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2021年雅思阅读模拟题16篇附答案

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2021年雅思阅读模拟题16篇附答案雅思阅读实战16篇(附答案)★HowtoincreasesalesPublishedonline:Nov9thFromTheEconomistprinteditionHowshopscanexploitpeople'sherdmentalitytoincreasesales1.ATRIPtothesupermarketmaynotseemlikeanexerciseinpsychologicalwarfare—butitis.Shopkeepersknowthatfillingastorewiththearomao...

2021年雅思阅读模拟题16篇附答案
雅思阅读实战16篇(附 答案 八年级地理上册填图题岩土工程勘察试题省略号的作用及举例应急救援安全知识车间5s试题及答案 )★HowtoincreasesalesPublishedonline:Nov9thFromTheEconomistprinteditionHowshopscanexploitpeople'sherdmentalitytoincreasesales1.ATRIPtothesupermarketmaynotseemlikeanexerciseinpsychologicalwarfare—butitis.Shopkeepersknowthatfillingastorewiththearomaoffreshlybakedbreadmakespeoplefeelhungryandpersuadesthemtobuymorefoodthantheyhadintended.Stockingthemostexpensiveproductsateyelevelmakesthemsellfasterthancheaperbutlessvisiblecompetitors.Nowresearchersareinvestigatinghow“swarmintelligence”(thatis,howants,beesoranysocialanimal,includinghumans,behaveinacrowd)canbeusedtoinfluencewhatpeoplebuy.2.AtarecentconferenceonthesimulationofadaptivebehaviourinRome,Zeeshan-ul-hassanUsmani,acomputerscientistfromtheFloridaInstituteofTechnology,describedanewwaytoincreaseimpulsebuyingusingthisphenomenon.Supermarketsalreadyencourageshopperstobuythingstheydidnotrealisetheywanted:forinstance,byplacingeverydayitemssuchasmilkandeggsatthebackofthestore,forcingshopperstowalkpastothertemptinggoodstoreachthem.MrUsmaniandRonaldoMenezes,alsooftheFloridaInstituteofTechnology,setouttoenhancethistendencytobuymorebyplayingontheherdinstinct.Theideaisthat,ifacertainproductisseentobepopular,shoppersarelikelytochooseittoo.Thechallengeistokeepcustomersinformedaboutwhatothersarebuying.3.Entersmart-carttechnology.InMrUsmani'ssupermarketeveryproducthasaradiofrequencyidentificationtag,asortofbarcodethatusesradiowavestotransmitinformation,andeverytrolleyhasascannerthatreadsthisinformationandrelaysittoacentralcomputer.Asacustomerwalkspastashelfofgoods,ascreenontheshelftellshimhowmanypeoplecurrentlyintheshophavechosenthatparticularproduct.Ifthenumberishigh,heismorelikelytoselectittoo.4.MrUsmani's“swarm-moves”modelappealstosupermarketsbecauseitincreasessaleswithouttheneedtogivepeoplediscounts.Anditgivesshoppersthesatisfactionofknowingthattheyboughtthe“right”product—thatis,theoneeveryoneelsebought.Themodelhasnotyetbeentestedwidelyintherealworld,mainlybecauseradiofrequencyidentificationtechnologyisnewandhasonlybeeninstalledexperimentallyinsomesupermarkets.ButMrUsmanisaysthatbothWal-MartinAmericaandTescoinBritainareinterestedinhiswork,andtestingwillgetunderwayinthespring.5.Anotherrecentstudyonthepowerofsocialinfluenceindicatesthatsalescould,indeed,beboostedinthisway.MatthewSalganikofColumbiaUniversityinNewYorkandhiscolleagueshavedescribedcreatinganartificialmusicmarketinwhichsome14,000peopledownloadedpreviouslyunknownsongs.Theresearchersfoundthatwhenpeoplecouldseethesongsrankedbyhowmanytimestheyhadbeendownloaded,theyfollowedthecrowd.Whenthesongswerenotorderedbyrank,butthenumberoftimestheyhadbeendownloadedwasdisplayed,theeffectofsocialinfluencewasstilltherebutwaslesspronounced.Peoplethusfollowtheherdwhenitiseasyforthemtodoso.6.InJapanachainofconvenienceshopscalledRanKingRanQueenhasbeenorderingitsproductsaccordingtosalesdatafromdepartmentstoresandresearchcompanies.Theshopssellonlythemostpopularitemsineachproductcategory,andtherankingsareupdatedweekly.Icosystem,acompanyinCambridge,Massachusetts,alsoaimstoexploitknowledgeofsocialnetworkingtoimprovesales.7.Andthepsychologythatworksinphysicalstoresisjustaspotentontheinternet.OnlineretailerssuchasAmazonareadeptattellingshopperswhichproductsarepopularwithlike-mindedconsumers.Evenintheprivacyofyourhome,youcanstillbepartoftheswarm.(644words)Questions1-6Completethesentencesbelowwithwordstakenfromthereadingpassage.UseNOMORETHANTHREEWORDSforeachanswer.1.Shopownersrealizethatthesmellof_______________canincreasesalesoffoodproducts.2.Inshops,productsshelvedatamorevisiblelevelsellbettereveniftheyaremore_______________.3.AccordingtoMr.Usmani,withtheuseof“swarmintelligence”phenomenon,anewmethodcanbeappliedtoencourage_______________.4.Onthewaytoeverydayitemsatthebackofthestore,shoppersmightbetemptedtobuy_______________.5.Ifthenumberofbuyersshownonthe_______________ishigh,othercustomerstendtofollowthem.6.Usingthe“swarm-moves”model,shopownersdonothavetogivecustomers_______________toincreasesales.Questions7-12Dothefollowingstatementsagreewiththeinformationgiveninthereadingpassage?Forquestions7-12writeYESifthestatementagreeswiththeinformationNOifthestatementcontraictstheinformationNOTGIVENifthereisnoinformationonthisinthepassage7.RadiofrequencyidentificationtechnologyhasbeeninstalledexperimentallyinbigsupermarketslikeWal-Mart.8.Peopletendtodownloadmoreunknownsongsthansongstheyarefamiliarwith.9.Songsrankedhighbythenumberoftimesbeingdownloadedarefavoredbycustomers.10.Peoplefollowtheotherstothesameextentwhetheritisconvenientornot.11.ItemssoldinsomeJapanesestoresaresimplychosenaccordingtothesalesdataofothershops.12.Swarmintelligencecanalsobeobservedineverydaylife.Answerkeys:1.答案:(freshlybaked)bread.(第1段第2行:Shoppersknowthatfillingastorewiththearomaoffreshlybakedbreadmakespeoplefeelhungryandpersuadesthemtobuymorefoodthantheyintended.)2.答案:expensive.(第1段第4行:Stockingthemostexpensiveproductsateyelevelmakesthemsellfasterthancheaperbutlessvisiblecompetitors.)3.答案:impulsebuying.(第2段第1句:AtarecentconferenceonthesimulationofadaptivebehaviourinRome,Zeeshan-ul-hassanUsmani,acomputerscientistfromtheFloridaInstituteofTechnology,describedanewwaytoincreaseimpulsebuyingusingthisphenomenon.)4.答案:other(tempting)goods/things/products.(第2段第2句:Supermarketsalreadyencourageshopperstobuythingstheydidnotrealisetheywanted:forinstance,byplacingeverydayitemssuchasmilkandeggsatthebackofthestore,forcingshopperstowalkpastothertemptinggoodstoreachthem.)5.