The impact of retro-cue validity on working memory representation : Evidence from electroencephalograms
Fu, X., Ye, C., Hu, Z., Li, Z., Liang, T., & Liu, Q. (2022). The impact of retro-cue validity on working memory representation : Evidence from electroencephalograms. Biological psychology, 170, Article 108320. https://doi.org/10.1016/j.biopsycho.2022.108320
Published inBiological psychology
© 2022 Elsevier B.V. All rights reserved.
Visual working memory (VWM) performance can be improved by retrospectively cueing an item. The validity of retro-cues has an impact on the mechanisms underlying the retro-cue effect, but how non-cued representations are handled under different retro-cue validity conditions is not yet clear. Here, we used electroencephalograms to investigate whether retro-cue validity can affect the fate of non-cued representations in VWM. The participants were required to perform a change-detection task using a retro-cue with 80% or 20% validity. Contralateral delay activity and the lateralized alpha power were used to assess memory storage and selective attention, respectively. The retro-cue could redirect selective attention to the cued item under both validity conditions; however, the participants maintained the non-cued representations under the low-validity condition but dropped them from VWM under the high-validity condition. These results suggest that the maintenance of non-cued representations in VWM is affected by the expectation of cue validity and may be partially strategically driven. ...
Dataset(s) related to the publicationhttps://osf.io/qtwc9/
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Related funder(s)Academy of Finland
Funding program(s)Postdoctoral Researcher, AoF
Additional information about fundingThis work was supported by grants from the National Natural Science Foundation of China (No. 31970989), China, to Qiang Liu, the Academy of Finland (No. 333649), Finland, to Chaoxiong Ye, and from the program of China Scholarship Council (CSC202008210294), China, to Xueying Fu. The funders had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript. ...
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