辨别假笑其实并不难
<p><span word="Laughter">Laughter</span> <span word="is">is</span> <span word="a">a</span> <span word="kind">kind</span> <span word="of">of</span> <span word="universal">universal</span> <span word="body">body</span> <span word="language">language</span> <span word="that">that</span>’<span word="s">s</span> <span word="shared">shared</span> <span word="by">by</span> <span word="people">people</span> <span word="of">of</span> <span word="all">all</span> <span word="nationalities">nationalities</span>, <span word="skin">skin</span> <span word="colors">colors</span>, <span word="cultures">cultures</span> <span word="and">and</span> <span word="traditions">traditions</span>. <span word="But">But</span> <span word="did">did</span> <span word="you">you</span> <span word="know">know</span> <span word="that">that</span> <span word="the">the</span> <span word="ability">ability</span> <span word="to">to</span> <span word="tell">tell</span> <span word="genuine">genuine</span> <span word="laughter">laughter</span> <span word="apart">apart</span> <span word="from">from</span> <span word="fake">fake</span> <span word="laughter">laughter</span> <span word="also">also</span> <span word="transcends">transcends</span> <span word="cultures">cultures</span>?</p><p>笑是一种全球通用的肢体语言，不论国籍、肤色、文化和传统。但你知道吗？其实分辨真假笑声的能力也超越了文化的界限。</p><p><span word="Greg">Greg</span> <span word="Bryant">Bryant</span>, <span word="a">a</span> <span word="professor">professor</span> <span word="of">of</span> <span word="communication">communication</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="California">California</span>, <span word="Los">Los</span> <span word="Angeles">Angeles</span>, <span word="US">US</span>, <span word="published">published</span> <span word="a">a</span> <span word="study">study</span> <span word="in">in</span> <span word="Psychological">Psychological</span> <span word="Science">Science</span> <span word="in">in</span> <span word="late">late</span> <span word="July">July</span> <span word="in">in</span> <span word="which">which</span> <span word="he">he</span> <span word="found">found</span> <span word="that">that</span> <span word="people">people</span> <span word="are">are</span> <span word="able">able</span> <span word="to">to</span> <span word="identify">identify</span> <span word="real">real</span> <span word="laughter">laughter</span> <span word="through">through</span> <span word="slight">slight</span> <span word="variations">variations</span> <span word="in">in</span> <span word="sound">sound</span>.</p><p>去年7月下旬，美国加州大学洛杉矶分校的传播学教授格雷格·布莱恩特在《心理科学》杂志上发表了一项研究，他发现人们能够通过声音的细微变化辨别出真笑。</p><p><span word="In">In</span> <span word="the">the</span> <span word="study">study</span>, 884 <span word="people">people</span> <span word="from">from</span> 21 <span word="countries">countries</span> <span word="were">were</span> <span word="asked">asked</span> <span word="to">to</span> <span word="listen">listen</span> <span word="to">to</span> <span word="random">random</span> <span word="recordings">recordings</span> <span word="of">of</span> <span word="laughter">laughter</span>. <span word="Some">Some</span> <span word="of">of</span> <span word="the">the</span> <span word="recordings">recordings</span> <span word="were">were</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="spontaneous">spontaneous</span> <span word="laughs">laughs</span>, <span word="while">while</span> <span word="others">others</span> <span word="were">were</span> <span word="made">made</span> <span word="by">by</span> <span word="people">people</span> <span word="who">who</span> <span word="were">were</span> <span word="asked">asked</span> <span word="to">to</span> <span word="laugh">laugh</span> <span word="on">on</span> <span word="command">command</span>.</p><p>在这项研究中，来自21个国家的884人随机听取了一些笑声的录音片段。有些录音里是自发的笑声，而有的则是人们被要求录下的。</p>
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