老外在中国：你听过快乐宝宝歌吗？
<p>富国并不比穷国幸福。根据盖洛普2017年发布的全球幸福体验指数，贫穷的南美国家巴拉圭位居榜首。89%的巴拉圭人说:“他们经历了很多快乐，经常开怀地笑，休息的很好并且能够得到尊重。”而只有79%的美国人和75%的中国人表达了同样的观点。</p><p><span word="By">By</span> <span word="David">David</span> <span word="Blair">Blair</span></p><p><span word="I">I</span> <span word="recently">recently</span> <span word="stumbled">stumbled</span> <span word="on">on</span> <span word="a">a</span> <span word="youtube">youtube</span> <span word="video">video</span> <span word="of">of</span> "<span word="The">The</span> <span word="Happy">Happy</span> <span word="Baby">Baby</span> <span word="Song">Song</span>." <span word="Caspar">Caspar</span> <span word="Addyman">Addyman</span> <span word="and">and</span> <span word="Lauren">Lauren</span> <span word="Stewart">Stewart</span>, <span word="both">both</span> <span word="psychologists">psychologists</span> <span word="at">at</span> <span word="Goldsmiths">Goldsmiths</span>, <span word="University">University</span> <span word="of">of</span> <span word="London">London</span>, <span word="used">used</span> <span word="babies">babies</span>' <span word="brainwaves">brainwaves</span> <span word="to">to</span> <span word="find">find</span> <span word="out">out</span> <span word="what">what</span> <span word="kinds">kinds</span> <span word="of">of</span> <span word="sounds">sounds</span> <span word="make">make</span> <span word="them">them</span> <span word="happy">happy</span>. <span word="They">They</span> <span word="like">like</span>, <span word="for">for</span> <span word="example">example</span>, <span word="words">words</span> <span word="that">that</span> <span word="start">start</span> <span word="with">with</span> <span word="the">the</span> <span word="letters">letters</span> "<span word="P">P</span>" <span word="and">and</span> "<span word="B">B</span>", <span word="but">but</span> <span word="not">not</span> <span word="with">with</span> "<span word="L">L</span>". <span word="They">They</span> <span word="like">like</span> <span word="the">the</span> <span word="pitch">pitch</span> <span word="to">to</span> <span word="be">be</span> <span word="in">in</span> <span word="the">the</span> <span word="range">range</span> <span word="of">of</span> <span word="a">a</span> <span word="female">female</span> <span word="human">human</span> <span word="voice">voice</span>, <span word="with">with</span> <span word="fast">fast</span> <span word="tempos">tempos</span>. <span word="Grammy">Grammy</span> <span word="award">award</span> <span word="winning">winning</span> <span word="songwriter">songwriter</span> <span word="Imogen">Imogen</span> <span word="Heap">Heap</span> <span word="used">used</span> <span word="this">this</span> <span word="research">research</span> <span word="to">to</span> <span word="write">write</span> <span word="a">a</span> <span word="song">song</span> <span word="designed">designed</span> <span word="to">to</span> <span word="make">make</span> <span word="babies">babies</span> <span word="happy">happy</span>.</p><p>我最近偶然在<span word="YouTube">YouTube</span>上发现了《快乐宝贝歌》的视频。伦敦大学金史密斯学院的两位心理学家卡斯帕•阿迪曼和劳伦•斯图尔特通过婴儿的脑电波找出让婴儿们开心的音乐。比如，宝宝们喜欢以字母“<span word="P">P</span>”和“<span word="B">B</span>”开头的单词，而以字母“<span word="L">L</span>”开头的单词不那么受他们青睐。宝宝们喜欢快节奏的女性音调。格莱美奖得主、作曲家伊莫金•希普利用这项研究创作了一首旨在让宝宝快乐的歌曲。</p><p><span word="It">It</span> <span word="worked">worked</span>. <span word="All">All</span> <span word="the">the</span> <span word="babies">babies</span> <span word="in">in</span> <span word="the">the</span> <span word="video">video</span> <span word="started">started</span> <span word="laughing">laughing</span> <span word="on">on</span> <span word="hearing">hearing</span> <span word="the">the</span> <span word="song">song</span>.</p>
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