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ShouldAllDeafChildrenLearnSignLanguage?NancyK.Mellon,MS,JohnK.Niparko, ShouldAllDeafChildrenLearnSignLanguage?NancyK.Mellon,MS,JohnK.Niparko,

ShouldAllDeafChildrenLearnSignLanguage?NancyK.Mellon,MS,JohnK.Niparko, - PDF document

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ShouldAllDeafChildrenLearnSignLanguage?NancyK.Mellon,MS,JohnK.Niparko, - PPT Presentation

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ShouldAllDeafChildrenLearnSignLanguage?NancyK.Mellon,MS,JohnK.Niparko,MD,ChristianRathmann,PhD,GauravMathur,PhD,TomHumphries,PhDDonnaJoNapoli,PhD,TheresaHandley,BA,SashaScambler,PhD,JohnD.Lantos,MDabstract ETHICSROUNDSPEDIATRICSVolume136,number1,July2015 at National Institutes of Health Library on June 16, 2015pediatrics.aappublications.orgDownloaded from Diego;andDonnaJoNapoli,PhD,professoroflinguistics,andTheresaHandley,bothofSwarthmoreCollege.JohnD.LantosdirectstheChildrensMercyHospitalBioethicsCenter.Noneoftheauthorsisachildoradolescent.TheviewsofadolescentscanbefoundinChristiansians2014paper.Threeofourexpertsaredeafprofessionals.Threeofthemareparentsofprofoundlydeafchildren,2ofwhomhavebilateralCIs.Increatingthisarticle,theseexpertsreviewedeachotherscommentsandconsultedviaelectroniccommunication.THECASEAnewbornisidentiedashavingsensorineuraldeafness.Theparentshavenormalhearingandnoknowledgeofsignlanguage.Ahearingaidisnotmedicallyindicated.TheyhaveafewmonthstodecidewhethertooptforaCI.Inthemeantime,shouldtheylearnasignlanguageandbegintocommunicatewiththeirchildbyusingthatsignlanguage?IftheyeventuallyoptforaCI,shouldtheycontinuetosign?NANCYK.MELLON,MS,ANDJOHNK.NIPARKO,MD,COMMENTS:Parentsoftenviewthediagnosisofachildsdeafnessthroughaprismdeterminedbytheirownhearingstatus.Parentswhoaredeafmayviewthediagnosisthroughaculturallens,welcomingachildwhocaneasilysharetheirlanguageandculture.However,95%ofdeafchildrenareborntohearingparents.Hearingparentstypicallythinkofdeafnessasadisability.Theirviewsareshapedbytheirdesiretosharetheirownlanguageandculturewiththeirchild.Adeafchildborntohearingparentsandunabletogainmeaningfulspeechrecognitionfromhearingaidswilltypicallymeetthecriteriaforearlycochlearimplantation.TheUSFoodandDrugAdministrationapprovedthemultichannelCIforchildrenin1990.Almost100000childrenhaveusedCIssuccessfullytodevelopspokenlanguage.However,aCIcanenablestrongspokenlanguageonlywhenusedwithintensiveauditory-oralexposureinextended,salient,andchild-initiatedinteractions.Withoutafulllinguisticandauditoryexperience,theeffectsofdeafness-associateddeprivationcanderailthespokenlanguagelearningprocessbeforeitbegins.Thetimingofinterventioniscritical.Aninfantsnervoussystemisgeneticallypredisposedtoacceptonlyalimitedrangeofpotentialstimulitodrivethedevelopmentallearningoflanguage.Experiencesthatproducelanguageoccurinabiologicallyexpensive”periodinwhichneuralcircuitsareundecidedyetamenabletocommitment.Duringthissensitiveperiod,useofneuralcircuitsgeneratestheimpulsetrafcthatdifferentiatesneuraldevelopment.Ifachildmissestheneededexperienceswithinanoptimaltimeframe,essentialelementsinthatchildemergentlanguage,eitherspokenorsigned,maybemissing.ShouldaparentusesignlanguagewithayoungchildwhowillreceiveaCI?AsreviewedbyGeersetal,case-seriesreportsaremixedontheeffectsofsignlanguagebeforeimplantation.Wesuggestthatearlysignlanguage,whenusedforashorttimepreimplantasabridgetospokenlanguage,cannothurtandmaybecial.Earlyexperiencewithsignlanguagemaysupportachildparticipationinthekindofbidirectionalparentinteractionsthatformthefoundationoflanguagelearning,forexample,byenablingjointattention.However,animportantcaveatshouldbeconsidered.Theuseofanyresidualhearingshouldbemaximized.Datafromaprospective,nationaltrialinprogressindicatethatverballanguagelearnedbeforecochlearimplantationisassociatedwithacceleratedratesofspokenlanguagelearningafterimplantation.ForachildwhoreceivesaCI,thetimelyactivationofthedevicebeginsafullerexperiencewithsound.Relianceonsignlanguageoveranextendedperiodoftimemaynegativelyaffectthechildscapacitytolearnspokenlanguageaftercochlearimplantation.Prolonged,inadequateauditoryinputthatfailstosupportspokenlanguagelearningatage-appropriateratesisrelatedtogapsinspeechandlanguageaftercochlearimplantation.Importantly,evenextensiverehabilitativeeffortswillnotproducethelanguagesophisticationthatcanbeachievedbyexposuretospokenlanguageduringsensitiveperiodsofdevelopment.Achildsabilitytosuccessfullyacquirespokenlanguagerequiresaframeworkofrich,bidirectionalcommunicationwithlanguagementorsandimmersioninanorallanguageenvironment.BecausetheCIisdesignedtoequipachildwithskillstocommunicateinahearingworld,westronglyadvocateforeducationalprogramsthatallowchildrentoaccessthepragmaticsofspokenlanguageininteractionswiththeirhearingpeers.Althoughsignlanguagecanpromoteearlyparentchildcommunication,thefocusofinterventionshouldimmediatelyshifttohighlightingtheacousticpropertiesofspeechasconsistentlyaspossibleaftercochlearimplantationtooptimizeachildabilitytotalkandlisten.SASHASCAMBLER,PHD,COMMENTS:Iwriteasahearingparentofaprofoundlydeafchild.Iamalsoamedicalsociologist.Untilthelastfewdecades,therewerefewchoicestobemadebyhearingparentsofdeafchildren.Today,withCIsandwiththesuccessfulintroductionofnewbornhearingscreeningprograms,infantsarePEDIATRICSVolume136,number1,July2015 at National Institutes of Health Library on June 16, 2015pediatrics.aappublications.orgDownloaded from diagnosedwithintherstfewweeksoftheirlives,andtheycanreceiveaCIwellbeforetheirrstbirthday.IfparentsdecideaCIistheoptiontopursue,therstfewmonthsoftheslifearethenoccupiedwithtests,suitabilityassessments(forboththeparentsandchildren),andmedicalexaminations.Ifthechildisfoundtobeasuitablerecipient,theparentsthenfacethephenomenallycultdecisionaboutwhethertohavetheirchildundergoimplantationwiththeknowledgethatthereisnoguaranteethattheimplantwillworkorthatitwillresultinclear,intelligiblespeech.Parentsareaskedtodecidewhethertosubjecttheirchildtoalongoperationwithalloftheassociatedrisksandwithnoguaranteeofsuccess.Parentsarealsooftentoldthatitwouldbebestfortheirchildifthey,theparents,wouldlearnacompletelynew,alienlanguage.Signlanguageisclearlybenecialfordeafchildren,butfamiliesneedtimeandspacetoadjustandcometotermswitheverythingthatishappeningtothemandtotherealityofbeingtheparentsofadeafchild.AsthehearingparentofaprofoundlydeafsonwithbilateralCIs,thisissueisclosetomyheart