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Stimulating the brain with rapid pulses of electricity can improve your ability to perform mental arithmetic for up to six months, a new study has shown.

 
一项新的研究显示,用电流速脉冲刺激大脑可以提高你的心算能力,效果可长达六个月。
For anyone who struggles with dividing the bill at the end of a meal, there is now a way to give your brain a boost.
对于那些餐后与账单苦苦斗争的人们来说,这是给你的大脑一个推动力的好方法。
Scientists have shown they can improve people’s ability to perform mental arithmetic for up to six months by giving them a short course of harmless electrical stimulation on their scalps.
科学家已经表示,他们能够通过无害的电流冲刺激头皮,提高人们长达六个月的心算能力。
Volunteers who received rapid pulses of electrical current – equivalent to that from an AA battery – for just 20 minutes a day for five days saw their ability to solve calculations improve by 28 per cent.
持续五天每天20分钟接受电流刺激(相当于AA电池)的志愿者,发现他们的计算能力提升了28%。
The enhancement, which made them faster at carrying out sums and other mathematical tasks, lasted for up to six months after receiving the electrical treatment.
这种提升在接受电击后持续了六个月,使得志愿者在计算总数时和其他数学工作中更快速。
The researchers, who are based at the University of Oxford, believe stimulating the brain in this way could be used to help people who struggle with performing mental arithmetic.
主要来自牛津的研究人员相信,以这种方式刺激大脑可以帮助那些在心算上苦苦挣扎的人们。
Around a fifth of the population are thought to struggle with mental arithmetic while one in 20 suffer from dyscalculia – a learning disability involving numbers that is similar to dyslexia.
据悉约有五分之一的人在与心算作斗争,而二十分之一的人忍受着计算障碍,这是一种涉及数字的学习障碍,与语言障碍类似。
Dr Roi Cohen Kadosh, a cognitive neuroscientist who led the study, said he hoped to develop devices that could be used to help students in classrooms and elderly people.
负责这个课题的是认知神经系统科学家瑞欧-科恩-卡多什博士,他表示希望开发出帮助学生和年长者的装置。
He said: “The amount of electricity we are applying is very small and totally painless. Most people asked us if the device was even working because they couldn’t feel it.The current appears to enhance the neurons ability to process information by making them more efficient.
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