牛津大学囧研究：数学不好？电击一下！
<p><span word="Stimulating">Stimulating</span> <span word="the">the</span> <span word="brain">brain</span> <span word="with">with</span> <span word="rapid">rapid</span> <span word="pulses">pulses</span> <span word="of">of</span> <span word="electricity">electricity</span> <span word="can">can</span> <span word="improve">improve</span> <span word="your">your</span> <span word="ability">ability</span> <span word="to">to</span> <span word="perform">perform</span> <span word="mental">mental</span> <span word="arithmetic">arithmetic</span> <span word="for">for</span> <span word="up">up</span> <span word="to">to</span> <span word="six">six</span> <span word="months">months</span>, <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="has">has</span> <span word="shown">shown</span>.</p><p>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。</p><p><span word="For">For</span> <span word="anyone">anyone</span> <span word="who">who</span> <span word="struggles">struggles</span> <span word="with">with</span> <span word="dividing">dividing</span> <span word="the">the</span> <span word="bill">bill</span> <span word="at">at</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> <span word="a">a</span> <span word="meal">meal</span>, <span word="there">there</span> <span word="is">is</span> <span word="now">now</span> <span word="a">a</span> <span word="way">way</span> <span word="to">to</span> <span word="give">give</span> <span word="your">your</span> <span word="brain">brain</span> <span word="a">a</span> <span word="boost">boost</span>.</p><p>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。</p><p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="shown">shown</span> <span word="they">they</span> <span word="can">can</span> <span word="improve">improve</span> <span word="people">people</span>’<span word="s">s</span> <span word="ability">ability</span> <span word="to">to</span> <span word="perform">perform</span> <span word="mental">mental</span> <span word="arithmetic">arithmetic</span> <span word="for">for</span> <span word="up">up</span> <span word="to">to</span> <span word="six">six</span> <span word="months">months</span> <span word="by">by</span> <span word="giving">giving</span> <span word="them">them</span> <span word="a">a</span> <span word="short">short</span> <span word="course">course</span> <span word="of">of</span> <span word="harmless">harmless</span> <span word="electrical">electrical</span> <span word="stimulation">stimulation</span> <span word="on">on</span> <span word="their">their</span> <span word="scalps">scalps</span>.</p><p>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。</p><p><span word="Volunteers">Volunteers</span> <span word="who">who</span> <span word="received">received</span> <span word="rapid">rapid</span> <span word="pulses">pulses</span> <span word="of">of</span> <span word="electrical">electrical</span> <span word="current">current</span> – <span word="equivalent">equivalent</span> <span word="to">to</span> <span word="that">that</span> <span word="from">from</span> <span word="an">an</span> <span word="AA">AA</span> <span word="battery">battery</span> – <span word="for">for</span> <span word="just">just</span> 20 <span word="minutes">minutes</span> <span word="a">a</span> <span word="day">day</span> <span word="for">for</span> <span word="five">five</span> <span word="days">days</span> <span word="saw">saw</span> <span word="their">their</span> <span word="ability">ability</span> <span word="to">to</span> <span word="solve">solve</span> <span word="calculations">calculations</span> <span word="improve">improve</span> <span word="by">by</span> 28 <span word="per">per</span> <span word="cent">cent</span>.</p><p>持续五天每天20分钟接受电流刺激（相当于<span word="AA">AA</span>电池）的志愿者，发现他们的计算能力提升了28%。</p><p><span word="The">The</span> <span word="enhancement">enhancement</span>, <span word="which">which</span> <span word="made">made</span> <span word="them">them</span> <span word="faster">faster</span> <span word="at">at</span> <span word="carrying">carrying</span> <span word="out">out</span> <span word="sums">sums</span> <span word="and">and</span> <span word="other">other</span> <span word="mathematical">mathematical</span> <span word="tasks">tasks</span>, <span word="lasted">lasted</span> <span word="for">for</span> <span word="up">up</span> <span word="to">to</span> <span word="six">six</span> <span word="months">months</span> <span word="after">after</span> <span word="receiving">receiving</span> <span word="the">the</span> <span word="electrical">electrical</span> <span word="treatment">treatment</span>.</p><p>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。</p>
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