答案:screen.(第3段第4行:Asacustomerwalkspastashelfofgoods,ascreenontheshelftellshimhowmanypeoplecurrentlyintheshophavechosenthatparticularproduct.Ifthenumberishigh,heismorelikelytoselectittoo.)6.答案:discounts.(第4段第第1句:MrUsmani’s“swarm-moves”modelappealstosupermarketsbecauseitincreasessaleswithouttheneedtogivepeoplediscounts.)7.答案:NO.(第4段第3、4句:Themodelhasnotyetbeentestedwidelyintherealworld,mainlybecauseradiofrequencyidentificationtechnologyisnewandhasonlybeeninstalledexperimentallyinsomesupermarkets.ButMrUsmanisaysthatbothWal-MartinAmericaanTescoinBritainareinterestdinhisworkd,andtestingwillgetunderwayinthespring.短语“getunderway”意思是“开始进行”,在Wal-Mart实验要等到春天才开始)8.答案:NOTGIVEN.(在文中没有提及该信息)9.答案:YES。(第5段第3句:Thereseachersfoundthatwhenpeoplecouldseethesongsrankedbyhowmanytimestheyhavebeendownloaded,theyfollowedthecrowd.)10.答案:NO。(第5段最后两句:Whenthesongsarenotorderedbyrank,butthenumberoftimestheyhadbeendownloadedwasdisplayed,theeffectofsocialinfluencewasstilltherebutwaslesspronounced.Peoplethusfollowtheherdwhenitiseasyforthemtodoso.pronounced词义是“明显、明显”)11.答案:YES。(第6段第1句:InJapanachainofconvenienceshopscalledRanKingRanQueenhasbeenorderingitsproductsaccordingtosalesdatafromdepartmentstoresandresearchcompanies.)12.答案:YES。(最后一段最后一句:Evenintheprivacyofyourhome,youcanstillbepartoftheswarm.home应当算是everydaylife一某些)RoguetheoryofsmellgetsaboostPublishedonline:6DecemberRoguetheoryofsmellgetsaboost1.Acontroversialtheoryofhowwesmell,whichclaimsthatourfinesenseofodourdependsonquantummechanics,hasbeengiventhethumbsupbyateamofphysicists.2.CalculationsbyresearchersatUniversityCollegeLondon(UCL)showthattheideathatwesmellodourmoleculesbysensingtheirmolecularvibrationsmakessenseintermsofthephysicsinvolved.3.That'sstillsomewayfromprovingthatthetheory,proposedinthemid-1990sbybiophysicistLucaTurin,iscorrect.Butitshouldmakeotherscientiststaketheideamoreseriously.4."Thisisabigstepforward,"saysTurin,whohasnowsetuphisownperfumecompanyFlexitralinVirginia.Hesaysthatsincehepublishedhistheory,"ithasbeenignoredratherthancriticized."5.Mostscientistshaveassumedthatoursenseofsmelldependsonreceptorsinthenosedetectingtheshapeofincomingmolecules,whichtriggersasignaltothebrain.Thismolecular'lockandkey'processisthoughttoliebehindawiderangeofthebody'sdetectionsystems:itishowsomepartsoftheimmunesystemrecogniseinvaders,forexample,andhowthetonguerecognizessometastes.6.ButTurinarguedthatsmelldoesn'tseemtofitthispictureverywell.Moleculesthatlookalmostidenticalcansmellverydifferent—suchasalcohols,whichsmelllikespirits,andthiols,whichsmelllikerotteneggs.Andmoleculeswithverydifferentstructurescansmellsimilar.Moststrikingly,somemoleculescansmelldifferent—toanimals,ifnotnecessarilytohumans—simplybecausetheycontaindifferentisotopes(atomsthatarechemicallyidenticalbuthaveadifferentmass).7.Turin'sexplanationforthesesmellyfactsinvokestheideathatthesmellsignalinolfactoryreceptorproteinsistriggerednotbyanodourmolecule'sshape,butbyitsvibrations,whichcanenourageanelectrontojumpbetweentwopartsofthereceptorinaquantum-mechanicalprocesscalledtunnelling.Thiselectronmovementcouldinitiatethesmellsignalbeingsenttothebrain.8.Thiswouldexplainwhyisotopescansmelldifferent:theirvibrationfrequenciesarechangediftheatomsareheavier.Turin'smechanism,saysMarshallStonehamoftheUCLteam,ismorelikeswipe-cardidentificationthanakeyfittingalock.9.Vibration-assistedelectrontunnellingcanundoubtedlyoccur—itisusedinanexperimentaltechniqueformeasuringmolecularvibrations."Thequestioniswhetherthisispossibleinthenose,"saysStoneham'scolleague,AndrewHorsfield.10.StonehamsaysthatwhenhefirstheardaboutTurin'sidea,whileTurinwashimselfbasedatUCL,"Ididn'tbelieveit".But,headds,"becauseitwasaninterestingidea,IthoughtIshouldproveitcouldn'twork.Ididsomesimplecalculations,andonlythenbegantofeelLucacouldberight."NowStonehamandhisco-workershavedonethejobmorethoroughly,inapapersoontobepublishedinPhysicalReviewLetters.11.TheUCLteamcalculatedtheratesofelectronhoppinginanosereceptorthathasanodorantmoleculeboundtoit.Thisratedependsonvariouspropertiesofthebiomolecularsystemthatarenotknown,buttheresearcherscouldestimatetheseparametersbasedontypicalvaluesformoleculesofthissort.12.Thekeyissueiswhetherthehoppingratewiththeodorantinplaceissignificantlygreaterthanthatwithoutit.Thecalculationsshowthatitis—whichmeansthatodouridentificationinthiswayseemstheoreticallypossible.13.ButHorsfieldstressesthatthat'sdifferentfromaproofofTurin'sidea."Sofarthingslookplausible,butweneedproperexperimentalverification.We'rebeginningtothinkaboutwhatexperimentscouldbeperformed."14.Meanwhile,Turinispressingaheadwithhishypothesis."AtFlexitralwehavebeendesigningodorantsexclusivelyonthebasisoftheircomputedvibrations,"hesays."Oursuccessrateatodorantdiscoveryistwoordersofmagnitudebetterthanthecompetition."Attheveryleast,heisputtinghismoneywherehisnoseis.(668wordsNature)Questions1-4Dothefollowingstatementsagreewiththeinformationgiveninthepassage?PleasewriteTRUEifthestatementagreeswiththewriterFALSEifthestatementdoesnotagreewiththewriterNOTGIVENifthereisnoinformationaboutthisinthepassage1.TheresultofthestudyatUCLagreeswithTurin’stheory.2.ThestudyatUCLcouldconclusivelyprovewhatLucaTurinhashypothesized.3.TurinlefthispostatUCLandstartedhisownbusinessbecausehistheorywasignored.4.Themoleculesofalcoholsandthoseofthiolslookalike.Questions5-9Completethesentencesbelowwithwordsfromthepassage.UseNOMORETHANTHREEWORDSforeachanswer.5.Thehypothesisthatwesmellbysensingthemolecularvibrationwasmadeby______.6.Turin’scompanyisbasedin______.7.Mostscientistsbelievedthatournoseworksinthesamewayasour______.8.Differentisotopescansmelldifferentwhen______weighdifferently.9.AccordingtoAudrewHorsfield,itisstilltobeprovedthat______couldreallyoccurinhumannose.Question10-12AnswerthequestionsbelowusingNOMORETHANTHREEWORDSfromthepassageforeachanswer.10.What’sthenameoftheresearcherwhocollaboratedwithStoneham?11.WhatisthenextstepoftheUCLteam’sstudy?12.WhatisthetheoreticalbasisindesigningodorantsinTurin’scompany?