Spatial context learning survives interference from working memory load.
Spatial context learning survives interference from working memory load.
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DOI:
10.1037/a0020558
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发表时间:
2010-12
影响因子:
2.1
通讯作者:
Jiang, Yuhong V.
中科院分区:
文献类型:
--
作者:
Vickery, Timothy J.;Sussman, Rachel S.;Jiang, Yuhong V.
The human visual system is constantly confronted with an overwhelming amount of information, only a subset of which can be processed in complete detail. Attention and implicit learning are two important mechanisms that optimize vision. This study addresses the relationship between these two mechanisms. Specifically we ask: Is implicit learning of spatial context affected by the amount of working memory load devoted to an irrelevant task? We tested observers in visual search tasks where search displays occasionally repeated. Observers became faster searching repeated displays than unrepeated ones, showing contextual cueing. We found that the size of contextual cueing was unaffected by whether observers learned repeated displays under unitary attention or when their attention was divided using working memory manipulations. These results held when working memory was loaded by colors, dot patterns, individual dot locations, or multiple potential targets. We conclude that spatial context learning is robust to interference from manipulations that limit the availability of attention and working memory.
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