TED英語(yǔ)演講稿：我們?yōu)槭裁纯鞓?lè)

———TED英語(yǔ)演講稿：我們?yōu)槭裁礆g樂(lè)下面是我為大家整理后的TED英語(yǔ)演講稿：我們?yōu)槭裁礆g樂(lè)？?jī)H供大家參考借鑒，希望大家喜愛(ài)!感謝網(wǎng)友“阿瑟”向本站投稿了19篇與“TED英語(yǔ)演講稿：我們?yōu)槭裁礆g樂(lè)？”相關(guān)的素材。篇2：TED英語(yǔ)演講稿篇6：經(jīng)典TED英語(yǔ)演講稿篇9：TED英語(yǔ)演講稿篇16：ted英語(yǔ)演講稿篇18：TED英語(yǔ)演講稿：我們?yōu)槭裁匆X(jué)TED英語(yǔ)演講稿：我們?yōu)槭裁匆X(jué)簡(jiǎn)介：一生中，我們有三分之一的`時(shí)間都在睡眠中度過(guò)，關(guān)于睡眠，你又了解多少？睡眠專家RussellFoster為我們解答為什么要睡覺(jué)，以及睡眠對(duì)健康的影響。WhatIdliketodotodayistalkaboutoneofmyfavoritesubjects,andthatistheneuroscienceofsleep.Now,thereisasound——（Alarmclock）——aah,itworked——asoundthatisdesperately,desperatelyfamiliartomostofus,andofcourseitsthesoundofthealarmclock.Andwhatthattrulyghastly,awfulsounddoesisstopthesinglemostimportantbehavioralexperiencethatwehave,andthatssleep.Ifyoureanaveragesortofperson,36percentofyourlifewillbespentasleep,whichmeansthatifyouliveto90,then32yearswillhavebeenspententirelyasleep.Nowwhatthat32yearsistellingusisthatsleepatsomelevelisimportant.Andyet,formostofus,wedontgivesleepasecondthought.Wethrowitaway.Wereallyjustdontthinkaboutsleep.AndsowhatIdliketodotodayischangeyourviews,changeyourideasandyourthoughtsaboutsleep.AndthejourneythatIwanttotakeyouon,weneedtostartbygoingbackintime.“Enjoythehoney—heavydewofslumber.”Anyideaswhosaidthat？ShakespearesJuliusCaesar.Yes,letmegiveyouafewmorequotes.“Osleep,Ogentlesleep,naturessoftnurse,howhaveIfrightedthee？”Shakespeareagain,from——Iwontsayit——theScottishplay.[Correction:HenryIV,Part2]（Laughter）Fromthesametime:“Sleepisthegoldenchainthattieshealthandourbodiestogether.”Extremelyprophetic,byThomasDekker,anotherElizabethandramatist.Butifwejumpforward400years,thetoneaboutsleepchangessomewhat.ThisisfromThomasEdison,fromthebeginningofthe20thcentury.“Sleepisacriminalwasteoftimeandaheritagefromourcavedays.”Bang.（Laughter）Andifwealsojumpintothe1980s,someofyoumayrememberthatMargaretThatcherwasreportedtohavesaid,“Sleepisforwimps.”Andofcoursetheinfamous——whatwashisname？——theinfamousGordonGekkofrom“WallStreet”said,“Moneyneversleeps.”Whatdowedointhe20thcenturyaboutsleep？Well,ofcourse,weuseThomasEdisonslightbulbtoinvadethenight,andweoccupiedthedark,andintheprocessofthisoccupation,wevetreatedsleepasanillness,almost.Wevetreateditasanenemy.Atmostnow,Isuppose,wetoleratetheneedforsleep,andatworstperhapsmanyofusthinkofsleepasanillnessthatneedssomesortofacure.Andourignoranceaboutsleepisreallyquiteprofound.Whyisit？Whydoweabandonsleepinourthoughts？Well,itsbecauseyoudontdoanythingmuchwhileyoureasleep,itseems.Youdonteat.Youdontdrink.Andyoudonthavesex.Well,mostofusanyway.Andsothereforeits——Sorry.Itsacompletewasteoftime,right？Wrong.Actually,sleepisanincrediblyimportantpartofourbiology,andneuroscientistsarebeginningtoexplainwhyitssoveryimportant.Soletsmovetothebrain.Now,herewehaveabrain.Thisisdonatedbyasocialscientist,andtheysaidtheydidntknowwhatitwas,orindeedhowtouseit,so——（Laughter）Sorry.SoIborrowedit.Idontthinktheynoticed.Okay.（Laughter）ThepointImtryingtomakeisthatwhenyoureasleep,thisthingdoesntshutdown.Infact,someareasofthebrainareactuallymoreactiveduringthesleepstatethanduringthewakestate.Theotherthingthatsreallyimportantaboutsleepisthatitdoesntarisefromasinglestructurewithinthebrain,butistosomeextentanetworkproperty,andifweflipthebrainonitsback——Ilovethislittlebitofspinalcordhere——thisbithereisthehypothalamus,andrightunderthereisawholeraftofinterestingstructures,notleastthebiologicalclock.Thebiologicalclocktellsuswhenitsgoodtobeup,whenitsgoodtobeasleep,andwhatthatstructuredoesisinteractwithawholeraftofotherareaswithinthehypothalamus,thelateralhypothalamus,theventrolateralpreopticnuclei.Allofthosecombine,andtheysendprojectionsdowntothebrainstemhere.Thebrainstemthenprojectsforwardandbathesthecortex,thiswonderfullywrinklybitoverhere,withneurotransmittersthatkeepusawakeandessentiallyprovideuswithourconsciousness.Sosleeparisesfromawholeraftofdifferentinteractionswithinthebrain,andessentially,sleepisturnedonandoffasaresultofarangeofOkay.Sowherehavewegotto？