2015考研英语暑假阅读以免我们忘记或让我们记住
<p> <span word="Lest">Lest</span> <span word="We">We</span> <span word="Forget">Forget</span> <span word="or">or</span> <span word="Lest">Lest</span> <span word="We">We</span> <span word="Remember">Remember</span>?</p><p> <span word="People">People</span> <span word="remember">remember</span> <span word="emotionally">emotionally</span> <span word="charged">charged</span> <span word="events">events</span> <span word="more">more</span> <span word="easily">easily</span> <span word="than">than</span> <span word="they">they</span> <span word="recall">recall</span> <span word="the">the</span> <span word="quotidian">quotidian</span>. <span word="A">A</span> <span word="sexual">sexual</span> <span word="encounter">encounter</span> <span word="trumps">trumps</span> <span word="doing">doing</span> <span word="the">the</span> <span word="grocery">grocery</span> <span word="shopping">shopping</span>. <span word="A">A</span> <span word="mugging">mugging</span> <span word="trumps">trumps</span> <span word="a">a</span> <span word="journey">journey</span> <span word="to">to</span> <span word="work">work</span>. <span word="Witnessing">Witnessing</span> <span word="a">a</span> <span word="massacre">massacre</span> <span word="trumps">trumps</span> <span word="pretty">pretty</span> <span word="well">well</span> <span word="anything">anything</span> <span word="you">you</span> <span word="can">can</span> <span word="imagine">imagine</span>.</p><p> <span word="That">That</span> <span word="is">is</span> <span word="hardly">hardly</span> <span word="surprising">surprising</span>. <span word="Rare">Rare</span> <span word="events">events</span> <span word="that">that</span> <span word="might">might</span> <span word="have">have</span> <span word="an">an</span> <span word="impact">impact</span> <span word="on">on</span> <span word="an">an</span> <span word="individual">individual</span> <span word="s">s</span> <span word="survival">survival</span> <span word="or">or</span> <span word="reproduction">reproduction</span> <span word="should">should</span> <span word="have">have</span> <span word="a">a</span> <span word="special">special</span> <span word="fast">fast</span> <span word="lane">lane</span> <span word="into">into</span> <span word="the">the</span> <span word="memory">memory</span> <span word="bank">bank</span>-<span word="and">and</span> <span word="they">they</span> <span word="do">do</span>. <span word="It">It</span> <span word="is">is</span> <span word="called">called</span> <span word="the">the</span> <span word="a">a</span>2<span word="b">b</span>-<span word="adrenoceptor">adrenoceptor</span>, <span word="and">and</span> <span word="it">it</span> <span word="is">is</span> <span word="found">found</span> <span word="in">in</span> <span word="the">the</span> <span word="amygdala">amygdala</span>, <span word="a">a</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="brain">brain</span> <span word="involved">involved</span> <span word="in">in</span> <span word="processing">processing</span> <span word="strong">strong</span> <span word="emotions">emotions</span> <span word="such">such</span> <span word="as">as</span> <span word="fear">fear</span>. <span word="The">The</span> <span word="role">role</span> <span word="of">of</span> <span word="the">the</span> 2<span word="b">b</span>-<span word="adrenoceptor">adrenoceptor</span> <span word="is">is</span> <span word="to">to</span> <span word="promote">promote</span> <span word="memory">memory</span> <span word="formation">formation</span>-<span word="but">but</span> <span word="only">only</span> <span word="if">if</span> <span word="it">it</span> <span word="is">is</span> <span word="stimulated">stimulated</span> <span word="by">by</span> <span word="adrenaline">adrenaline</span>. <span word="Since">Since</span> <span word="emotionally">emotionally</span> <span word="charged">charged</span> <span word="events">events</span> <span word="are">are</span> <span word="often">often</span> <span word="accompanied">accompanied</span> <span word="by">by</span> <span word="adrenaline">adrenaline</span> <span word="secretion">secretion</span>, <span word="the">the</span> 2<span word="b">b</span>-<span word="adrenoceptor">adrenoceptor</span> <span word="acts">acts</span> <span word="as">as</span> <span word="a">a</span> <span word="gatekeeper">gatekeeper</span> <span word="that">that</span> <span word="decides">decides</span> <span word="what">what</span> <span word="will">will</span> <span word="be">be</span> <span word="remembered">remembered</span> <span word="and">and</span> <span word="what">what</span> <span word="discarded">discarded</span>.