资料图:微量电击大脑
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.
实验证明,单向电击大脑有助于学生的数字认知,其效果能持续六个月。但是令人担忧的是,从另一侧通过电流则会让学生的数字认知变得很差。