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Change blindness and visual long-term memory www.landesbioscience.com Communicative & Integrative Biology 1
 

Summary: Change blindness and visual long-term memory
www.landesbioscience.com Communicative & Integrative Biology 1
[Communicative & Integrative Biology 2:1, 1-3; January/February 2009]; 2009 Landes Bioscience
A large body of literature has shown that observers often fail to
notice significant changes in visual scenes, even when these changes
happen right in front of their eyes. For instance, people often fail to
notice if their conversation partner is switched to another person,
or if large background objects suddenly disappear.1,2 These `change
blindness' studies have led to the inference that the amount of
information we remember about each item in a visual scene may
be quite low.1 However, in recent work we have demonstrated that
long-term memory is capable of storing a massive number of visual
objects with significant detail about each item.3 In the present
paper we attempt to reconcile these findings by demonstrating that
observers do not experience `change blindness' with the real world
objects used in our previous experiment if they are given sufficient
time to encode each item. The results reported here suggest that
one of the major causes of change blindness for real-world objects
is a lack of encoding time or attention to each object (see also refs.
4 and 5).

  

Source: Alvarez, George A. - Department of Psychology, Harvard University
Oliva, Aude - Department of Brain and Cognitive Science, Massachusetts Institute of Technology (MIT)

 

Collections: Biology and Medicine; Computer Technologies and Information Sciences