(byZhouHong)AnswerKeysandExplanations1.T见第一段。“givesththethumbsup”为“接受“意思。2.F见第三段。“That'sstillsomewayfromprovingthatthetheory,proposedinthemid-1990sbybiophysicistLucaTurin,iscorrect.”意即“当前尚无法证明生物物理学家Luca在九十年代中期提出理论与否对的。”3.NG4.T见第六段“Moleculesthatlookalmostidenticalcansmellverydifferent—suchasalcohols,whichsmelllikespirits,andthiols,whichsmelllikerotteneggs.”“identical”一词是“完全相似”意思。这句话是说alcohols和thiols分子构造看起来同样,但是它们味道却相去甚远。5.LucaTurin文章第二,三和七段均可看出Luca理论即人类鼻子是通过感觉气味分子震动来辨别气味。6.Virginia见第四段。7.tongue见第五段“Thismolecular'lockandkey'processisthoughttoliebehindawiderangeofthebody'sdetectionsystems:itishowsomepartsoftheimmunesystemrecogniseinvaders,forexample,andhowthetonguerecognizessometastes.”8.theatoms见第八段“Thiswouldexplainwhyisotopescansmelldifferent:theirvibrationfrequenciesarechangediftheatomsareheavier.”9.vibration-assistedelectrontunneling见第九段“"Thequestioniswhetherthisispossibleinthenose,"saysStoneham'scolleague,AndrewHorsfield.”句中代词“this”指句首“vibration-assistedelectrontunneling”。10.AndrewHorsfield见第九段结尾。11.properexperimentalverification见第十三段。12.theircomputedvibrations见第十四段。★Whydidapromisingheartdrugfail?Doomeddrughighlightscomplicationsofmeddlingwithcholesterol.1.Thefailureofahigh-profilecholesteroldrughasthrownaspotlightonthecomplicatedmachinerythatregulatescholesterollevels.Butmanyresearchersremainconfidentthatdrugstoboostlevelsof'good'cholesterolarestilloneofthemostpromisingmeanstocombatspirallingheartdisease.2.DrugcompanyPfizerannouncedon2Decemberthatitwascancellingallclinicaltrialsoftorcetrapib,adrugdesignedtoraiseheart-protectivehigh-densitylipoproteins(HDLs).Inatrialof15000patients,asafetyboardfoundthatmorepeoplediedorsufferedcardiovascularproblemsaftertakingthedrugplusacholesterol-loweringstatinthanthoseinacontrolgroupwhotookthestatinalone.3.Thenewscameasakickintheteethtomanycardiologistsbecauseearliertestsinanimalsandpeoplesuggesteditwouldlowerratesofcardiovasculardisease."Therehavebeennoredflagstomyknowledge,"saysJohnChapman,aspecialistinlipoproteinsandatherosclerosisattheNationalInstituteforHealthandMedicalResearch(INSERM)inPariswhohasalsostudiedtorcetrapib."Thiscancellationcameasacompleteshock."4.TorcetrapibisoneofthemostadvancedofanewbreedofdrugsdesignedtoraiselevelsofHDLs,whichferrycholesteroloutofartery-cloggingplaquestotheliverforremovalfromthebody.Specifically,torcetrapibblocksaproteincalledcholesterolestertransferprotein(CETP),whichnormallytransfersthecholesterolfromhigh-densitylipoproteinstolowdensity,plaque-promotingones.Statins,incontrast,mainlyworkbyloweringthe'bad'low-densitylipoproteins.Underpressure5.Researchersarenowtryingtoworkoutwhyandhowthedrugbackfired,somethingthatwillnotbecomeclearuntiltheclinicaldetailsarereleasedbyPfizer.Onehintliesinevidencefromearliertrialsthatitslightlyraisesbloodpressureinsomepatients.Itwasthoughtthatthismildproblemwouldbeoffsetbytheheartbenefitsofthedrug.Butitispossiblethatitactuallyprovedfatalinsomepatientswhoalreadysufferedhighbloodpressure.Ifbloodpressureistheexplanation,itwouldactuallybegoodnewsfordrugdevelopersbecauseitsuggeststhattheproblemsarespecifictothiscompound.OtherprototypedrugsthatarebeingdevelopedtoblockCETPworkinaslightlydifferentwayandmightnotsufferthesamedownfall.6.ButitisalsopossiblethatthewholeideaofblockingCETPisflawed,saysMotiKashyap,whodirectsatherosclerosisresearchattheVAMedicalCenterinLongBeach,California.WhenHDLsexcretecholesterolintheliver,theyactuallyrelyonLDLsforpartofthisprocess.SoinhibitingCETP,whichpreventsthetransferofcholesterolfromHDLtoLDL,mightactuallycauseanabnormalandirreversibleaccumulationofcholesterolinthebody."You'reblockingaphysiologicmechanismtoeliminatecholesterolandeffectivelyconstipatingthepathway,"saysKashyap.Goingup7.Mostresearchersremainconfidentthatelevatinghighdensitylipoproteinslevelsbyonemeansoranotherisoneofthebestroutesforhelpingheartdiseasepatients.ButHDLsarecomplexandnotentirelyunderstood.Oneapproveddrug,calledniacin,isknowntobothraiseHDLandreducecardiovascularriskbutalsocausesanunpleasantsensationofheatandtingling.Researchersareexploringwhethertheycanbypassthissideeffectandwhetherniacincanlowerdiseaseriskmorethanstatinsalone.Scientistsarealsoworkingonseveralothermeanstobumpuphigh-densitylipoproteinsby,forexample,introducingsyntheticHDLs."Theonlythingweknowisdeadinthewateristorcetrapib,notthewholeideaofraisingHDL,"saysMichaelMiller,directorofpreventivecardiologyattheUniversityofMarylandMedicalCenter,Baltimore.(613wordsnature)Questions1-7Thispassagehas7paragraphs1-7.Choosethecorrectheadingforeachparagraphfromthelistofheadingsbelow.Writethecorrectnumberi-ixinboxes1-7onyouranswersheet.ListofHeadingsi.Howdoestorcetrapibwork?ii.Contradictoryresultpriortothecurrenttrialiii.Onefailuremaypossiblybringaboutfuturesuccessiv.Thefailuredoesn’tleadtototallossofconfidencev.Itistherightroutetofollowvi.Whyit’sstoppedvii.Theymaycombineandtheoreticallyproduceidealresultviii.What’swrongwiththedrugix.ItmightbewrongatthefirstplaceExampleanswerParagraph1iv1.Paragraph22.Paragraph33.Paragraph44.Paragraph55.Paragraph66.Paragraph7Questions7-13Matchtorcetrapib,HDLs,statinandCETPwiththeirfunctions(Questions8-13)..WritethecorrectletterA,B,CorDinboxes8-13onyouranswersheet.NBYoumayuseanylettermorethanonce.7.Ithasbeenadministeredtoover10,000subjectsinaclinicaltrial.8.Itcouldhelpridhumanbodyofcholesterol.9.Researchersareyettofindmoreaboutit.10.Itwasusedtoreducethelevelofcholesterol.11.AccordingtoKashyap,itmightleadtounwantedresultifit’sblocked.12.Itproducedcontradictoryresultsindifferenttrials.13.ItcouldinhibitLDLs.ListofchoicesA.TorcetrapicB.HDLSC.StatinD.CETPSuggestedAnswersandExplanations1.vi2.ii3.vii本段简介了torcetrapib和statin治病原理,但是同步短语“incontrast”与之前第二段后半段内容呼应,暗示了这两种药在理论上能相辅相成,是抱负搭配。第一种选项无法涵盖整段意义,故选取i是错误。4.iii本段分析了也许导致torcetrapibl临床实验失败因素,后半段指出如果以上推测对的,那么将来药物可借鉴这个实验,设法避免torcetrapib缺陷,研制出有效药物。viii选项无法涵盖后半段意思。5.ix见首句。