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ID:38584045
大小:119.50 KB
页数:5页
时间:2019-06-15
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1、Session3ThePsychologyofSLA(1)1.LanguageandthebrainlLanguageactivityisnotlocalized,butcorelinguisticprocessesaretypicallyhousedinthelefthemisphere(p.68).“…nolongerexpectthattherearelanguageareasthatareentirely‘responsibleforlanguage...”(Obler&Gjerlow1999).lThecriti
2、calperiodhypothesis(Lenneberg1967):Brainplasticityinchildhoodwouldallowotherareasofthebraintotakeoverthelanguagefunctionsofthedamagedareas,butbeyondacertainage,normallanguagewouldnotbepossible.Table4.1Principalcommunicativespecializationsofleftandrighthemispheres(
3、p.69)LefthemisphereRighthemispherePhonologyNonverbal(asbabies’cries)MorphologyVisuospatialinformationSyntaxIntonationFunctionwordsandinflectionsNonliteralmeaningandambiguityTonesystemsManypragmaticabilitiesMuchlexicalknowledgeSomelexicalknowledgelResearchinterests
4、:1)Howindependentarethelanguagesofmutilingualspeakers?Tentativeanswer:Multiplelanguagesystemsareneithercompletelyseparatenorcompletelyfused.2)Howaremultiplelanguagestructuresorganizedinrelationtooneanotherinthebrain?Arebothlanguagesstoredinthesameareas?Tentativean
5、swer:L1andL2arestoredinsomewhatdifferentareasofthebrain,butbothpredominantlyinareasofthelefthemisphere.However,therighthemispheremightbemoreinvolvedinL2thaninL1.3)DoestheorganizationofthebrainforL2inrelationtoL1differwithageofacquisition,thewayitislearned,andlevel
6、ofproficiency?Tentativeanswer:Probablyyes.A)AgeofacquisitioninfluencesbrainorganizationformanyL2learners.ThereisevidencethatindividualswhoacquireL2laterinlifeshowmoreright-hemisphereinvolvement.B)“…secondlanguagemaybelearntbymanymeansratherthanthesinglemeansfoundi
7、nL1acquisitionand,consequently,mayhaveagreaterapparenthemisphericspread.”(Cook1992).C)ProbablytheorganizationofL2knowledgeismorediffuseforlowerlevelsofproficiencyandmorecompactforhighlyfluentL2users.4)Dotwoormorelanguagesshowthesamesortoflossordisruptionafterbrain
8、damage?Whenthereisdifferentialimpairmentorrecovery,whichlanguagerecoversfirst?Tentativeanswer:Braindamageresultsinthesameorverysimilarpatternsoflossandr
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