为什么你会怕蛇,怕蜘蛛
<p><span word="If">If</span> <span word="the">the</span> <span word="thought">thought</span> <span word="of">of</span> <span word="a">a</span> <span word="snake">snake</span> <span word="slithering">slithering</span> <span word="around">around</span> <span word="your">your</span> <span word="feet">feet</span> <span word="or">or</span> <span word="a">a</span> <span word="spider">spider</span> <span word="walking">walking</span> <span word="up">up</span> <span word="your">your</span> <span word="arm">arm</span> <span word="sends">sends</span> <span word="shivers">shivers</span> <span word="down">down</span> <span word="your">your</span> <span word="spine">spine</span>, <span word="despite">despite</span> <span word="never">never</span> <span word="having">having</span> <span word="come">come</span> <span word="into">into</span> <span word="contact">contact</span> <span word="with">with</span> <span word="one">one</span> <span word="in">in</span> <span word="real">real</span> <span word="life">life</span>, <span word="then">then</span> <span word="it">it</span> <span word="could">could</span> <span word="be">be</span> <span word="your">your</span> <span word="genes">genes</span> <span word="that">that</span> <span word="are">are</span> <span word="to">to</span> <span word="blame">blame</span>. <span word="Over">Over</span> <span word="the">the</span> <span word="last">last</span> <span word="few">few</span> <span word="decades">decades</span> <span word="there">there</span> <span word="has">has</span> <span word="been">been</span> <span word="much">much</span> <span word="debate">debate</span> <span word="between">between</span> <span word="scientists">scientists</span> <span word="about">about</span> <span word="whether">whether</span> <span word="these">these</span> <span word="phobias">phobias</span> <span word="are">are</span> <span word="innate">innate</span> <span word="or">or</span> <span word="are">are</span> <span word="learned">learned</span> <span word="during">during</span> <span word="childhood">childhood</span>.</p><p>如果一想到蛇在你的脚边游动或是蜘蛛在你的胳膊上爬来爬去你就感到脊椎发凉（尽管在现实生活中你从未接触过），那这可能是基因作祟。过去几十年，科学家一直在争论：这些恐惧症究竟是天生的还是在儿童时期通过学习得到的？</p><p><span word="But">But</span> <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="has">has</span> <span word="discovered">discovered</span> <span word="that">that</span> <span word="it">it</span> <span word="is">is</span> <span word="in">in</span> <span word="fact">fact</span> <span word="hereditary">hereditary</span>, <span word="as">as</span> <span word="babies">babies</span> <span word="at">at</span> <span word="only">only</span> <span word="six">six</span> <span word="months">months</span> <span word="old">old</span> (<span word="long">long</span> <span word="before">before</span> <span word="they">they</span> <span word="have">have</span> <span word="had">had</span> <span word="a">a</span> <span word="chance">chance</span> <span word="to">to</span> <span word="learn">learn</span> <span word="about">about</span> <span word="the">the</span> <span word="dangers">dangers</span> <span word="of">of</span> <span word="spiders">spiders</span> <span word="and">and</span> <span word="snakes">snakes</span>) <span word="show">show</span> <span word="signs">signs</span> <span word="of">of</span> <span word="stress">stress</span> <span word="when">when</span> <span word="they">they</span> <span word="see">see</span> <span word="these">these</span> <span word="creatures">creatures</span>.</p><p>但一项新研究发现，事实上这是遗传得来的，6个月大的宝宝（早在他们有机会了解蛇和蜘蛛非常危险之前）在看到蛇或者蜘蛛时都会表现出压力。</p>
页:
[1]