TED英语演讲稿：我们为什么快乐

———TED英语演讲稿：我们为什么欢乐下面是我为大家整理后的TED英语演讲稿：我们为什么欢乐？仅供大家参考借鉴，希望大家喜爱!感谢网友“阿瑟”向本站投稿了19篇与“TED英语演讲稿：我们为什么欢乐？”相关的素材。篇2：TED英语演讲稿篇6：经典TED英语演讲稿篇9：TED英语演讲稿篇16：ted英语演讲稿篇18：TED英语演讲稿：我们为什么要睡觉TED英语演讲稿：我们为什么要睡觉简介：一生中，我们有三分之一的`时间都在睡眠中度过，关于睡眠，你又了解多少？睡眠专家RussellFoster为我们解答为什么要睡觉，以及睡眠对健康的影响。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英语演讲稿：我们在降生前学到了什么TED英语演讲稿：我们在降生前学到了什么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