对侧延迟活动作为视觉工作记忆的一种神经测量指标。
The contralateral delay activity as a neural measure of visual working memory.
作者信息
Luria Roy, Balaban Halely, Awh Edward, Vogel Edward K
机构信息
The School of Psychological Sciences, Tel Aviv University, 6997801, Israel; The Sagol School of Neuroscience, Tel Aviv University, 6997801, Israel.
The School of Psychological Sciences, Tel Aviv University, 6997801, Israel; The Sagol School of Neuroscience, Tel Aviv University, 6997801, Israel.
出版信息
Neurosci Biobehav Rev. 2016 Mar;62:100-8. doi: 10.1016/j.neubiorev.2016.01.003. Epub 2016 Jan 21.
The contralateral delay activity (CDA) is a negative slow wave sensitive to the number of objects maintained in visual working memory (VWM). In recent years, a growing number of labs started to use the CDA in order to investigate VWM, leading to many fascinating discoveries. Here, we discuss the recent developments and contribution of the CDA in various research fields. Importantly, we report two meta-analyses that unequivocally validate the relationship between the set-size increase in the CDA amplitude and the individual VWM capacity, and between the CDA and filtering efficiency. We further discuss how the CDA was used to study the role of VWM in visual search, multiple object tracking, grouping, binding, and whether VWM capacity allocation is determined by the items' resolution or instead by the number of objects regardless of their complexity. In addition, we report how the CDA has been used to characterize specific VWM deficits in special populations.
对侧延迟活动（CDA）是一种对视觉工作记忆（VWM）中保持的物体数量敏感的负向慢波。近年来，越来越多的实验室开始使用CDA来研究VWM，从而有了许多引人入胜的发现。在此，我们讨论CDA在各个研究领域的最新进展和贡献。重要的是，我们报告了两项荟萃分析，它们明确验证了CDA振幅的集合大小增加与个体VWM容量之间以及CDA与过滤效率之间的关系。我们进一步讨论了CDA如何被用于研究VWM在视觉搜索、多目标跟踪、分组、绑定中的作用，以及VWM容量分配是由项目的分辨率决定，还是由物体数量决定而不论其复杂性如何。此外，我们报告了CDA如何被用于表征特殊人群中特定的VWM缺陷。
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