Selective maintenance in visual working memory does not require sustained visual attention.

Selective maintenance in visual working memory does not require sustained visual attention.
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DOI:
10.1037/a0030238
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发表时间:
2013-08
影响因子:
2.1
通讯作者:
Maxcey-Richard, Ashleigh M.
Maxcey-Richard, Ashleigh M.
中科院分区:
心理学3区
文献类型:
--
作者:
Hollingworth, Andrew;Maxcey-Richard, Ashleigh M.

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在四个实验中,我们测试了是否需要持续的视觉注意来选择性地维持VWM中的物体。参与者完成了一项颜色变化检测任务。在保留间隔期间,有效的提示指示要测试的项目。有效线索条件下的变化检测成绩高于中性线索控制条件下的变化检测成绩。为了探索视觉注意在线索效应中的作用,在一半的实验中,在线索之后插入了一项困难的搜索任务,排除了对线索项目的持续注意。搜索任务的增加并没有使提示效应的大小显著降低。在一项补充测试中,通过同时在VWM中对保留的对象进行优先排序,搜索效率不会受到影响。结果表明VWM中的选择性维持可以与视觉注意中心分离。
In four experiments, we tested whether sustained visual attention is required for the selective maintenance of objects in VWM. Participants performed a color change-detection task. During the retention interval, a valid cue indicated the item that would be tested. Change detection performance was higher in the valid-cue condition than in a neutral-cue control condition. To probe the role of visual attention in the cuing effect, on half of the trials, a difficult search task was inserted after the cue, precluding sustained attention on the cued item. The addition of the search task produced no observable decrement in the magnitude of the cuing effect. In a complementary test, search efficiency was not impaired by simultaneously prioritizing an object for retention in VWM. The results demonstrate that selective maintenance in VWM can be dissociated from the locus of visual attention.
DOI: 10.1523/jneurosci.1339-10.2011
发表时间: 2011-01-12
期刊: The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子: --
作者:
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