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Irrelevant onsets cause inhibition of return regardless of attentional set.
MedLine Citation:
PMID:  20952771     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
It is disputed whether onsets capture spatial attention either in a purely stimulus-driven fashion or only when they are contingent on one's attentional set. According to the latter assumption, interference from irrelevant onsets may result from nonspatial filtering costs. In the present study, we used inhibition of return (IOR) as a marker for spatial attention. IOR occurs mainly for locations that attention has visited before. Participants searched for a red object among white objects. An attentional set for redness was demonstrated by a spatial validity effect of red cues on response times. However, a stronger validity effect was found for irrelevant white onsets, which slowed responses when the onset contained a distractor, but speeded them when the onset contained a target. Most importantly, this onset benefit for targets turned into a deficit at longer SOAs, indicating IOR. We conclude that onset distractors capture spatial attention regardless of the observer's attentional set.
Authors:
Daniel Schreij; Jan Theeuwes; Christian N L Olivers
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Attention, perception, & psychophysics     Volume:  72     ISSN:  1943-393X     ISO Abbreviation:  Atten Percept Psychophys     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101495384     Medline TA:  Atten Percept Psychophys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1725-9     Citation Subset:  IM    
Affiliation:
Department of Cognitive Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands. dbb.schreij@psy.vu.nl
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