oa Alternation - Dimensions of Change Detection within the Phenomenon of Change Blindness

Volume 10, Issue 2
  • ISSN : 1023-1757



The phenomenon of change blindness (CB) has recently been investigated from a number of perspectives. Basically it entails the limited ability to perceive gross changes in one's visual environment. In a recent experiment, Simons and Levin (1998) showed that persons do not notice when a stranger asking them for directions is switched with another person when the switch is concealed briefly by two persons walking between them carrying a door. CB specifically pertains to limited ability to perceive disparity in scenes, changes between elements ('second-order information') and personal visual impressions (Rensink 2000:2). The rider is that the changes must occur during a flicker, saccade, blink, similar interruption or an eye movement (Simons & Levin 1997; Rensink 2000).

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