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November 1, 2025Cerebral Cortex

Distinct and overlapping neural representations of refreshing versus refocusing during working memory maintenance

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BKBO-CHENG KUO

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Overview

Functional magnetic resonance imaging reveals distinct neural effects of attention in working memory, suggesting that refocusing and refreshing engage overlapping and specific brain areas.

Key Points

  • This research examines the neural representations involved in refreshing versus refocusing during working memory maintenance.
  • Functional magnetic resonance imaging was used to study brain activity during working memory tasks.
  • Participants performed cue-variant WM tasks involving retro-cue, refresh-cue, and no-cue conditions.
  • Analyses included univariate, multivariate, and functional connectivity approaches to interpret brain activation patterns.
  • Distinct and overlapping activations were identified in the ventral occipitotemporal and posterior brain regions.
  • Retro cues influenced representational patterns more in the prefrontal cortex, while refresh cues impacted the parietal cortices.
  • Functional connectivity analyses showed correlations between the prefrontal cortex and visual areas for both cues.

Cite This Study

BO-CHENG KUO (2025) studied this question.

synapsesocial.com/papers/6925437fc0ce034ddc358d3ehttps://doi.org/10.1093/cercor/bhaf303
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