the neural processing of foreign-accented speech and its relationship to listener bias

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1、ORIGINALRESEARCHARTICLEpublished:08October2014HUMANNEUROSCIENCEdoi:10.3389/fnhum.2014.00768Theneuralprocessingofforeign-accentedspeechanditsrelationshiptolistenerbias121,3Han-GyolYi,RajkaSmiljanicandBharathChandrasekaran*1SoundBrainLab,DepartmentofCo

2、mmunicationSciencesandDisorders,MoodyCollegeofCommunication,TheUniversityofTexasatAustin,Austin,TX,USA2UTSoundLab,DepartmentofLinguistics,CollegeofLiberalArts,TheUniversityofTexasatAustin,Austin,TX,USA3InstituteforNeuroscience,TheUniversityofTexasatA

3、ustin,Austin,TX,USAEditedby:Foreign-accentedspeechoftenpresentsachallenginglisteningcondition.InadditiontoCarolynMcGettigan,RoyalHollowaydeviationsfromthetargetspeechnormsrelatedtotheinexperienceofthenonnativeUniversityofLondon,UKspeaker,listenerchar

4、acteristicsmayplayaroleindeterminingintelligibilitylevels.WeReviewedby:havepreviouslyshownthatanimplicitvisualbiasforassociatingEastAsianfacesPattiAdank,UniversityCollegeLondon,UKandforeignnesspredictsthelistenersperceptualabilitytoprocessKorean-acce

5、ntedDanielA.Abrams,StanfordEnglishaudiovisualspeech(Yietal.,2013).Here,weexaminetheneuralmechanismUniversity,USAunderlyingtheinfluenceoflistenerbiastoforeignfacesonspeechperception.Ina*Correspondence:functionalmagneticresonanceimaging(fMRI)study,nativ

6、eEnglishspeakerslistenedtoBharathChandrasekaran,native-andKorean-accentedEnglishsentences,withorwithoutfaces.TheparticipantsSoundBrainLab,DepartmentofCommunicationSciencesandAsian-foreignassociationwasmeasuredusinganimplicitassociationtest(IAT),condu

7、ctedDisorders,MoodyCollegeofoutsidethescanner.Wefoundthatforeign-accentedspeechevokedgreateractivityinCommunication,TheUniversityofthebilateralprimaryauditorycorticesandtheinferiorfrontalgyri,potentiallyreflectingTexasatAustin,1UniversityStation,great

8、ercomputationaldemand.HigherIATscores,indicatinggreaterbias,wereassociatedC7000,2504AWhitisAve.(A1100),Austin,TX78712,USAwithincreasedBOLDresponsetoforeign-accentedspeechwithfacesintheprimarye-mail:bchandra@utexas.eduauditorycortex,theearlynodeforspe