.MysonhashadhisCIsfor5years.Hehasage-appropriateoral/aurallanguageskillsandattendsamainstreamprimaryschoolwithsupportfromaspecialistteacherforthedeaf.DespitehisCIsandspokenlanguageskills,heremainsdeafandalwayswillbe.Therearetimeswhenmysonisunabletowearhisimplantsorisunabletohearbecauseofexcessivebackgroundnoise.CIshavethesamelimitationsasotherarticialhearingdevices;theyworkbestincloserangewithlittlebackgroundnoise.Giventheselimitations,itisessentialthatwehaveameansofcommunicatingwithhim,andhewithus,whenhearingisnotanoption.Researchsuggeststhatspeechreading(lipreadingplusfacialexpression)canbeausefuladditionaltoolbutwillonlyresult,atbest,in60%accuracywithEnglishlanguage.AnalternativeformofcommunicationisthereforeSignlanguageisausefultoolforthefamilyofadeafchildregardlessofwhetherthechildisabletomakefulluseofCIs.Learningsignlanguageasahearingfamilyisnotwithoutproblems,however.OncethechildhashadhisorherCIactivated,thefamilywillbesurroundedbyprofessionalsgivingadviceonlanguagedevelopment,listeningskills,waystoprovidealanguage-richenvironment,andmethodsofmaximizingthepotentialofthetechnologythechildhasbeenprovidedwith.Fittingsigningintoanalreadyfullscheduleisdifcult.Thisadditionalresponsibilityisbeforemeetingtheneedsofotherchildrenwithinthefamilyaswellasonesownprofessionalandcareerobligations.Anotherimportantfactoristhatthelevelofsigningsupportavailabletofamiliesdependsontheareainwhichtheylive.Signlanguagelessonscanbeexpensiveifnosubsidiesareavailable.Signingclubscanalsobeintimidatingplacesforhearingfamilies.SomepeopleinthedeafcommunityareovertlyhostiletoCIWe,asafamily,areintheprocessoflearningsignlanguage.WeuseitinconjunctionwithspokenEnglish.Wechosethisapproachbecauseweneeditwhenoursonisnotwearinghisimplantsorisunabletohearcientlybecauseofbackgroundnoise.Wealsobelievethatitisimportantthathehasaccesstosignlanguageasadeafperson.WehaveadoptedtheapproachadvocatedbyPerierwhosuggestedthatdeafchildrenbegivenaccesstobothoral/auralandsignedlanguagetoenablethemtomaketheirownchoicewhenoldenoughtodoso.Thisstanceseemsentirelyreasonable,maximizingtheopportunitiesavailable.Itwould,therefore,seemreasonabletoencouragethefamilyofadeafchildtosignwiththeirchild.Itisessentialthatthesefamiliesaregiventhesupporttheyneedtodoso,however.Thissupportincludestimeandspacetopsychologicallyadjusttothenewworldinwhichtheyndthemselvesaswellaspracticaland/orWearewellawarethatCIsdonotgiveoursonnormalhearing.Wearealsoawarethatheworksconsiderablyharderthathishearingpeerstoaccesssoundandcommunicatebyusingoral/aurallanguage.Ultimately,hewillhavetochoosewhethertocontinuewithoral/aurallanguage,tousesignlanguage,ortouseacombinationofthe2approaches.Wehavetriedtogivehimthebestfoundationswithwhichtomakethatdecision.CHRISTIANRATHMANN,PHD,ANDGAURAVMATHUR,PHD,COMMENTS:Thereare3strongreasonstolearnbothsignedandwritten/spokenlanguage.First,aspeech-onlyapproachriskslinguisticdeprivationatacrucialperiodofdevelopment.TheriskarisesbecauseofthevariabilityinthespokenlanguagedevelopmentofdeafchildrenwhohaveCIs.Incontrast,bothsignlanguageandearlyreadingarevisuallyaccessibletothedeafchild.Thisbilingualapproachvirtuallyguaranteesthatthechildwilldeveloplinguisticcompetence.Second,bilingualismisbeneBilingualchildrendisplaybetterexibilityandcognitivecontrolaswellasmorecreativethinking,especiallyinproblemsolving.Thesebenetsextendtosocialandacademicsettings.Third,signlanguagedevelopmentcorrelatespositivelywithandspokendevelopment.NoevidencehasbeenfoundthattheuseofavisualMELLONetal