Evidence map›Paper›PMID 34223958›Full record

ArticleExperimental brain research2021

Gamma oscillations modulate working memory recall precision.

Lyall Thompson, Janine Khuc, Maria Silvia Saccani, Nahid Zokaei, Marinella Cappelletti

Open access · hybridAbstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Experimental brain research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 3 pooled it
3.4field-weighted citation impact, top 7% of its field
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, 3 syntheses or guidelines pooled it, 44 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Trial
  5. Article
  6. Enhancing working memory in MCI: Modulating alpha-gamma coupling and gamma oscillations via rTMS.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025
    Article
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  9. Review
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  14. Causal functional maps of brain rhythms in working memory.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  15. Article
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  17. Review
  18. Article
  19. Astrocytic modulation of neuronal signalling.Frontiers in network physiology · 2023
    Review
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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

5 authors at 3 institutions in 1 country.

Lyall ThompsonDepartment of Psychology, Goldsmiths, University of London, Lewisham Way, London, SE14 6NW, UK.
Janine KhucDepartment of Psychology, Goldsmiths, University of London, Lewisham Way, London, SE14 6NW, UK.
Maria Silvia SaccaniDepartment of Psychology, Goldsmiths, University of London, Lewisham Way, London, SE14 6NW, UK.
Nahid ZokaeiDepartment of Experimental Psychology, South Parks Road, Oxford, OX1 3UD, UK.
Marinella CappellettiDepartment of Psychology, Goldsmiths, University of London, Lewisham Way, London, SE14 6NW, UK. m.cappelletti@gold.ac.uk.ORCID http://orcid.org/0000-0002-2580-2355
Goldsmiths University of London · GBQueen Mary University of London · GBUniversity of Oxford · GB

Funding

BIAL Foundation 293/18The British Academy SG090611
6 · The paper itself

Abstract

Working memory (WM)-the ability to keep information in mind for short periods of time-is linked to attention and inhibitory abilities, i.e., the capacity to ignore task-irrelevant information. These abilities have been associated with brain oscillations, especially parietal gamma and alpha bands, but it is yet unknown whether these oscillations also modulate attention and inhibitory abilities. To test this, we compared parietal gamma-transcranial alternating current stimulation (tACS) to alpha-tACS and to a non-stimulation condition (Sham) in 51 young participants. Stimulation was coupled with a WM task probing memory-based attention and inhibitory abilities by means of probabilistic retrospective cues, including informative (valid), uninformative (invalid) and neutral. Our results show that relative to alpha and sham stimulation, parietal gamma-tACS significantly increased working memory recall precision. Additional post hoc analyses also revealed strong individual variability before and following stimulation; low-baseline performers showed no significant changes in performance following both gamma and alpha-tACS relative to sham. In contrast, in high-baseline performers gamma- (but not alpha) tACS selectively and significantly improved misbinding-feature errors as well as memory precision, particularly in uninformative (invalid) cues which rely more strongly on attentional abilities. We concluded that parietal gamma oscillations, therefore, modulate working memory recall processes, although baseline performance may further influence the effect of stimulation.

Indexed as

Memory, Short-TermTranscranial Direct Current StimulationAttentionHumansMental RecallRetrospective StudiesAttentionGamma oscillationsInhibitiontACSWorking memory

Identifiers

PMID34223958
PMCPMC8448714
OpenAlexW3178012982

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.