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Object Substitution Masking. Edition No. 1

  • ID: 1904682
  • September 2008
  • 136 Pages
  • VDM Publishing House
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Object substitution masking (OSM) refers to a
failure of a target to reach conscious awareness
when it is surrounded by dots that share a common
onset but remain visible after the target is
removed. This effect may reflect reentrant
(feedback) visual processes that result in the mask
replacing the target representation. This notion of
substitution is present in a variety of topics
regarding spatiotemporal object perception including
the attentional blink (AB), change blindness, and
inattentional blindness. Although a number of
studies have explored the OSM phenomenon, few have
examined the depth of processing associated with the
masked targets. This book presents work using event-
related brain potentials (ERPs) to investigate the
depth of processing issue in OSM by focusing on
components tied to specific processing stages.
Results are considered within the context of
reentrant processing, as well as how OSM relates to
other phenomena such as the AB. This analysis should
be useful to researchers studying visual attention
or anyone else interested in how much our brain
actually “knows” about unconsciously processed
visual stimuli.

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Jason Reiss.
Jason E. Reiss: Awarded Ph.D. (Cognitive Psychology) and M.A.
(Clinical Psychology) degrees at the University of Delaware.
Primary research focus is cognitive neuroscience studies of
visual attention, perception, and awareness. Currently holds
position as an Assistant Professor of Psychology at Wheaton
College in Norton, MA.

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