Wevesaidthatsleepiscomplicatedandittakes32yearsofourlife.ButwhatIhaventexplainediswhatsleepisabout.Sowhydowesleep？Anditwontsurpriseanyofyouthat,ofcourse,thescientists,wedonthaveaconsensus.Therearedozensofdifferentideasaboutwhywesleep,andImgoingtooutlinethreeofthose.篇19：TED英語(yǔ)演講稿：我們?cè)诮瞪皩W(xué)到了什么TED英語(yǔ)演講稿：我們?cè)诮瞪皩W(xué)到了什么Mysubjecttodayislearning.Andinthatspirit,Iwanttospringonyouallapopquiz.Ready？Whendoeslearningbegin？Nowasyouponderthatquestion,maybeyourethinkingaboutthefirstdayofpreschoolorkindergarten,thefirsttimethatkidsareinaclassroomwithateacher.Ormaybeyouvecalledtomindthetoddlerphasewhenchildrenarelearninghowtowalkandtalkanduseafork.MaybeyouveencounteredtheZero—to—Threemovement,whichassertsthatthemostimportantyearsforlearningaretheearliestones.Andsoyouranswertomyquestionwouldbe:Learningbeginsatbirth.WelltodayIwanttopresenttoyouanideathatmaybesurprisingandmayevenseemimplausible,butwhichissupportedbythelatestevidencefrompsychologyandbiology.Andthatisthatsomeofthemostimportantlearningweeverdohappensbeforewereborn,whilewerestillinthewomb.NowImasciencereporter.Iwritebooksandmagazinearticles.AndImalsoamother.AndthosetworolescametogetherformeinabookthatIwrotecalled“Origins.”“Origins”isareportfromthefrontlinesofanexcitingnewfieldcalledfetalorigins.Fetaloriginsisascientificdisciplinethatemergedjustabouttwodecadesago,anditsbasedonthetheorythatourhealthandwell—beingthroughoutourlivesiscruciallyaffectedbytheninemonthswespendinthewomb.Nowthistheorywasofmorethanjustintellectualinteresttome.IwasmyselfpregnantwhileIwasdoingtheresearchforthebook.AndoneofthemostfascinatinginsightsItookfromthisworkisthatwerealllearningabouttheworldevenbeforeweenterit.Whenweholdourbabiesforthefirsttime,wemightimaginethattheyrecleanslates,unmarkedbylife,wheninfact,theyvealreadybeenshapedbyusandbytheparticularworldwelivein.TodayIwanttosharewithyousomeoftheamazingthingsthatscientistsarediscoveringaboutwhatfetuseslearnwhiletheyrestillintheirmothersbellies.Firstofall,theylearnthesoundoftheirmothersvoices.Becausesoundsfromtheoutsideworldhavetotravelthroughthemothersabdominaltissueandthroughtheamnioticfluidthatsurroundsthefetus,thevoicesfetuseshear,startingaroundthefourthmonthofgestation,aremutedandmuffled.OneresearchersaysthattheyprobablysoundalotlikethethevoiceofCharlieBrownsteacherintheold“Peanuts”cartoon.Butthepregnantwomansownvoicereverberatesthroughherbody,reachingthefetusmuchmorereadily.Andbecausethefetusiswithherallthetime,ithearshervoicealot.Oncethebabysborn,itrecognizeshervoiceanditpreferslisteningtohervoiceoveranyoneelses.Howcanweknowthis？Newbornbabiescantdomuch,butonethingtheyrereallygoodatissucking.Researcherstakeadvantageofthisfactbyrigginguptworubbernipples,sothatifababysucksonone,ithearsarecordingofitsmothersvoiceonapairofheadphones,andifitsucksontheothernipple,ithearsarecordingofafemalestrangersvoice.Babiesquicklyshowtheirpreferencebychoosingthefirstone.Scientistsalsotakeadvantageofthefactthatbabieswillslowdowntheirsuckingwhensomethingintereststhemandresumetheirfastsuckingwhentheygetbored.Thisishowresearchersdiscoveredthat,afterwomenrepeatedlyreadaloudasectionofDr.Seuss“TheCatintheHat”whiletheywerepregnant,theirnewbornbabiesrecognizedthatpassagewhentheyhearitoutsidethewomb.Myfavoriteexperimentofthiskindistheonethatshowedthatthebabiesofwomenwhowatchedacertainsoapoperaeverydayduringpregnancyrecognizedthethemesongofthatshowoncetheywereborn.Sofetusesareevenlearningabouttheparticularlanguagethatsspokenintheworldthattheyllbeborninto.Astudypublishedlastyearfoundthatfrombirth,fromthemomentofbirth,babiescryintheaccentoftheirmothersnativelanguage.FrenchbabiescryonarisingnotewhileGermanbabiesendonafallingnote,imitatingthemelodiccontoursofthoselanguages.Nowwhywouldthiskindoffetallearningbeuseful？Itmayhaveevolvedtoaidthebabyssurvival.Fromthemomentofbirth,thebabyrespondsmosttothevoiceofthepersonwhoismostlikelytocareforit——itsmother.Itevenmakesitscriessoundlikethemotherslanguage,whichmayfurtherendearthebabytothemot