests & telemedicine



Personalabs - online blood tests & telemedicine

After years of debate over whether non-invasively zapping the brain with electrical current can improve a person’s mental functioning, a massive analysis of past studies offers an answer: probably. But some question that conclusion, saying that the analysis spans experiments that are too disparate to offer a solid answer.

In the past six years, the number of studies testing the therapeutic effects of a class of techniques called transcranial electrical stimulation has skyrocketed. These therapies deliver a painless, weak electrical current to the brain through electrodes placed externally on the scalp. The goal is to excite, disrupt or synchronize signals in the brain to improve function.

Researchers have tested transcranial alternating current stimulation (tACS) and its sister technology, tDCS (transcranial direct current stimulation), on both healthy volunteers and those with neuropsychiatric conditions, such as depression, Parkinson’s disease or addiction. But study results have been conflicting or couldn’t be replicated, leading researchers to question the efficacy…



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