Interactions between visual working memory representations.
Interactions between visual working memory representations.
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DOI：
10.3758/s13414-017-1404-8
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发表时间：
2017-11
期刊：
影响因子：
--
通讯作者：
Luck SJ
中科院分区：
文献类型：
--
作者：
Bae GY;Luck SJ
我们研究了不同对象的表征是在工作记忆中独立维持还是相互作用。研究人员向观察者展示了两个顺序呈现的方向，并要求他们在一段时间后重现每一个方向。顺序呈现最小化了感知交互，因此我们可以隔离记忆表征本身之间的交互。我们发现相似的方向相互排斥，而不同的方向相互吸引。此外，当一个项目通过提示获得更高的注意优先级时，高优先级项目的表征受低优先级项目的定向影响不大，但低优先级项目的表征受到高优先级项目的定向的强烈影响。这表明注意调节了工作记忆表征之间的相互作用。此外，在某些条件下，两个物体方向的错误报告呈正相关，这表明不同物体的表征可能在记忆中被组合在一起。总之，这些结果表明，WM表征不是独立的，而是以一种依赖于注意优先级的方式相互作用。
We investigated whether the representations of different objects are maintained independently in working memory or interact with each other. Observers were shown two sequentially presented orientations and required to reproduce each orientation after a delay. The sequential presentation minimized perceptual interactions so that we could isolate interactions between memory representations per se. We found that similar orientations were repelled from each other whereas dissimilar orientations were attracted to each other. In addition, when one of the items was given greater attentional priority by means of a cue, the representation of the high-priority item was not influenced very much by the orientation of the low-priority item, but the representation of the low-priority item was strongly influenced by the orientation of the high-priority item. This indicates that attention modulates the interactions between working memory representations. In addition, errors in the reported orientations of the two objects were positively correlated under some conditions, suggesting that representations of distinct objects may become grouped together in memory. Together, these results demonstrate that WM representations are not independent but instead interact with each other in a manner that depends on attentional priority.
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影响因子：
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