單任務(wù)和雙任務(wù)中的側(cè)抑制協(xié)同加工策略研究.pdf

1、河北大學(xué)碩士學(xué)位論文單任務(wù)和雙任務(wù)中的側(cè)抑制協(xié)同加工策略研究姓名：劉景麗申請學(xué)位級別：碩士專業(yè)：發(fā)展與教育心理學(xué)指導(dǎo)教師：宋耀武王啟成20090601AbstractAbstractThepresentstudyUSeStheEriksenFlankerparadigm，dividesthecurrenttaskintotwotypesofexperiments，Single—taskandDual—task，andsystematic

2、allymanipulatestheinfluenceofdifferentcluecodingontherelationshipofeoprocessingdegreebetweenFlankerandtaskInthiswaywestudythecontributionofa：ttenfionalstrategiestoselectionandprocessingofcurrentlyirrelevantstimuliExperim

3、ent1isaduplicateofthestandardexperimentoftheEriksenFlankerparadigmwinlthedesignofacertainstimulusonsetasynchrony(SOA)SingleanddualtasksareblockedTheresultsshowedthattheperformanceindualtaskcomparedwiththatinsingletasktha

4、tparticipantshaveastrongtendencytoeoprocessflankerstoalargedegreeinadualtaskscenarioTheFlankerCongruncyEffect(FCE)indualtaskislargerthanthatinsingletaskwhichindicatesthatflankerprocessinghasalreadystartedbeforetherespons

5、eselectionforthetargethasfinished。TostudywhatinducestheconclusionofExperimem1，Experiment2isdesignedwhithsingleanddualtasksmixedwithinablockoftrialsThecolorofflankerinExperiment2Aindicatesthetrialtype(singletaskordualtask

6、)TheresultsshowsthatsignificantFCEisnotbecauseofhighmemoryloadbuttheresultofadoptingdifferentattentionalstrategiesInExperiment2B，trialtype(singletaskordualtask)issignaledbywhetherthecoloroftargetandflankersmatchedWiththi

7、sprocedure，the’degreeofflankerprocessingcouldnolongerbebasedonthefixed，earlycolorfilteringstrategylikeExperiment2A，inwhichthatcolorcallbeusedforstimulusselectioninsteadoflocationTheresultsofthepresentexperimentdemonstrat

8、ethattheFCEdifferencesbetweenthetrialtypesinthepreviousexperimentdidnotdependonearlycolorfilteringmechanismsToavoidthephenomenonthattheflankersalwayshavetobeattendedforcueencodinginExperiment2AandExperiment2B，Experiment2

9、Cwasdesigned，inwhichthetargetcolorsignaledthetrialtypeAstheresultsshowthenewcuingprocedureledtoasimilarperformanceasthecuingproceduresusedpreviouslyBydesigningtheaboveexperiments，thetypeoftasksismixedorblocked，thegoalist