at National Institutes of Health Library on June 16, 2015pediatrics.aappublications.orgDownloaded from languageaffectstheoutcomeofcochlearimplantation.Infact,childrenwithCIswithearlyexposuretoand,importantly,continueduseofasignlanguageoutperformchildrenwithonlyCIsonavarietyofstandardizedlanguagemeasuresofEnglish,evenwhenbothgroupshavethesameageofimplantationandthesameyearsofCIuse.Itseemsthatearlyandcontinuedexposuretosignmayprovideaframeworkforearlyspokenlanguageindeafchildrenwithinhearingfamiliesaswellaswithindeaffamilies.TOMHUMPHRIES,PHD,COMMENTS:Themostimportantadviceanyonecangiveparentsofdeafchildrenistoimmediatelyjoinanactivesigningcommunityofbothparentsandchildren.Thisrststepisvitalinachievingthetypeoflanguage,cognitive,andsocialdevelopmentthatdeafchildrenwillneedforFrombirthto3yearsofage,adeafchildneedstobepartofalanguageandcognitiveecosysteminwhichunambiguouslinguisticinputandrichinteractionwithprintpreparethechildforboththeacquisitionofbasicinterpersonalcommunicationskillsandforacademiclanguagedevelopment.Byacquiringsignlanguageearly,thechildcandeveloptheoryofmindandachievetherequisitedomesticationofvision(eg,eyetrackingforreading)tobereadyforschooling.Academiclanguagedevelopmentiswhatweexpectofchildreninschool,thelanguagethatchildrenmustbothaccessanddemonstrateknowledgein.Beingabletocommunicateinsignlanguagewiththeteacherandwithclassroompeersaffordsthedeafchildthesociallyandintellectuallyengagedinteractionthatcomprisessomuchoftheschoolday.Thissocialdevelopmentiscriticaltoabilitytolearnandtotheirmoralandemotionaldevelopment.Asthedeafchildgrows,thefamilyisnotenough,andalargeamountofthestimeisspentawayfromhome.Withsignlanguage,thedeafchildisabletotravelthroughvarioussocialsituationsandcommunitieswithoutcultyandnotbeconnedtocommunicatingonlywithfamilyandfriends,asisoftenthecasefordeafchildrenwhohavenoknowledgeofsignlanguage.DONNAJONAPOLI,PHD,ANDTHERESAHANDLEYCOMMENTS:Alldeafchildrenshouldbetaughtasignlanguageassoonastheirhearingstatusisdetermined,inconjunctionwithtraininginspokenlanguage(foraslongastheyshowprogressandinterest);theirchancesofdevelopingarmlinguisticfoundationarethusmaximized.Simplyput,latelanguagelearnershavearangeofproblems,particularlywithliteracy,whereassigningdeafchildren,withorwithoutaCI,performbetteronliteracyandthosecognitiveskillsthatrequirealanguagefoundation,regardlessofwhethertheirparentsareordeaf.experienceoverallbenetwithnodrawbacksiftheycontinuetosignwhileoraltrainingisstillinprogress.Signandspeechfacilitateeachother,ratherthanonehinderingtheother.misperceptionthatsigninginterfereswithspeechisbasedonwhatsomecallneuropoliticsonthepartofboththemedicalprofessionandthecommunityofparentsofchildrenwithCIs.33,34Inthiscommonscenario,themedicalprofessionputstheburdenofsuccesswithaCInotonthetechnologybutontherehabilitativetrainingthechildreceives,whichamountstoputtingthatburdenprimarilyontheparents.Parents,inturn,tendtobeproudiftheirchildrenmakeprogressandtaketheblameiftheydonot;theseparentsshameeachotherandevenhidefromeachotherthefactthattheysignsometimeswiththeirchildren.Alloftheseactionsaremisguidedbecausetherearenoreliablepredictorsofwhichchildren(amongthosewhoreceivetraining)willsucceedandwhichwillnot.Thefactis,acquiringarmfoundationinasignlanguagegivesthechildthebaseuponwhichtobuildskillsinreadingand,sometimes,speakingasecondlanguage;itisimpossible,however,tolearntoreadwithouthavingarmfoundationinsomeRaisingadeafchildrequiresgreateffortnomatterwhatlanguagechoicetheparentsmake.Raisingadeafchildwithasignlanguageaswellasspokenlanguagerequireslearningasignlanguage.Butraisingadeafchildstrictlyorallyrequiresdailytraininginvocalizationandspeech-readingthroughoutchildhood,whichcertainlydemandsasmucheffortaslearningtosignandcouldstillhavenopositiveeffectsonlanguagedevelopmentbecauseitisimpossibletopredictwhichchildrenwillsucceedwithaCI.Deafinfantsneedexposuretogoodsigningmodels(ie,peopleusingasignlanguagewithallofitsgrammaticalrichness),notjusttogoodspeakers.Variouscombinationsofspeech,gestures,andrudimentarysigningcanhelpinfamilycommunication,andsuchsystemsoftenhavesomestructuralsimilaritiestonaturallanguage.However,thesesystemsarenosubstituteforbonadelanguage,nordotheyallowthechildtocommunicatewithothersoutsidethefamily.Iffamiliespermittheirdeafchildrentointeractwithsigningdeafadults,thesedeafadultswillserveastheresourcethatallowslanguageacquisitiontodevelopnaturally.Deafchildrenalsoneedtointeractwithotherdeafchildrenwhosign.OnecanndtheselanguageandsocialopportunitiesthroughcommunitysupportgroupssuchasPEDIATRICSVolume136,number1,July2015 at National Institutes of Health Library on June 16, 2015pediatrics.aappublications.orgDownloaded from deafadvocacygroups,localdeafandhard-of-hearingcommunitycenters,andlocaland/orstatedeafservicesbureaus.Thefamilycanbeginsignlanguageclassesassoonasthediagnosisofdeafnessisconrmed.Somefamilymembersmaybecomeuentsigners,whileothersmayalwaysfeelawkwardatsigning;thequalityofthefamilyssigningisfarlessimportant,however,thanthefactthatthefamilycommunicateswiththechild.DeafchildrenwhosignwiththeirhearingmothersexhibitearlylanguageexpressivenesssimilartohearingchildrenofthesameagevariabilityinthemothersEvenfamilieswhobecomeexpertsignersneedtobringtheirdeafchildrentoeventswheretheycaninteractwithasigningcommunitybecausetheproperdevelopmentoflanguageinallitscomplexityinvolvesitsusewithinacommunity.Furthermore,therearemanythingsthatdeafadultswhosigntendtodowithdeafchildrenthathearingparentsareunlikelytodowithoutctraining.Deafadultsoftenusechild-directedsigning,inwhichtheireyegaze,methodsofattentiongetting,rateandsizeofsigning,andwaysofmakingbothsignsandobjectsmorevisuallyaccessiblesupportthechildslanguagedevelopment.Deafadultsoftensignonobjects,oronthechildsbody,ormoveobjectsintothechildslineofvision,allspontaneouslyandwithttothechildlanguagelearner.Thisbehaviorallowstheadultandchildtointeractinamoresophisticatedway;deafchildrenofdeafparentsquicklylearntoalternatetheirgazebetweenaparentandabookorobject,thusenhancingcomprehension.Alldeafchildrencouldbenetfromlearningthistechniquebecausesignlanguageskillsareessentialinsuccessfuluseofinterpretersinschool.Furthermore,althoughtherearemanywaysbeingdeaf,thedeafpersonwhogainsapositiveattitudetowardbeingdeafisontheroadtoestablishingahealthyidentity;interactingcomfortablywithotherdeafpeopleviaasignlanguagemaybeastrongaid.JOHND.LANTOS,MD,COMMENTS:Formorethanacentury,physicians,parents,educators,andothershavedebatedhowbesttoraisechildrenwhoaredeaf.NewbornscreeningforhearinglossandthedevelopmentofCIsarethelatesttechnologicaltwistsinthisdebate.However,theydonotalterthefundamentalethicalissue:Childrenneedtolearnlanguage.Theymustlearnitfromparents,teachers,andtheircommunity.Themorelanguagestheylearn,thebetterthesechildrenwillbeabletocommunicate.Allchildrenwouldbebetteroffiftheirparentsallspoke5languagesandtaughtall5totheirchildren;unfortunately,manyparentsdonotspeak5languages.Deafchildrenofhearing(andnonsigning)parentsareuniqueamongallchildrenintheworldinthattheycannoteasilyornaturallylearnthelanguagethattheirparentsspeak.Hearing(andnonsigning)parentsofdeafchildrenareuniqueinthattheyareaskedtolearn,atleastinarudimentaryway,anewandforeignlanguagetocommunicatewiththeirchildren.Someparentseagerlyandwillinglytakeonthischallenge;othersdonotorcannot.Aspediatricians,weneedtokeepup-to-dateonthelatestresearch,translatethatresearchintolanguagethatparentscanunderstand,andhelpthemmakechoicesthatarebestfortheirchild,theirfamily,andthemselves.Therearenoriskstolearningsignlanguagealongwithspokenlanguage,buttherearewell-denedbenets.Forparentsandfamilieswhoarewillingandable,thisapproachseemstobeclearlypreferabletoanapproachthatfocusessolelyonoralcommunication.ACKNOWLEDGMENTSWethankPoornaKushalnager,PhD,oftheRochesterInstituteofTechnology,andScottSmith,MD,MPH,oftheUniversityofRochesterMedicalCenterforconsultingonthisresearchandreviewingdrafts.ABBREVIATIONCI:cochlearimplant1.OlusanyaBO,WirzSL,LuxonLM.Community-basedinfanthearingscreeningforearlydetectionofpermanenthearinglossinLagos,Nigeria:across-sectionalstudy.WorldHealthOrgan.2008;86(12):9562.BradhamT,JonesJ.CochlearimplantcandidacyintheUnitedStates:prevalenceinchildren12monthsto6yearsofage.IntJPediatr.2008;72(7):10233.ChristiansenJB.FifteencochlearimplantJDeafStudDeafEduc.2014;4.MitchellR,KarchmerM.Chasingthemythicaltenpercent:ParentalhearingstatusofdeafandhardofhearingstudentsintheUnitedStates.SignLang.2004;4(2):1385.BruskyAE.Makingdecisionsfordeafchildrenregardingcochlearimplants:thelegalramicationsofrecognizingdeafnessasacultureratherthanadisability.WisLRev.1995:2376.MellonNK,OuelletteM,GreerT,Gates-UlanetP.Achievingdevelopmentalsynchronyinyoungchildrenwithhearingloss.TrendsAmplif.2009;13(4):7.TomblinJB,BarkerBA,HubbsS.DevelopmentalconstraintsonlanguagedevelopmentinchildrenwithcochlearIntJAudiol.2007;46(9):5128.GeersAE,NicholasJG,SedeyAL.Languageskillsofchildrenwithearlycochlearimplantation.EarHear.2003;24(suppl1):46S9.TomaselloM.ConstructingaLanguage:AUsage-BasedTheoryofLanguage.Cambridge,MA:HarvardUniversityPress;2003:21MELLONetal 