6.v7.A见第二段。题目中administer一词意为“用药”,subject一词为“实验对象”之意。8.B见第四段“…toraiselevelsofHDLs,whichferrycholesteroloutofartery-cloggingplaquestotheliverforremovalfromthebody.”即HDLs作用最后是将choleserol清除出人体:“…forremovalfromthebody”。9.B见第四段“ButHDLsarecomplexandnotentirelyunderstood.”10.C见第二段“…plusacholesterol-loweringstatin”,即statin是可以减少cholesterol。11.D见第六段“SoinhibitingCETP,…mightactuallycauseanabnormalandirreversibleaccumulationofcholesterolinthebody.12.A见第三段。13.C见第四段“Statins,incontrast,mainlyworkbyloweringthe'bad'low-densitylipoproteins.”★TheTriumphofUnreasonA.Neoclassicaleconomicsisbuiltontheassumptionthathumansarerationalbeingswhohaveaclearideaoftheirbestinterestsandstrivetoextractmaximumbenefit(or“utility”,ineconomist-speak)fromanysituation.Neoclassicaleconomicsassumesthattheprocessofdecision-makingisrational.Butthatcontradictsgrowingevidencethatdecision-makingdrawsontheemotions—evenwhenreasonisclearlyinvolved.B.Theroleofemotionsindecisionsmakesperfectsense.Forsituationsmetfrequentlyinthepast,suchasobtainingfoodandmates,andconfrontingorfleeingfromthreats,theneuralmechanismsrequiredtoweighuptheprosandconswillhavebeenhonedbyevolutiontoproduceanoptimaloutcome.Sinceemotionisthemechanismbywhichanimalsareproddedtowardssuchoutcomes,evolutionaryandeconomictheorypredictthesamepracticalconsequencesforutilityinthesecases.Butdoesthisstillapplywhentheancestralmachineryhastorespondtothestimuliofurbanmodernity?C.OneofthepeoplewhothinksthatitdoesnotisGeorgeLoewenstein,aneconomistatCarnegieMellonUniversity,inPittsburgh.Inparticular,hesuspectsthatmodernshoppinghassubvertedthedecision-makingmachineryinawaythatencouragespeopletorunupdebt.Toprovethepointhehasteamedupwithtwopsychologists,BrianKnutsonofStanfordUniversityandDrazenPrelecoftheMassachusettsInstituteofTechnology,tolookatwhathappensinthebrainwhenitisdecidingwhattobuy.D.Inastudy,thethreeresearchersasked26volunteerstodecidewhethertobuyaseriesofproductssuchasaboxofchocolatesoraDVDofthetelevisionshowthatwereflashedonacomputerscreenoneafteranother.Ineachroundofthetask,theresearchersfirstpresentedtheproductandthenitsprice,witheachsteplastingfourseconds.Inthefinalstage,whichalsolastedfourseconds,theyaskedthevolunteerstomakeuptheirminds.Whilethevolunteersweretakingpartintheexperiment,theresearchersscannedtheirbrainsusingatechniquecalledfunctionalmagneticresonanceimaging(fMRI).Thismeasuresbloodflowandoxygenconsumptioninthebrain,asanindicationofitsactivity.E.Theresearchersfoundthatdifferentpartsofthebrainwereinvolvedatdifferentstagesofthetest.Thenucleusaccumbenswasthemostactivepartwhenaproductwasbeingdisplayed.Moreover,thelevelofitsactivitycorrelatedwiththereporteddesirabilityoftheproductinquestion.F.Whenthepriceappeared,however,fMRIreportedmoreactivityinotherpartsofthebrain.Excessivelyhighpricesincreasedactivityintheinsularcortex,abrainregionlinkedtoexpectationsofpain,monetarylossandtheviewingofupsettingpictures.T
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