Flanker Task - Cognition Lab

Flanker Task · Congruent All stimuli map to the same response. · Incongruent The flanker stimuli map to a different response than the target stimulus. · Neutral FlankerTaskStudytheimpactofcongruentandincongruentflankerstimulionresponsereactiontime Starta1minInteractivePreview ←Previous Next→ BackgroundReferencesConfiguration TheEriksenFlankerParadigmmeasurestheeffectofconflictinginformationwithinastimulusset.Thesubjectmustfocusonatargetstimuluswhileignoringadjacentflankerstimuli.BesidestheStroopandSimonparadigm,theEriksenFlankerparadigmisoneofthethreepopulartaskstostudyeffectsofconflictingstimulusinformation. Tomeasurehowconflictinginformationaffectschoiceresponsespeed,differentconditionsareintroduced: CongruentAllstimulimaptothesameresponse. IncongruentTheflankerstimulimaptoadifferentresponsethanthetargetstimulus. NeutralTheflankerstimulihavenoassociatedresponse.   Inaddition,costsofshiftinginstructionsmaybestudiedbyaskingthesubjecttoswitchfocusbetweencentralandflankerstimulidependingonacue. Conflictscoresarecomputedbysubtractingthefasterconditionfromtheslowerconditionforeachoftheattentionconcepts: Inhibition:InCongruent–Congruent(responseconflict)Shifting:MixedFocus–SingleFocus(taskswitching) TheexecutivesubsystemintheAttentionalNetworkTestcorrespondstotheErikseninhibitionscore. Thisimplementationusesarrowsorfishesasstimulusmaterial.Theladderisknownasthechildren’sversionoftheflankertask. Publications CallejasA,LupiáñezJ,TudelaP.Thethreeattentionalnetworks:ontheirindependenceandinteractions.BrainCogn.2004;54(3):225-7. Eriksen,B.A.,andEriksen,C.W.(1974).Effectsofnoiselettersupontheidentificationofatargetletterinanon-searchtask.Percept.Psychophys.16,143–149. Röthlisberger,M.,Neuenschwander,R.,Cimeli,P.,Michel,E.,andRoebers,C.M.(2011).Improvingexecutivefunctionsin5-and6-year-olds:Eevaluationofasmallgroupinterventioninprekindergartenandkindergartenchildren.InfantChildDev.21,411–429. Rueda,M.R.,Fan,J.,McCandliss,B.D.,Halparin,J.D.,Gruber,D.B.,Lercari,L.P.,&Posner,M.I.(2004).Developmentofattentionalnetworksinchildhood.Neuropsychologia,42,1029–1040. SchmidtM,JägerK,EggerF,RoebersCM,ConzelmannA.CognitivelyEngagingChronicPhysicalActivity,ButNotAerobicExercise,AffectsExecutiveFunctionsinPrimarySchoolChildren:AGroup-RandomizedControlledTrial.JSportExercPsychol.2015;37(6):575-91. Links http://en.wikipedia.org/wiki/Eriksen_flanker_taskhttp://www.cognitiveatlas.org/term/Eriksen_flanker_task ConfigurationOptions Stimulus : Arrow|Fish Layout : Horizontal,Vertical,Circle Flanker : Congruent|InCongruent|Neutral|None TaskFocus : Central|Flanker Feedback : None,Wrong,Late Pace : Self-paced,MaxRt ISI : FixedTimeplusRandomTimeInterval StimulusDisplay : inms FBduration : inms