Evidence map›Paper›PMID 33223922›Full record

ArticleVisual cognition2020

Theoretical distinction between functional states in working memory and their corresponding neural states.

Mark G Stokes, Paul S Muhle-Karbe, Nicholas E Myers

Abstract read
In one paragraph

Article in Visual cognition, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed.

  1. Article
  2. Article
  3. Novel Verbal Instructions Recruit Abstract Neural Patterns of Time-Variable Information Dimensionality.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
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  4. Review
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  19. A Hierarchy of Functional States in Working Memory.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Mark G StokesWellcome Centre for Integrative Neuroimaging and Department of Experimental Psychology, University of Oxford, Oxford, UK.
Paul S Muhle-KarbeWellcome Centre for Integrative Neuroimaging and Department of Experimental Psychology, University of Oxford, Oxford, UK.
Nicholas E MyersWellcome Centre for Integrative Neuroimaging and Department of Experimental Psychology, University of Oxford, Oxford, UK.ORCID https://orcid.org/0000-0001-5599-3044

Funding

Wellcome Trust 201409/Z/16/ZWellcome Trust 210849/Z/18/Z
6 · The paper itself

Abstract

Working memory (WM) is important for guiding behaviour, but not always for the next possible action. Here we define a WM item that is currently relevant for guiding behaviour as the functionally "active" item; whereas items maintained in WM, but not immediately relevant to behaviour, are defined as functionally "latent". Traditional neurophysiological theories of WM proposed that content is maintained via persistent neural activity (e.g., stable attractors); however, more recent theories have highlighted the potential role for "activity-silent" mechanisms (e.g., short-term synaptic plasticity). Given these somewhat parallel dichotomies, functionally active and latent cognitive states of WM have been associated with storage based on persistent-activity and activity-silent neural mechanisms, respectively. However, in this article we caution against a one-to-one correspondence between functional and activity states. We argue that the principal theoretical requirement for active and latent WM is that the corresponding neural states play qualitatively different functional roles. We consider a number of candidate solutions, and conclude that the neurophysiological mechanisms for functionally active and latent WM items are theoretically independent of the distinction between persistent activity-based and activity-silent forms of WM storage.

Indexed as

activity-silentlatent information storageWorking memory

Identifiers

PMID33223922
PMCPMC7655036

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.