他发现,他可以短暂关闭一些已知对认知技能有着重要作用的脑部区域。利用经颅磁刺激术刺激大脑顶叶时,他发现平时精通数字的博士生的运算技能降低到了类似于发展性计算障碍患者的水平。
That led to his next inquiry: If current could turn off regions of the brain making people temporarily math-challenged, could a different type of stimulation improve math performance?
于是他继续发问:如果说电流可以关掉大脑的某些区域、让人暂时出现运算困难,那么另外某种刺激是否可以提高数学成绩?
Cognitive training helps to some extent in some individuals with math difficulties. Dr. Cohen Kadosh wondered if such learning could be improved if the brain was stimulated at the same time.
对于某些数学不行的人来讲,认知训练在一定程度上是有用的。科恩・卡多什博士猜想,如果在认知训练的同时刺激大脑,其效果有没有可能提高?
But transcranial magnetic stimulation wasn't the right tool because the current induced was too strong. Dr. Cohen Kadosh puzzled over what type of stimulation would be appropriate until a colleague who had worked with researchers in Germany returned and told him about tES, at the time a new technique. Dr. Cohen Kadosh decided tES was the way to go.
但经颅磁刺激术不是合适的工具,因为它所导入的电流太强。科恩・卡多什博士苦寻合适的刺激种类,直到一位曾经与德国研究人员合作的同事回来跟他说起了经颅电刺激术。在当时,这还是一项新技术。科恩・卡多什博士决定采用经颅电刺激术。
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