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Attentional capture during attentional awakening

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Title: Attentional capture during attentional awakening
Authors: Kawahara, Jun I Browse this author →KAKEN DB
Keywords: Attentional capture
Attentional awakening
Issue Date: Jan-2016
Publisher: Springer
Journal Title: Attention, Perception, and Psychophysics
Volume: 78
Issue: 1
Start Page: 159
End Page: 167
Publisher DOI: 10.3758/s13414-015-0985-3
PMID: 26453536
Abstract: We investigated whether attentional set is available at the beginning of a trial or whether it develops gradually within a trial. Thus, we manipulated the time from the onset of a trial to a target and observers’ search strategy. We also observed the effect of the presence or absence of distractors as an index of the temporal development of attentional set. Participants identified a target letter embedded in a stream of rapidly presented nontargets while ignoring peripheral distractors. Baseline accuracy when no peripheral distractor was presented increased as the target appeared later in the stream, suggesting attentional awakening. Identification accuracy was impaired by the presence of peripheral distractors (i.e., attentional capture) early in the stream only when observers adopted the feature search mode. The magnitude of attentional capture increased over the course of the first 1,000 ms of a trial under the singleton detection and feature search modes. These results suggest that singleton detection mode requires time for a bottom-up signal to be effective in capturing attention, whereas the feature search mode does not require such a warm-up period to be effective and is available from the beginning of viewing the stream.
Rights: The final publication is available at Springer via
Type: article (author version)
Appears in Collections:文学院・文学研究院 (Graduate School of Humanities and Human Sciences / Faculty of Humanities and Human Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 河原 純一郎

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