ArticleiScience2026
Bridging chunks during complex movement sequence execution.
Article in iScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Suturing maneuvers and technical insufficiencies in microvascular anastomosis dry laboratory training analyzed with the skill decomposition approach.Surgical neurology international · 2026Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Executing complex movement sequences from memory is crucial for skillful motor actions such as musical performance and sports. While chunking helps memorization during practice, transitions between chunks may become vulnerable during execution. Here, we developed a novel paradigm combining chunked motor sequence memorization with online sensory perturbation to show that perturbations at chunk junctions induced larger errors than those within chunks and increased pupil diameter, reflecting elevated attentional load. Subsequent training focusing on bridging chunk junctions improved performance stability, as evidenced by reduced force variability during perturbation. EEG data further revealed elevated frontal theta power in response to perturbation, indicating greater cognitive effort. Critically, this disruption was reduced after training, suggesting more efficient memory retrieval. Together, these findings underscore the vulnerability of motor sequence retrieval at chunk junctions and highlight the potential of targeted training to stabilize execution and reduce cognitive load.
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Registered trials
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