2026-04-20 ヒューストン大学（UH）
＜関連情報＞
- https://www.uh.edu/news-events/stories/2026/april/04202026-memory-tamber-roseanau-consolidation.php
- https://link.springer.com/article/10.3758/s13414-026-03236-5
ワーキングメモリの統合は、中枢神経系の処理に依存するのか？ Does working memory consolidation rely on central processing?
Brandon J. Carlos,Lindsay A. Santacroce & Benjamin J. Tamber-Rosenau
Attention, Perception, & Psychophysics Published:11 March 2026
DOI:https://doi.org/10.3758/s13414-026-03236-5
Abstract
Working memory (WM) consolidation is the preservation of perceptual information to insulate it from distraction. A decision task following WM sample presentation retroactively disrupts consolidation, apparently regardless of whether the WM sample and decision task rely on the same representational formats. Critically, this representational-format-general interference suggests that consolidation entails “central” executive domain-general processing. However, the evidence for central interference is weak because verbal recoding of nonverbal samples is thought to be ubiquitous in WM. Typical decision tasks used to evoke interference also entail verbal materials, making it possible that the observed interference is really a product of competition for “peripheral” phonological storage resources. Moreover, some WM models suggest a direct connection between perceptual mechanisms and storage, without direct access of central processes to format-specific storage. Thus, it remains unknown whether WM consolidation entails central executive processing or could have a purely storage-buffer (verbal) locus. The current study embedded an established task to measure WM consolidation and its interruption by a decision task within a further within-participants 2 × 2 factorial design, using different WM sample and decision task representational format pairings in each task block. This allowed measurement of central processing contributions to consolidation (cross-format blocks), and evaluation of potential additional interference in format-specific storage buffers (same-format blocks). Interference in cross-format pairings did not increase for same-format pairings, supporting the view that WM consolidation is dependent on central processing. Subject-level data have been made publicly available on the Open Science Framework and can be accessed at the following link: https://osf.io/p387u/.
