ArticleCerebral cortex (New York, N.Y. : 1991)2024
Local and interareal alpha and low-beta band oscillation dynamics underlie the bilateral field advantage in visual working memory.
Article in Cerebral cortex (New York, N.Y. : 1991), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Distinct neural oscillations predict individual differences in feedback-guided cognitive flexibility.Cerebral cortex (New York, N.Y. : 1991) · 2026Article
- Inter-Hemispheric Coordination and Ageing in Visual Working Memory: A Distributed Framework.Brain sciences · 2026Review
- Neural signatures of auditory distraction and cognitive demand during working memory performance.Frontiers in neuroscience · 2026Article
- A multichannel MEG time-frequency analysis framework for detecting stage -specific effects of spatial distraction in visual-spatial working memory.Frontiers in neuroscience · 2026Article
- Top-down selection of visual working memory contents is supported by alpha-band phase-synchronized oscillatory networks.Imaging neuroscience (Cambridge, Mass.) · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
Visual working memory has a limited maximum capacity, which can be larger if stimuli are presented bilaterally vs. unilaterally. However, the neuronal mechanisms underlying this bilateral field advantage are not known. Visual working memory capacity is predicted by oscillatory delay-period activity, specifically, by a decrease in alpha (8 to 12 Hz) band amplitudes in posterior brain regions reflecting attentional deployment and related shifts in excitation, as well as a concurrent increase of prefrontal oscillation amplitudes and interareal synchronization in multiple frequencies reflecting active maintenance of information. Here, we asked whether posterior alpha suppression or prefrontal oscillation enhancement explains the bilateral field advantage. We recorded brain activity with high-density electroencephalography, while subjects (n = 26, 14 males) performed a visual working memory task with uni- and bilateral visual stimuli. The bilateral field advantage was associated with early suppression of low-alpha (6 to 10 Hz) and alpha-beta (10 to 17 Hz) band amplitudes, and a subsequent alpha-beta amplitude increase, which, along with a concurrent load-dependent interareal synchronization in the high-alpha band (10 to 15 Hz), correlated with hit rates and reaction times and thus predicted higher maximum capacities in bilateral than unilateral visual working memory. These results demonstrate that the electrophysiological basis of the bilateral field advantage in visual working memory is both in the changes in attentional deployment and enhanced interareal integration.
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