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1、TopicsinCognitiveScience5(2013)564580Copyright©2013CognitiveScienceSociety,Inc.Allrightsreserved.ISSN:1756-8757print/1756-8765onlineDOI:10.1111/tops.12029HowWMLoadInfluencesLinguisticProcessinginAdults:AComputationalModelofPronounInterpretationinDiscourseJacolienvanRij,HedderikvanRijn,PetraHendriksDe
2、partmentofPsychology,UniversityofGroningenReceived15February2012;receivedinrevisedform13December2012;accepted11January2013AbstractThispaperpresentsastudyoftheeffectofworkingmemoryloadontheinterpretationofpro-nounsindifferentdiscoursecontexts:storieswithandwithoutatopicshift.Wediscussacompu-tationalm
3、odel(inACT-R,Anderson,2007)toexplainhowreferringexpressionsareacquiredandused.Onthebasisofsimulationsofthismodel,itispredictedthatWMconstraintsonlyaffectadultspronounresolutioninstorieswithatopicshift,butnotinstorieswithoutatopicshift.Thislatterpredictionwastestedinanexperiment.Theresultsofthisexper
4、imentconfirmthatWMloadreducesadultssensitivitytodiscoursecuessignalingatopicshift,thusinfluencingtheirinterpre-tationofsubsequentpronouns.Keywords:Workingmemoryload;Languageprocessing;Cognitivemodeling;Pronouns1.InterpretationofsubjectpronounsListenersinterpretreferringexpressionssuchaspronounsusingin
5、formationfromtheprecedinglinguisticdiscourse.However,representingandaccessingthisdiscourseinfor-mationmaycomewithcertaincosts.Inthisstudy,weinvestigatetheinfluenceofwork-ingmemoryloadonadultsinterpretationofpronounsindiscourse.Table1showstwoshortstoriesabouttwocharactersofthesamegender.Inthesto-ries,
6、thefinalsentencestartswithapotentiallyambiguouspronoun(he),whichcanrefertobothmalecharactersinthegivenlinguisticcontext(EricandPhilip).Generally,pronounsareusedtorefertothemostsalientcharacterorentity(i.e.,thetopic)inthelinguisticdiscourse(a.o.,Ariel,1990;Gundel,Hedberg,&Zacharski,1993).Correspondenc
7、eshouldbesenttoJacolienvanRij,UniversityofGroningen,Groningen,TheNetherlands.E-mail:vanrij.jacolien@gmail.comJ.vanRij,H.vanRijn,P.Hendriks/TopicsinCognitiveScience5(2013)565Table1ExampleofastoryinDutc
