?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Seeing%2C+Sensing%2C+and+Scrutinizing&rft.creator=Rensink%2C+Ronald+A&rft.subject=Cognitive+Psychology&rft.subject=Perceptual+Cognitive+Psychology&rft.description=Large+changes+in+a+scene+often+become+difficult+to+notice+if+made+during+an+eye+movement%2C+image+flicker%2C+movie+cut%2C+or+other+such+disturbance.++It+is+argued+here+that+this+%3Ci%3Echange+blindness%3C%2Fi%3E+can+serve+as+a+useful+tool+to+explore+various+aspects+of+vision.++This+argument+centers+around+the+proposal+that+focused+attention+is+needed+for+the+explicit+perception+of+change.++Given+this%2C+the+study+of+change+perception+can+provide+a+useful+way+to+determine+the+nature+of+visual+attention%2C+and+to+cast+new+light+on+the+way+that+it+is%C2%97and+is+not%C2%97involved+in+visual+perception.%0A%0A+To+illustrate+the+power+of+this+approach%2C+this+paper+surveys+its+use+in+exploring+three+different+aspects+of+vision.++The+first+concerns+the+general+nature+of+%3Ci%3Eseeing%3C%2Fi%3E.++To+explain+why+change+blindness+can+be+easily+induced+in+experiments+but+apparently+not+in+everyday+life%2C+it+is+proposed+that+perception+involves+a+%3Ci%3Evirtual+representation%3C%2Fi%3E%2C+where+object+representations+do+not+accumulate%2C+but+are+formed+as+needed.++An+architecture+containing+both+attentional+and+nonattentional+streams+is+proposed+as+a+way+to+implement+this+scheme.++The+second+aspect+concerns+the+ability+of+observers+to+detect+change+even+when+they+have+no+visual+experience+of+it.++This+%3Ci%3Esensing%3C%2Fi%3E+is+found+to+take+on+at+least+two+forms%3A+detection+without+visual+experience+(but+still+with+conscious+awareness)%2C+and+detection+without+any+awareness+at+all.++It+is+proposed+that+these+are+both+due+to+the+operation+of+a+nonattentional+visual+stream.++The+final+aspect+considered+is+the+nature+of+visual+attention+itself%C2%97the+mechanisms+involved+when+%3Ci%3Escrutinizing%3C%2Fi%3E+items.++Experiments+using+controlled+stimuli+show+the+existence+of+various+limits+on+visual+search+for+change.++It+is+shown+that+these+limits+provide+a+powerful+means+to+map+out+the+attentional+mechanisms+involved.&rft.publisher=Pergamon&rft.contributor=Spekreijse%2C+Henk&rft.date=2000&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F1345%2F3%2Frensink.vr.2000.pdf&rft.identifier=++Rensink%2C+Ronald+A++(2000)+Seeing%2C+Sensing%2C+and+Scrutinizing.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F1345%2F