Evidence map›Paper›PMID 28820674›Full record

ArticleJournal of cognitive neuroscience2017

Restoration of fMRI Decodability Does Not Imply Latent Working Memory States.

Sebastian Schneegans, Paul M Bays

Abstract read
In one paragraph

Article in Journal of cognitive neuroscience, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing 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

25 citing papers in PubMed.

  1. Article
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  7. Review
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  11. Article
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  15. Article
  16. Review
  17. Article
  18. Working memory prioritization impacts neural recovery from distraction.Cortex; a journal devoted to the study of the nervous system and behavior · 2019
    Article
  19. The what, where and how of delay activity.Nature reviews. Neuroscience · 2019
    Review
  20. 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

2 authors.

Sebastian SchneegansUniversity of Cambridge.
Paul M BaysUniversity of Cambridge.

Funding

Wellcome Trust 091806Wellcome Trust 106926
6 · The paper itself

Abstract

Recent imaging studies have challenged the prevailing view that working memory is mediated by sustained neural activity. Using machine learning methods to reconstruct memory content, these studies found that previously diminished representations can be restored by retrospective cueing or other forms of stimulation. These findings have been interpreted as evidence for an activity-silent working memory state that can be reactivated dependent on task demands. Here, we test the validity of this conclusion by formulating a neural process model of working memory based on sustained activity and using this model to emulate a spatial recall task with retro-cueing. The simulation reproduces both behavioral and fMRI results previously taken as evidence for latent states, in particular the restoration of spatial reconstruction quality following an informative cue. Our results demonstrate that recovery of the decodability of an imaging signal does not provide compelling evidence for an activity-silent working memory state.

Indexed as

Magnetic Resonance ImagingModels, NeurologicalAlgorithmsBrainCerebrovascular CirculationCuesHumansMental RecallOxygenSpatial MemoryOxygen

Identifiers

PMID28820674
PMCPMC5889105

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.