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Copyright 2008 Psychonomic Society, Inc. 346 The short-term storage of visual information is a criti-
 

Summary: Copyright 2008 Psychonomic Society, Inc. 346
The short-term storage of visual information is a criti-
cal component of visual information processing. It en-
ables incoming stimuli to be tracked and compared with
current percepts and with other information already in
short-term storage or in long-term storage. Early work on
visual memory by Phillips (1974) revealed that there are
two separate storage systems for visual information: One
is a high-capacity sensory store, and the other is a short-
term store with a relatively limited capacity, referred to
here as visual short-term memory. Recent work has shown
that the upper limit on the number of objects that can be
stored in visual short-term memory is quite small, on the
order of about four or five simple objects (Luck & Vogel,
1997). The number that can be stored is limited both by
an upper limit on the number of objects that can be stored
and by the total amount of visual information that can be
stored in memory. Thus, increasing the amount of infor-
mation stored per object reduces the number of objects
that can be stored (Alvarez & Cavanagh, 2004).

  

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

 

Collections: Biology and Medicine