狗可以看懂人类表情 辨别高兴与生气
<p><span word="Science">Science</span> <span word="is">is</span> <span word="proving">proving</span> <span word="what">what</span> <span word="pet">pet</span> <span word="owners">owners</span> <span word="have">have</span> <span word="long">long</span> <span word="believed">believed</span>: <span word="Dogs">Dogs</span> <span word="understand">understand</span> <span word="what">what</span> <span word="we">we</span>'<span word="re">re</span> <span word="feeling">feeling</span>. <span word="Specifically">Specifically</span>, <span word="dogs">dogs</span> <span word="can">can</span> <span word="recognize">recognize</span> <span word="the">the</span> <span word="difference">difference</span> <span word="between">between</span> <span word="a">a</span> <span word="happy">happy</span> <span word="and">and</span> <span word="an">an</span> <span word="angry">angry</span> <span word="human">human</span> <span word="face">face</span>, <span word="a">a</span> <span word="study">study</span> <span word="published">published</span> <span word="Thursday">Thursday</span> <span word="in">in</span> <span word="Current">Current</span> <span word="Biology">Biology</span> <span word="suggests">suggests</span>.</p><p>在《当代生物学》杂志上刊登的一篇研究表明，科学证明了宠物主人一直坚信的观点：狗能够读懂我们的心情。尤其是，狗能够辨别人面部表情高兴与生气之间的区别。</p><p><span word="It">It</span>'<span word="s">s</span> <span word="the">the</span> <span word="first">first</span> <span word="research">research</span> <span word="to">to</span> <span word="show">show</span> <span word="definitively">definitively</span> <span word="that">that</span> <span word="dogs">dogs</span> <span word="are">are</span> <span word="sensitive">sensitive</span> <span word="to">to</span> <span word="our">our</span> <span word="facial">facial</span> <span word="expressions">expressions</span>, <span word="says">says</span> <span word="coauthor">coauthor</span> <span word="Ludwig">Ludwig</span> <span word="Huber">Huber</span>, <span word="head">head</span> <span word="of">of</span> <span word="comparative">comparative</span> <span word="cognition">cognition</span> <span word="at">at</span> <span word="Messerli">Messerli</span> <span word="Research">Research</span> <span word="Institute">Institute</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Veterinary">Veterinary</span> <span word="Medicine">Medicine</span>, <span word="Vienna">Vienna</span>.</p><p>维也纳兽医大学梅瑟利研究所负责人、也是合著者之一的路德维希·休伯说，这是第一个完全表明狗对我们的面部表情很敏感的研究。</p><p><span word="In">In</span> <span word="the">the</span> <span word="Austrian">Austrian</span> <span word="study">study</span>, 20 <span word="pet">pet</span> <span word="dogs">dogs</span> <span word="of">of</span> <span word="various">various</span> <span word="breeds">breeds</span> <span word="and">and</span> <span word="sizes">sizes</span> <span word="were">were</span> <span word="taught">taught</span> <span word="to">to</span> <span word="play">play</span> <span word="a">a</span> <span word="computer">computer</span> <span word="game">game</span> <span word="through">through</span> <span word="a">a</span> <span word="series">series</span> <span word="of">of</span> <span word="exercises">exercises</span>. <span word="In">In</span> <span word="the">the</span> <span word="first">first</span>, <span word="the">the</span> <span word="dogs">dogs</span> <span word="were">were</span> <span word="shown">shown</span> <span word="two">two</span> <span word="touch">touch</span> <span word="screens">screens</span>, <span word="one">one</span> <span word="with">with</span> <span word="a">a</span> <span word="circle">circle</span> <span word="and">and</span> <span word="one">one</span> <span word="with">with</span> <span word="a">a</span> <span word="square">square</span>. <span word="Through">Through</span> <span word="trial">trial</span> <span word="and">and</span> <span word="error">error</span>, <span word="they">they</span> <span word="learned">learned</span> <span word="that">that</span> <span word="a">a</span> <span word="treat">treat</span> <span word="would">would</span> <span word="appear">appear</span> <span word="if">if</span> <span word="they">they</span> <span word="chose">chose</span> <span word="the">the</span> <span word="right">right</span> <span word="geometrical">geometrical</span> <span word="figure">figure</span>.</p><p>在奥地利的研究中，通过训练，让20只不同品种和大小的宠物狗来玩一种电脑游戏。期初，给狗展示两个触摸屏，一个是圆圈，一个是正方形。通过反复试验，它们知道，如果他们选择正确的几何图形，就会有奖励。</p>
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