第二語言中規(guī)則形式與不規(guī)則形式的大腦表征研究.pdf

1、上海交通大學碩士學位論文第二語言中規(guī)則形式與不規(guī)則形式的大腦表征研究姓名：鄭麗娜申請學位級別：碩士專業(yè)：外國語言學及應用語言學指導教師：俞理明20061105ABSTRACTSiiiABSTRACTOuruseoflanguagemainlydependsupontwocapacities:amentallexiconamentalgrammar.Thefmerprovidesuswiththewdsfcommunicationthel

2、atterprovidesuswiththerulesthatunderliethesequentialhierarchicalcompositionoflexicalfmsintopredictablystructuredlargerunitslikephrasessentences.Thesetwosystemsarecomparabletoirregularfmsregularfmsofthehumanlanguages.Thus

3、investigationoftheregularirregularfmscouldshedlightsonthementalrepresentationprocessingofthehumanlanguageswhichhasbeenoneofthefocalareasinpsycholinguisticsneurosciencelanguageacquisitionresearchinrecent30yearsso.Sofarthe

4、researchonregularirregularfmshasconcentratedonthepasttensefmsofEnglishverbs.Twocampsofthesinglemechanismtheiesdualmechanismtheieshavecomeintobeing.Howeveralmostallthepreviousstudiesexaminethenativelanguages.OntheotherhPi

5、nker(1999)claimsthatthesystemsofmentalrepresentationprocessinginhumansarelinguisticallyuniversal.Undersuchcircumstancesthepresentstudyextendstheresearchontherepresentationprocessingofregularirregularfmstosecondlanguagein

6、vestigatestheirfrequencyeffectsimilarityeffecttheperfmanceonregularirregularfmsaswellasthepasttensefmsofdoubletverbsbytheL2ersindifferentacquisitionalstages.Theexperimentalresultsshowthatbothfrequencysimilarityeffectsare

7、foundonirregularbutnotregularfms.WhentheretrievalofirregularfmsfromthememybreaksdownL2erswillprovidesuffixedfmsoverregularizationappears.L2erswithalongerperiodofexposuretoEnglishperfmmuchbetteronthepasttensefmsofirregula