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- W2891786664 abstract "Visual working memory (VWM) distinguishes between representations relevant for imminent versus future perceptual goals. We investigated how the brain sequentially prioritizes visual working memory representations that serve consecutive tasks. Observers remembered two targets for a sequence of two visual search tasks, thus making one target currently relevant, and the other prospectively relevant. We show that during the retention interval prior to the first search, lateralized parieto-occipital EEG alpha (8-14 Hz) suppression is stronger for current compared with prospective search targets. Crucially, between the first and second search task, this difference in posterior alpha lateralization reverses, reflecting the change in priority states of the two target representations. Connectivity analyses indicate that this switch in posterior alpha lateralization is driven by frontal delta/low-theta (2-6 Hz) activity. Moreover, this frontal low-frequency signal also predicts task performance after the switch. We thus obtained evidence for large-scale network interactions underlying the flexible shifting between the priority states of multiple memory representations in VWM." @default.
- W2891786664 created "2018-09-27" @default.
- W2891786664 creator A5021505586 @default.
- W2891786664 creator A5028257885 @default.
- W2891786664 creator A5034751616 @default.
- W2891786664 creator A5045246394 @default.
- W2891786664 date "2018-09-12" @default.
- W2891786664 modified "2023-10-17" @default.
- W2891786664 title "Priority Switches in Visual Working Memory are Supported by Frontal Delta and Posterior Alpha Interactions" @default.
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- W2891786664 doi "https://doi.org/10.1093/cercor/bhy223" @default.
- W2891786664 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6188546" @default.
- W2891786664 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30215669" @default.
- W2891786664 hasPublicationYear "2018" @default.
- W2891786664 type Work @default.