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| Research article summary (published 29 Apr 2002): |
Facilitation of local information processing in the attentional blink as indexed by the shooting line illusion.
Full Abstract
Perception of the second of two rapidly sequential targets is impaired if the temporal lag between them is relatively short. This attentional blink (AB) is said to occur because the first target preoccupies attentional resources, leading to a shortage of attention for, and subsequent failure of judgement of, the second target. In the present study, we examined whether the attention which is preoccupied by the first target carries the common characteristic of spatial attention, that is local facilitation of information processing. To index the facilitation, we presented an attention-sensitive probe known as the shooting line illusion in which observers see a progressively drawn line from the attended end to the other. We found that illusory motion was perceived to emanate from the end where the first target was presented. This result demonstrates the inherently spatial nature of attention, even when it is defined by temporal and symbolic variables.
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Author information
Author/s: Kawahara, Jun-ichiro (J);
Affiliation: Department of Psychology, Hiroshima University, Kagamiyama 1-1-1, Higashi, Hiroshima, 739-8524, Japan. jkawa(-atsign-)hiroshima-u.ac.jp
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Psychological research (Psychol Res), published in Germany. (Language: eng)
Reference: 2002-May; vol 66 (issue 2) : pp 116-23
Dates: Created 2002/07/22; Completed 2002/09/06; Revised 2006/11/15;
PMID: 12132114, 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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