花儿阅读预留文章40篇

《花儿阅读预留文章40篇》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、No.4.2.1.LTheevolutionofintelligenceamong　　earlylargemammalsofthegrasslands　　wasdueingreatmeasuretothe　　interactionbetweentwoecologically(5)synchronizedgroupsoftheseanimals,　　thehuntingcarnivoresandthe　　herbivoresthattheyhunted.The　　interactionresultingfromthe　　differencesbetweenpredatorandpre

2、y(10)ledtoageneralimprovementinbrain　　functions;however,certaincomponents　　ofintelligencewereimprovedfarmore　　thanothers.　　　Thekindofintelligencefavoredby(15)theinterplayofincreasinglysmarter　　catchersandincreasinglykeener　　escapersisdefinedbyattention-that　　aspectofmindcarryingconsciousness　　

3、forwardfromonemomenttothenext.It(20)rangesfromapassive,free-floating　　awarenesstoahighlyfocused,active　　fixation.Therangethroughthesestates　　ismediatedbythearousalsystem,a　　networkoftractsconvergingfrom(25)sensorysystemstointegratingcenters　　inthebrainstem.Fromthemorerelaxed　　tothemorevigorous

4、levels,sensitivity　　tonoveltyisincreased.Theorganismis　　moreawake,morevigilant;this(30)increasedvigilanceresultsinthe　　apprehensionofevermoresubtlesignals　　astheorganismbecomesmoresensitive　　toitssurroundings.Theprocessesof　　arousalandconcentrationgiveattention(35)itsdirection.Arousalisatfirst

5、　　general,withafloodingofimpulsesin　　thebrainstem;thengraduallythe　　activationischanneled.Thusbegins　　concentration,theholdingofconsistent(40)images.Onemeaningofintelligenceis　　thewayinwhichtheseimagesandother　　alertlysearchedinformationareusedin　　thecontextofpreviousexperience.　　Consciousness

6、linkspastattentionto(45)thepresentandpermitstheintegration　　ofdetailswithperceivedendsand　　purposes.　　　Theelementsofintelligenceandcon-　　sciousnesscometogethermarvelously(50)toproducedifferentstylesinpredator　　andprey.Herbivoresandcarnivores　　developdifferentkindsofattention　　relatedtoescaping

7、orchasing.Although　　inbothkindsofanimal,arousal(55)stimulatestheproductionofadrenaline　　andnorepinephrinebytheadrenal　　glands,theeffectinherbivoresis　　primarilyfear,whereasincarnivores　　theeffectisprimarilyaggression.For(60)both,arousal