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HOWLONGDOESTWOMINUTESLAST?:TheNCAAMensBasketballtournament,otherwiseknownasMarchMadness,recentlyconcluded.Manyofmyfriendscommentedonwhatanexcitingtournamentithadbeenandhowmuchtheyenjoyedwatchingthegames.WhileIenjoycollegeathletics,Idonotenjoywatchingbas-ketballasmuchasothersports.Onereasonisthatthegamesseemtostretchonforsuchalongtime.PerhapsIfeelthiswaybecauseIliketowatchsoccer.Eachhalflasts45minutes,andIhaveaprettygoodideawhenthegamewillend.Thatisnotthecasewithcollegebasketball.AsreportedinTheWallStreetJournal(Life:March24,2015),thelasttwominutesofabasketballgameusuallylastmuchlongerthanthat.Intherst52gamesofthe2015tournament,onaveragethelasttwominutesofthegamestookjustovernineminutestocomplete.Ingamesinwhichtheteamswereseparatedbylessthan10pointswithtwominutestoplay,thelasttwominutestookonaverage10.5minutestocomplete.Amazingly,inonegamethelasttwominuteslasted18.5minutes.Thegamesstretchonforseveralreasons,butchieybecauseofintentionalfoulingandtimeouts.Afoulresultsinastoppageofplayofapproximately50seconds.Ifaplayerfoulsout,coachesaregivenanadditional20secondstomakeasubstitution.Coachescanreservetimeouts.Astherearemanytelevisiontimeoutsduringatournamentgame,coachesmayhaveseveral30secondandevena60secondtimeoutattheirdisposallateinthegame.Inonegame,vetimeoutswerecalledinthelasttwominutes.Threewerecalledwithonlytwosecondsremaininginthegame.So,whileMarchMadnesscanbealotoffun,thewaythelasttwominutesofthegamecanstretchonforsuchalongtimeseemsnotmuchfunatall.NotedbyWVR,MDMELLONetal at National Institutes of Health Library on June 16, 2015pediatrics.aappublications.orgDownloaded from DOI: 10.1542/peds.2014-1632; originally published online June 15, 2015;PediatricsHumphries, Donna Jo Napoli, Theresa Handley, Sasha Scambler and John D. LantosNancy K. Mellon, John K. Niparko, Christian Rathmann, Gaurav Mathur, TomShould All Deaf Children Learn Sign Language?   Services /peds.2014-1632including high resolution figures, can be found at: Permissions & Licensing tmlhttp://pediatrics.aappublications.org/site/misc/Permissions.xhtables) or in its entirety can be found online at: Information about reproducing this article in parts (figures, Reprints http://pediatrics.aappublications.org/site/misc/reprints.xhtml rights reserved. Print ISSN: 0031-4005. Online ISSN: 1098-4275.and trademarked by the American Academy of Pediatrics, 141 Northwest Point Boulevard, Elkpublication, it has been published continuously since 1948. PEDIATRICS is owned, published, at National Institutes of Health Library on June 16, 2015pediatrics.aappublications.orgDownloaded from DOI: 10.1542/peds.2014-1632; originally published online June 15, 2015;PediatricsHumphries, Donna Jo Napoli, Theresa Handley, Sasha Scambler and John D. LantosNancy K. Mellon, John K. Niparko, Christian Rathmann, Gaurav Mathur, TomShould All Deaf Children Learn Sign Language?     http://pediatrics.aappublications.org/content/early/2015/06/09/peds.2014-1632located on the World Wide Web at: The online version of this article, along with updated information and services, is  of Pediatrics. All rights reserved. Print ISSN: 0031-4005. Online ISSN: 1098-4275.published, and trademarked by the American Academy of Pediatrics, 141 Northwest Pointpublication, it has been published continuously since 1948. PEDIATRICS is owned, at National Institutes of Health Library on June 16, 2015pediatrics.aappublications.orgDownloaded from