电休克疗法帮患者忘却痛苦记忆
<p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="zapped">zapped</span> <span word="an">an</span> <span word="electrical">electrical</span> <span word="current">current</span> <span word="to">to</span> <span word="people">people</span>'<span word="s">s</span> <span word="brains">brains</span> <span word="to">to</span> <span word="erase">erase</span> <span word="distressing">distressing</span> <span word="memories">memories</span>, <span word="part">part</span> <span word="of">of</span> <span word="an">an</span> <span word="ambitious">ambitious</span> <span word="quest">quest</span> <span word="to">to</span> <span word="better">better</span> <span word="treat">treat</span> <span word="ailments">ailments</span> <span word="such">such</span> <span word="as">as</span> <span word="mental">mental</span> <span word="trauma">trauma</span>, <span word="psychiatric">psychiatric</span> <span word="disorders">disorders</span> <span word="and">and</span> <span word="drug">drug</span> <span word="addiction">addiction</span>.</p><p>近期研究发现，向脑中输入电流可以抹去人们不愉快的记忆。这是科学家在更好地治疗心理创伤、精神疾病和药物成瘾等疾病的研究过程中迈出的又一步。</p><p><span word="In">In</span> <span word="an">an</span> <span word="experiment">experiment</span>, <span word="patients">patients</span> <span word="were">were</span> <span word="first">first</span> <span word="shown">shown</span> <span word="a">a</span> <span word="troubling">troubling</span> <span word="story">story</span>, <span word="in">in</span> <span word="words">words</span> <span word="and">and</span> <span word="pictures">pictures</span>. <span word="A">A</span> <span word="week">week</span> <span word="later">later</span> <span word="they">they</span> <span word="were">were</span> <span word="reminded">reminded</span> <span word="about">about</span> <span word="it">it</span> <span word="and">and</span> <span word="given">given</span> <span word="electroconvulsive">electroconvulsive</span> <span word="therapy">therapy</span>, <span word="formerly">formerly</span> <span word="known">known</span> <span word="as">as</span> <span word="electroshock">electroshock</span>. <span word="That">That</span> <span word="completely">completely</span> <span word="wiped">wiped</span> <span word="out">out</span> <span word="their">their</span> <span word="recall">recall</span> <span word="of">of</span> <span word="the">the</span> <span word="distressing">distressing</span> <span word="narrative">narrative</span>.</p><p>在一项试验中，科学家首先藉助文字和图片向患者呈现一则令人烦恼的故事。一周之后，科学家会提醒患者回忆这个故事，然后对患者实施电休克治疗（即人们熟知的电击疗法），结果是患者完全忘记了这个痛苦的故事。</p><p>'<span word="It">It</span>'<span word="s">s</span> <span word="a">a</span> <span word="pretty">pretty</span> <span word="strong">strong</span> <span word="effect">effect</span>. <span word="We">We</span> <span word="observed">observed</span> <span word="it">it</span> <span word="in">in</span> <span word="every">every</span> <span word="subject">subject</span>,' <span word="said">said</span> <span word="Marijn">Marijn</span> <span word="Kroes">Kroes</span>, <span word="neuroscientist">neuroscientist</span> <span word="at">at</span> <span word="Radboud">Radboud</span> <span word="University">University</span> <span word="Nijmegen">Nijmegen</span> <span word="in">in</span> <span word="the">the</span> <span word="Netherlands">Netherlands</span> <span word="and">and</span> <span word="lead">lead</span> <span word="author">author</span> <span word="of">of</span> <span word="the">the</span> <span word="study">study</span>, <span word="published">published</span> <span word="Sunday">Sunday</span> <span word="in">in</span> <span word="the">the</span> <span word="journal">journal</span> <span word="Nature">Nature</span> <span word="Neuroscience">Neuroscience</span>.</p><p>荷兰奈梅亨拉德伯德大学(<span word="Radboud">Radboud</span> <span word="University">University</span> <span word="Nijmegen">Nijmegen</span>)神经科学家克勒斯(<span word="Marijn">Marijn</span> <span word="Kroes">Kroes</span>)说：效果非常明显，我们在所有受试者中都观察到了这一效果。克勒斯是这篇研究论文的主笔，论文周日发表在《自然神经科学》(<span word="Nature">Nature</span> <span word="Neuroscience">Neuroscience</span>)杂志上。</p>
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