適度電擊大腦竟讓你變＂數學達人＂

資料圖:微量電擊大腦

　　Passing the current one way through the brain made the students better with figures - and the effect lasted for up to six months. But, worryingly, running the electricity the other way made them dramatically worse.

　　實驗證明，單向電擊大腦有助于學生的數字認知，其效果能持續(xù)六個月。但是令人擔憂的是，從另一側通過電流則會讓學生的數字認知變得很差。