</p><p> <span word="However">However</span>, <span word="the">the</span> <span word="gene">gene</span> <span word="that">that</span> <span word="encodes">encodes</span> <span word="this">this</span> <span word="receptor">receptor</span> <span word="comes">comes</span> <span word="in">in</span> <span word="two">two</span> <span word="varieties">varieties</span>. <span word="That">That</span> <span word="led">led</span> <span word="Dominique">Dominique</span> <span word="de">de</span> <span word="Quervain">Quervain</span>, <span word="of">of</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Zurich">Zurich</span>, <span word="to">to</span> <span word="wonder">wonder</span> <span word="if">if</span> <span word="people">people</span> <span word="with">with</span> <span word="one">one</span> <span word="variant">variant</span> <span word="would">would</span> <span word="have">have</span> <span word="better">better</span> <span word="emotional">emotional</span> <span word="memories">memories</span> <span word="than">than</span> <span word="those">those</span> <span word="with">with</span> <span word="the">the</span> <span word="other">other</span>. <span word="The">The</span> <span word="short">short</span> <span word="answer">answer</span>, <span word="just">just</span> <span word="published">published</span> <span word="in">in</span> <span word="Nature">Nature</span> <span word="Neuroscience">Neuroscience</span>, <span word="is">is</span> <span word="that">that</span> <span word="they">they</span> <span word="do">do</span>. <span word="Moreover">Moreover</span>, <span word="since">since</span> <span word="the">the</span> <span word="frequencies">frequencies</span> <span word="of">of</span> <span word="the">the</span> <span word="two">two</span> <span word="variants">variants</span> <span word="are">are</span> <span word="different">different</span> <span word="in">in</span> <span word="different">different</span> <span word="groups">groups</span> <span word="of">of</span> <span word="people">people</span>, <span word="whole">whole</span> <span word="populations">populations</span> <span word="may">may</span> <span word="have">have</span> <span word="different">different</span> <span word="mixtures">mixtures</span> <span word="of">of</span> <span word="emotional">emotional</span> <span word="memory">memory</span>.</p><p> <span word="The">The</span> <span word="reason">reason</span> <span word="Dr">Dr</span> <span word="de">de</span> <span word="Quervain">Quervain</span> <span word="suspected">suspected</span> <span word="the">the</span> <span word="variants">variants</span> <span word="might">might</span> <span word="work">work</span> <span word="differently">differently</span> <span word="is">is</span> <span word="that">that</span> <span word="the">the</span> <span word="rarer">rarer</span> <span word="one">one</span> <span word="looks">looks</span> <span word="like">like</span> <span word="the">the</span> <span word="commoner">commoner</span> <span word="one">one</span> <span word="when">when</span> <span word="the">the</span> <span word="latter">latter</span> <span word="has">has</span> <span word="a">a</span> <span word="memory">memory</span>-<span word="enhancing">enhancing</span> <span word="drug">drug</span> <span word="called">called</span> <span word="yohimbine">yohimbine</span> <span word="attached">attached</span> <span word="to">to</span> <span word="it">it</span>. <span word="His">His</span> <span word="prediction">prediction</span>, <span word="therefore">therefore</span>, <span word="was">was</span> <span word="that">that</span> <span word="better">better</span> <span word="emotional">emotional</span> <span word="memory">memory</span> <span word="would">would</span> <span word="be">be</span> <span word="associated">associated</span> <span word="with">with</span> <span word="the">the</span> <span word="rarer">rarer</span> <span word="version">version</span>.</p>
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