美专家:网瘾少年大脑容易萎缩
<p><span word="Excessive">Excessive</span> <span word="internet">internet</span> <span word="use">use</span> <span word="may">may</span> <span word="cause">cause</span> <span word="parts">parts</span> <span word="of">of</span> <span word="teenagers">teenagers</span>’ <span word="brains">brains</span> <span word="to">to</span> <span word="waste">waste</span> <span word="away">away</span>, <span word="a">a</span> <span word="study">study</span> <span word="reveals">reveals</span>. <span word="Scientists">Scientists</span> <span word="discovered">discovered</span> <span word="signs">signs</span> <span word="of">of</span> <span word="atrophy">atrophy</span> <span word="of">of</span> <span word="grey">grey</span> <span word="matter">matter</span> <span word="in">in</span> <span word="the">the</span> <span word="brains">brains</span> <span word="of">of</span> <span word="heavy">heavy</span> <span word="internet">internet</span> <span word="users">users</span> <span word="that">that</span> <span word="grew">grew</span> <span word="worse">worse</span> <span word="over">over</span> <span word="time">time</span>. <span word="This">This</span> <span word="could">could</span> <span word="affect">affect</span> <span word="their">their</span> <span word="concentration">concentration</span> <span word="and">and</span> <span word="memory">memory</span>, <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="their">their</span> <span word="ability">ability</span> <span word="to">to</span> <span word="make">make</span> <span word="decisions">decisions</span> <span word="and">and</span> <span word="set">set</span> <span word="goals">goals</span>. <span word="It">It</span> <span word="could">could</span> <span word="also">also</span> <span word="reduce">reduce</span> <span word="their">their</span> <span word="inhibitions">inhibitions</span> <span word="and">and</span> <span word="lead">lead</span> <span word="to">to</span> ‘<span word="inappropriate">inappropriate</span>’ <span word="behaviour">behaviour</span>. 在这个网络泛滥的年代，各式各样的智能手机、社交网络让爆炸化的信息充斥着我们的生活，我们的生活因网络变得紧密，与此同时，我们的生活也因网络而愈渐疏远。有消息称，青少年过度使用英特网会损害部分大脑功能，科学家发现了滥用网络的青少年的大脑中有萎缩的灰质成分，随着使用网络的时间增长，萎缩的灰质部分有增大的趋势。专家称，这会影响他们的注意力以及记忆力，还有决策力。</p><p><span word="Researchers">Researchers</span> <span word="took">took</span> <span word="MRI">MRI</span> <span word="brain">brain</span> <span word="scans">scans</span> <span word="from">from</span> 18 <span word="university">university</span> <span word="students">students</span>, <span word="aged">aged</span> 19, <span word="who">who</span> <span word="spent">spent</span> <span word="eight">eight</span> <span word="to">to</span> 13 <span word="hours">hours</span> <span word="a">a</span> <span word="day">day</span> <span word="playing">playing</span> <span word="games">games</span> <span word="online">online</span>, <span word="six">six</span> <span word="days">days</span> <span word="a">a</span> <span word="week">week</span>. <span word="The">The</span> <span word="students">students</span> <span word="were">were</span> <span word="classified">classified</span> <span word="as">as</span> <span word="internet">internet</span> <span word="addicts">addicts</span> <span word="after">after</span> <span word="answering">answering</span> <span word="eight">eight</span> <span word="questions">questions</span>, <span word="including">including</span> <span word="whether">whether</span> <span word="they">they</span> <span word="had">had</span> <span word="tried">tried</span> <span word="to">to</span> <span word="give">give</span> <span word="up">up</span> <span word="using">using</span> <span word="computers">computers</span> <span word="and">and</span> <span word="whether">whether</span> <span word="they">they</span> <span word="had">had</span> <span word="lied">lied</span> <span word="to">to</span> <span word="family">family</span> <span word="members">members</span> <span word="about">about</span> <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="time">time</span> <span word="they">they</span> <span word="spent">spent</span> <span word="online">online</span>. <span word="The">The</span> <span word="researchers">researchers</span> <span word="compared">compared</span> <span word="them">them</span> <span word="with">with</span> <span word="a">a</span> <span word="control">control</span> <span word="group">group</span> <span word="of">of</span> 18 <span word="students">students</span> <span word="who">who</span> <span word="spent">spent</span> <span word="fewer">fewer</span> <span word="than">than</span> <span word="two">two</span> <span word="hours">hours</span> <span word="a">a</span> <span word="day">day</span> <span word="on">on</span> <span word="the">the</span> <span word="internet">internet</span>.</p><p>研究员针对18名年龄为19岁的大学生进行脑部核磁共振成像分析，这些学生每周至少有6天玩网络游戏的时间从8小时到13小时不等，而这些孩子又被认定为不同程度上的“网络上瘾症”。此外，这些孩子被要求回答许多问答题，题目包括他们何时曾经试图“戒网”？或者是否对父母撒谎自己网上游戏的时间程度。专家拿这些“网瘾”孩子的数据与另一组相对比较少上网的孩子做对比。</p>
页:
[1]