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Copyright 2007 Psychonomic Society, Inc. 172 Weallliveinadynamicenvironmentcharacterizedby
 

Summary: Copyright 2007 Psychonomic Society, Inc. 172
Weallliveinadynamicenvironmentcharacterizedby
multiple,distinctiveobjectsthatmovethroughtheworld.
Inthestudyofvisualattention,however,whenresearch-
ershavestudieddistinctiveobjects,thoseobjectshavenot
moved(e.g.,Henderson&Hollingworth,2003;Oliva,
Torralba,Castelhano,&Henderson,2003;Wolfe,Oliva,
Horowitz,Butcher,&Bompas,2002),andwhentheyhave
insteadexaminedtheabilitytoattendtomovingobjects,
thoseobjectshavenotbeendistinctive.Inthisarticle,we
willexploretheroleofattentioninkeepingtrackofiden-
tifiableobjectsastheymovethroughtheworld.
Inrecentyears,themultiple-object-tracking(MOT)task
(Pylyshyn&Storm,1988)hasemergedasaprimarytool
forstudyingdynamicattention--thatis,attentiontoobjects
overtime.InthestandardversionofMOT,theobserveris
initiallypresentedwithadisplayofeightidenticalitems,
withfouroftheitemsblinkingonandofftoidentifythem
astargets.Alloftheitemsthenmoveforseveralseconds,
duringwhichtheobserverhastokeeptrackofthetargets.

  

Source: Alvarez, George A. - Department of Psychology, Harvard University
Harvard University, Visual Attention Lab

 

Collections: Biology and Medicine