威胁性信息影响自我面孔优势效应的认知神经机制探究

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1、西南大学硕士学位论文taskinwhichparticipantsidentifiedthefaceorientationofself-faceandstranger-faceafterSCTandNSCTpriming．Ourbehavioralresultsoflefthand，whichwereconsistentwithabovestudies．showedthatparticipantsdidnotrespondfastertoself-facethantofriend．faceafterSCTprimingbutrespondedfast

2、ertoself-facethantofriend—faceafterNSCTpriming，whichindicatedthattheSCTinhibitedtheself-faceadvantageoverfriend-face．Ourresultsalsofoundthatparticipantsrespondedfastertoself-facethanstranger-faceafterbothSCTandNSCTpriming，whichindicatedthatSCTdidnotweakentheself-faceadvantageOV

3、erstranger—face．Insum，self-conceptthreatandcomparisonwithimportantothersweakenself-faceadvantagealtogether．Instudy2，weusedevent—relatedbrainpotential(ERP)technologywhichhastheadvantageofhightemporalresolutionanddesignedboththe‘Self-friend’comparisontaskfparticipantsidentifiedth

4、efaceorientationofself-faceandfriend—face)andthe‘Self-stranger’comparisontask(participantsidentifiedthefaceorientationofself-faceandstranger-facelwhichwerebothafterself-conceptthreat(SCT)primingandnon．threat㈧SCT)priming．TheresultsshowedthattheN2amplitudesweremorenegativetofrien

5、d．faceprocessingthantoself-faceprocessingafterNSCTpriming，buttherewasnosignificantdifferencebetweenthemafterSCTpriming．Moreover,theN2amplitudesweremorenegativeforprocessingstranger-facecomparedtoself-facebothafterSCTprimingandafterNSCTpriming．Furthermore．theSCTmanipulatedtheN2a

6、mplitudesoffriend．faceratherthanself-face．TheresultssuggestedagainthattheIPAtheorymightbemerelysuitabletoexplaintheself-faceadvantageOVerfamiliar—face，butnotsuitabletoexplaintheself-faceadvantageOVerstranger-face．Moreover,theSCTweakenedtheself-faceadvantagebymodulatingthereacti

7、ontofriend-faceratherthanself-face．Inconclusion，thepresentstudyrevealedthattheIPAtheorymayonlysuittoexplainthereasonofself-faceadvantageoverimportantother-facebutdoesnotexplainthereasonofself-faceadvantageoverstranger-face。Moreover,theSCTweakentheself-faceadvantagebymodulatingt

8、hereactiontofriend．faceratherthanself-face．Theinteract