Study on sleep, world's ugliest dog 睡眠不足对大脑影响的研究、世界最丑的狗狗
<p><span word="Study">Study</span> <span word="on">on</span> <span word="sleep">sleep</span>, <span word="world">world</span>'<span word="s">s</span> <span word="ugliest">ugliest</span> <span word="dog">dog</span> 睡眠不足对大脑影响的研究、世界最丑的狗狗</p><p>本集内容 <span word="Study">Study</span> <span word="launched">launched</span> <span word="on">on</span> <span word="sleep">sleep</span> <span word="deprivation">deprivation</span> 科学家发起睡眠不足对大脑影响的研究</p><p><span word="Meet">Meet</span> <span word="the">the</span> <span word="world">world</span>’<span word="s">s</span> <span word="ugliest">ugliest</span> <span word="dog">dog</span> 来一睹“世界最丑狗”的风采</p><p> <span word="We">We</span> <span word="spend">spend</span> <span word="nearly">nearly</span> <span word="a">a</span> <span word="third">third</span> <span word="of">of</span> <span word="our">our</span> <span word="lives">lives</span> <span word="asleep">asleep</span>. <span word="It">It</span>'<span word="s">s</span> <span word="vital">vital</span> <span word="for">for</span> <span word="our">our</span> <span word="physical">physical</span> <span word="and">and</span> <span word="mental">mental</span> <span word="health">health</span>. <span word="But">But</span>, <span word="we">we</span>’<span word="re">re</span> <span word="getting">getting</span> <span word="less">less</span> <span word="sleep">sleep</span> <span word="than">than</span> <span word="ever">ever</span>. <span word="British">British</span> <span word="neuroscientist">neuroscientist</span> <span word="Adrian">Adrian</span> <span word="Owen">Owen</span> <span word="based">based</span> <span word="in">in</span> <span word="Ontario">Ontario</span>, <span word="believes">believes</span> <span word="this">this</span> <span word="may">may</span> <span word="be">be</span> <span word="having">having</span> <span word="a">a</span> <span word="serious">serious</span> <span word="effect">effect</span> <span word="on">on</span> <span word="our">our</span> <span word="brainpower">brainpower</span>. <span word="I">I</span> <span word="joined">joined</span> <span word="volunteers">volunteers</span> <span word="at">at</span> <span word="Western">Western</span> <span word="University">University</span>, <span word="Ontario">Ontario</span>, <span word="trying">trying</span> <span word="out">out</span> <span word="his">his</span> <span word="online">online</span> <span word="test">test</span> <span word="designed">designed</span> <span word="to">to</span> <span word="assess">assess</span> <span word="reasoning">reasoning</span>, <span word="memory">memory</span> <span word="and">and</span> <span word="decision">decision</span> <span word="making">making</span>. <span word="To">To</span> <span word="demonstrate">demonstrate</span> <span word="how">how</span> <span word="tiredness">tiredness</span> <span word="may">may</span> <span word="affect">affect</span> <span word="those">those</span>, <span word="we">we</span> <span word="stayed">stayed</span> <span word="up">up</span> <span word="until">until</span> 4<span word="am">am</span> <span word="and">and</span> <span word="then">then</span> <span word="had">had</span> <span word="just">just</span> <span word="four">four</span> <span word="hours">hours</span>’ <span word="sleep">sleep</span>. <span word="Most">Most</span> <span word="of">of</span> <span word="our">our</span> <span word="scores">scores</span> <span word="went">went</span> <span word="down">down</span> <span word="compared">compared</span> <span word="to">to</span> <span word="the">the</span> <span word="night">night</span> <span word="before">before</span>. <span word="After">After</span> <span word="a">a</span> <span word="normal">normal</span> <span word="night">night</span>’<span word="s">s</span> <span word="sleep">sleep</span> <span word="my">my</span> <span word="brain">brain</span> <span word="was">was</span> <span word="functioning">functioning</span> <span word="well">well</span>. <span word="The">The</span> <span word="bright">bright</span> <span word="orange">orange</span> <span word="blobs">blobs</span> <span word="are">are</span> <span word="areas">areas</span> <span word="of">of</span> <span word="increased">increased</span> <span word="activity">activity</span>. <span word="And">And</span> <span word="this">this</span> <span word="is">is</span> <span word="the">the</span> <span word="scan">scan</span> <span word="done">done</span> <span word="after">after</span> <span word="four">four</span> <span word="hours">hours</span>’ <span word="sleep">sleep</span>. <span word="This">This</span> <span word="study">study</span> <span word="should">should</span> <span word="reveal">reveal</span> <span word="how">how</span> <span word="much">much</span> <span word="sleep">sleep</span> <span word="we">we</span> <span word="need">need</span> <span word="for">for</span> <span word="our">our</span> <span word="brains">brains</span> <span word="to">to</span> <span word="be">be</span> <span word="at">at</span> <span word="their">their</span> <span word="best">best</span>.</p><p>我们生命中近三分之一的时间都在睡觉。睡眠对于我们的身心健康来说至关重要。但是，我们的睡眠时间比以往任何时候都要少。在加拿大安大略省工作的英国神经科学家阿德里安·欧文认为，这一现状可能正严重影响我们的智力。我加入了安大略省韦仕敦大学（<span word="Western">Western</span> <span word="University">University</span>）的志愿者团队，并试做了这位科学家设计的旨在评估推理、记忆和决策水平的在线测试。为了展示疲劳是怎样影响上述能力的，志愿者们熬夜至清晨四点，接着只睡了四小时。与前一晚相比，大多数人的分数都有所降低。经过一宿正常的睡眠之后，我的大脑又开始有效地运转了。这一团亮橙色显示的是大脑活跃度增加的区域。而这个图像是在我们睡了四小时后扫描的。该研究将给我们揭示要使大脑达到最佳工作状态所需的睡眠时间。</p>
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