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| Research article summary (published 30 Dec 2002): |
New objects, not new features, trigger the attentional blink.
Full Abstract
When two different targets must be selected from a rapid serial visual presentation (RSVP) of images, perception of the second target will be markedly reduced if it is presented within about a half second of the first. Known as the attentional blink (AB), this effect reflects temporal limitations in attentional processes enabling awareness of image representations. I tested whether these limitations occur at an object or feature level of processing by presenting (in RSVP) multiple images of the same (old) object depicted in different orientations. Targets were defined by new features added either to this or to a new object. When the first target feature appeared on the old object, no AB effects were found even when the second target was a new object. When a new object carried the first target feature, an AB effect was found even when the second target feature appeared on the same "new" object. The AB appears to reflect limitations in the creation of new object representations, rather than temporal limitations of awareness per se.
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Author information
Author/s: Raymond, Jane E (JE);
Affiliation: School of Psychology, University of Wales, Bangor, Wales, Gwynedd, United Kingdom. j.raymond(-atsign-)bangor.ac.uk
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Psychological science : a journal of the American Psychological Society / APS (Psychol Sci), published in United States. (Language: eng)
Reference: 2003-Jan; vol 14 (issue 1) : pp 54-9
Dates: Created 2003/02/04; Completed 2003/03/03; Revised 2006/11/15;
PMID: 12564754, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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