Visual Encyclopedia

Change blindness

Change blindness is a perceptual phenomenon that occurs when a change in a visual stimulus is introduced and the observer does not notice it. For example, observers often fail to notice major differences introduced into an image while it flickers off and on again. People's poor ability to detect changes has been argued to reflect fundamental limitations of human attention. Change blindness has become a highly researched topic and some have argued that it may have important practical implications in areas such as eyewitness testimony and distractions while driving.

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A NOVA video about change blindness. I still can't see the difference in the first example even though I know what it is. The reason for change blindness makes sense--humans cannot constantly take in every single detail. Our brains only attune to those details that we need to know. Except for, you know, people with eidetic memories. The experiments in the video are really funny.

Contributed by Sammo Lea

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