Abstract：
:In visual search, an irrelevant colour singleton captures attention when the colour of the distractor changes across trials (e.g., from red to green), but not when the colour remains constant (Becker, 2007). The present study shows that intertrial changes of the distractor colour also modulate oculomotor capture: an irrelevant colour singleton distractor was only selected more frequently than the inconspicuous nontargets (1) when its features had switched (compared to the previous trial), or (2) when the distractor had been presented at the same position as the target on the previous trial. These results throw doubt on the notion that colour distractors capture attention and the eyes because of their high feature contrast, which is available at an earlier point in time than information about specific feature values. Instead, attention and eye movements are apparently controlled by a system that operates on feature-specific information, and gauges the informativity of nominally irrelevant features.
journal_name
Vision Resjournal_title
Vision researchauthors
Becker SIdoi
10.1016/j.visres.2010.08.001subject
Has Abstractpub_date
2010-10-12 00:00:00pages
2116-26issue
21eissn
0042-6989issn
1878-5646pii
S0042-6989(10)00375-5journal_volume
50pub_type
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