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Electrical Brain Stimulation Helps People Learn Math Faster

Just about everyone wishes they were better at math. But studying and practicing is so difficult and boring that very few people do it. If only there were an easier way.

Now there may be, suggests a new study in which scientists stimulated volunteers’ brains with mild electric current while they learned new arithmetic operations based on made-up symbols. People who received brain stimulation during training sessions on five consecutive days learned two to five times faster than those who received sham stimulation, and they retained a 30 to 40 percent performance edge six months later.

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