狗狗能看出你是生气还是快乐
<p><span word="Research">Research</span> <span word="is">is</span> <span word="now">now</span> <span word="suggesting">suggesting</span> <span word="something">something</span> <span word="dog">dog</span>-<span word="lovers">lovers</span> <span word="have">have</span> <span word="long">long</span> <span word="suspected">suspected</span> - <span word="man">man</span>'<span word="s">s</span> <span word="best">best</span> <span word="friend">friend</span> <span word="can">can</span> <span word="tell">tell</span> <span word="the">the</span> <span word="difference">difference</span> <span word="between">between</span> <span word="our">our</span> <span word="happy">happy</span> <span word="and">and</span> <span word="angry">angry</span> <span word="faces">faces</span>.</p><p>“狗奴”们一直怀疑对汪星人——人类最好的朋友——能够分辨我们快乐和生气的表情，日前一项研究认同了这一点。</p><p><span word="Scientists">Scientists</span> <span word="at">at</span> <span word="the">the</span> <span word="Messerli">Messerli</span> <span word="Research">Research</span> <span word="Institute">Institute</span>'<span word="s">s</span> <span word="Clever">Clever</span> <span word="Dog">Dog</span> <span word="Lab">Lab</span> <span word="in">in</span> <span word="Vienna">Vienna</span> <span word="trained">trained</span> <span word="dogs">dogs</span> <span word="to">to</span> <span word="associate">associate</span> <span word="pictures">pictures</span> <span word="of">of</span> <span word="happy">happy</span> <span word="or">or</span> <span word="angry">angry</span> <span word="faces">faces</span> <span word="with">with</span> <span word="a">a</span> <span word="reward">reward</span>.</p><p>维也纳梅瑟利研究所“聪明狗狗”实验室（<span word="Messerli">Messerli</span> <span word="Research">Research</span> <span word="Institute">Institute</span>'<span word="s">s</span> <span word="Clever">Clever</span> <span word="Dog">Dog</span> <span word="Lab">Lab</span>）的科学家们，训练狗狗将笑脸或怒容的图片与奖励联系在一起。</p><p><span word="In">In</span> <span word="a">a</span> <span word="subsequent">subsequent</span> <span word="test">test</span>, <span word="the">the</span> <span word="scientists">scientists</span> <span word="showed">showed</span> <span word="the">the</span> <span word="dogs">dogs</span> <span word="images">images</span> <span word="of">of</span> <span word="human">human</span> <span word="faces">faces</span> <span word="they">they</span> <span word="had">had</span> <span word="not">not</span> <span word="seen">seen</span> <span word="in">in</span> <span word="their">their</span> <span word="training">training</span>.</p><p>在接下来的测试中，科学家们给狗狗展示了一组它们在训练中从未见过的人脸图像。</p><p><span word="This">This</span> <span word="suggested">suggested</span> <span word="that">that</span> <span word="dogs">dogs</span> <span word="could">could</span> <span word="spot">spot</span> <span word="the">the</span> <span word="difference">difference</span> <span word="between">between</span> <span word="the">the</span> <span word="expressions">expressions</span>.</p><p>测试表明狗可以分辨出表情的不同。</p><p>"<span word="The">The</span> <span word="main">main</span> <span word="focus">focus</span> [<span word="of">of</span> <span word="our">our</span> <span word="research">research</span>] <span word="is">is</span> <span word="the">the</span> <span word="big">big</span> <span word="question">question</span> <span word="of">of</span> <span word="communication">communication</span>," <span word="lead">lead</span> <span word="researcher">researcher</span> <span word="Prof">Prof</span> <span word="Ludwig">Ludwig</span> <span word="Huber">Huber</span> <span word="said">said</span>.</p><p>“（我们研究的）重点在于“交流”这个重大问题，”研究小组负责人路德维格·胡贝尔（<span word="Ludwig">Ludwig</span> <span word="Huber">Huber</span>）教授说。</p><p>"<span word="How">How</span> <span word="is">is</span> <span word="it">it</span> <span word="that">that</span> <span word="dogs">dogs</span> <span word="are">are</span> <span word="so">so</span> <span word="adapted">adapted</span> <span word="to">to</span> <span word="humans">humans</span>, <span word="and">and</span> <span word="what">what</span>'<span word="s">s</span> <span word="happened">happened</span> <span word="during">during</span> <span word="the">the</span> <span word="process">process</span> <span word="of">of</span> <span word="domestication">domestication</span>?"</p><p>“狗是如何适应与人类亲密相处的？在驯养过程中发生了什么？”</p>
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