边走路边发短信为什么更容易摔跤
<p><span word="The">The</span> <span word="cognitive">cognitive</span> <span word="challenges">challenges</span> <span word="of">of</span> <span word="walking">walking</span> <span word="while">while</span> <span word="texting">texting</span> <span word="are">are</span> <span word="well">well</span> <span word="known">known</span>, <span word="both">both</span> <span word="to">to</span> <span word="scientists">scientists</span> <span word="and">and</span> <span word="to">to</span> <span word="those">those</span> <span word="of">of</span> <span word="us">us</span> <span word="who">who</span> <span word="have">have</span> <span word="ambled">ambled</span> <span word="into">into</span> <span word="a">a</span> <span word="light">light</span> <span word="pole">pole</span> <span word="or">or</span> <span word="a">a</span> <span word="fellow">fellow</span> <span word="pedestrian">pedestrian</span> <span word="or">or</span> <span word="have">have</span> <span word="been">been</span> <span word="on">on</span> <span word="the">the</span> <span word="receiving">receiving</span> <span word="end">end</span> <span word="of">of</span> <span word="someone">someone</span> <span word="else">else</span>'<span word="s">s</span> <span word="distracted">distracted</span> <span word="movements">movements</span>. <span word="Strolling">Strolling</span> <span word="while">while</span> <span word="talking">talking</span> <span word="on">on</span> <span word="the">the</span> <span word="phone">phone</span> — <span word="or">or</span>, <span word="more">more</span> <span word="particular">particular</span>, <span word="texting">texting</span> — <span word="ties">ties</span> <span word="up">up</span> <span word="the">the</span> <span word="brain">brain</span>'<span word="s">s</span> <span word="relatively">relatively</span> <span word="limited">limited</span> <span word="working">working</span> <span word="attentional">attentional</span> <span word="resources">resources</span>, <span word="most">most</span> <span word="researchers">researchers</span> <span word="would">would</span> <span word="agree">agree</span>, <span word="much">much</span> <span word="as">as</span> <span word="those">those</span> <span word="activities">activities</span> <span word="do">do</span> <span word="when">when</span> <span word="you">you</span> <span word="are">are</span> <span word="driving">driving</span>.</p><p>边走边发短信会带来认知挑战，这一点不仅仅为科学家，也为那些曾经一头撞上电线杆或者别的路人，或者曾被走神的人撞上的人来说所熟知。边走边使用电话——或者更具体地说，发短信——涉及到的工作记忆资源相对有限，至少不会超过你开车时发短信涉及的大脑资源，对此大部分研究人员都认同。</p><p><span word="But">But</span> <span word="walking">walking</span> <span word="is">is</span> <span word="not">not</span> <span word="driving">driving</span>. <span word="In">In</span> <span word="some">some</span> <span word="ways">ways</span>, <span word="it">it</span>'<span word="s">s</span> <span word="more">more</span> <span word="demanding">demanding</span>. <span word="You">You</span> <span word="sit">sit</span> <span word="while">while</span> <span word="you">you</span> <span word="drive">drive</span>. <span word="Walking">Walking</span> <span word="requires">requires</span> <span word="a">a</span> <span word="multitude">multitude</span> <span word="of">of</span> <span word="orchestrated">orchestrated</span> <span word="actions">actions</span> <span word="and">and</span> <span word="reactions">reactions</span>. <span word="But">But</span> <span word="whether">whether</span> <span word="and">and</span> <span word="how">how</span> <span word="using">using</span> <span word="a">a</span> <span word="phone">phone</span> <span word="affects">affects</span> <span word="the">the</span> <span word="physical">physical</span> <span word="process">process</span> <span word="of">of</span> <span word="walking">walking</span> <span word="and">and</span> <span word="whether">whether</span> <span word="those">those</span> <span word="impacts">impacts</span> <span word="might">might</span> <span word="have">have</span> <span word="health">health</span> <span word="costs">costs</span> <span word="have">have</span> <span word="been">been</span> <span word="little">little</span> <span word="explored">explored</span>.</p><p>但走路跟开车不同。在某种角度来说，它提出的要求更高。开车时你是坐着的，而走路需要多种行为和反应协调一致。不过，用手机是否或如何影响走路这种生理过程，以及这种影响是否会产生健康损害，这些还甚少得到研究。</p>
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