Evidence map›Paper›PMID 31290741›Full record

ArticleeLife2019

Task-induced functional brain connectivity mediates the relationship between striatal D2/3 receptors and working memory.

Matthew M Nour, Tarik Dahoun, Robert A McCutcheon, Rick A Adams, Matthew B Wall, Oliver D Howes

Abstract read
In one paragraph

Article in eLife, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
–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 synthesis or guideline pooled it.

  1. Pooled it
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  10. Review
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  12. Lower Dopamine D2/3 Receptor Availability is Associated With Worse Verbal Learning and Memory in People Who Smoke Cigarettes.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2023
    Article
  13. Article
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  15. Article
  16. Article
  17. Multimodal investigation of dopamine DNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2021
    Article
  18. Amyloid-Beta Influences MemoryFrontiers in aging neuroscience · 2021
    Article
  19. 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

6 authors.

Matthew M NourInstitute of Psychiatry, Psychology and Neuroscience (IOPPN), King's College London, London, United Kingdom.ORCID 0000-0003-0858-6184
Tarik DahounMRC London Institute of Medical Sciences (LMS), Hammersmith Hospital, London, United Kingdom.
Robert A McCutcheonInstitute of Psychiatry, Psychology and Neuroscience (IOPPN), King's College London, London, United Kingdom.ORCID 0000-0003-1102-2566
Rick A AdamsInstitute of Cognitive Neuroscience (ICN), University College London, London, United Kingdom.ORCID 0000-0002-7661-8881
Matthew B WallImanova Centre for Imaging Sciences (Invicro Ltd), Hammersmith Hospital, London, United Kingdom.
Oliver D HowesInstitute of Psychiatry, Psychology and Neuroscience (IOPPN), King's College London, London, United Kingdom.ORCID 0000-0002-2928-1972

Funding

Academy of Medical Sciences AMS-SGCL13-AdamsMedical Research Council G0700995Medical Research Council MC-A656-5QD30Medical Research Council MC_U120097115Medical Research Council MR/L022176/1Medical Research Council MR/N026063/1Medical Research Council MR/N027078/1
6 · The paper itself

Abstract

Working memory performance is thought to depend on both striatal dopamine 2/3 receptors (D2/3Rs) and task-induced functional organisation in key cortical brain networks. Here, we combine functional magnetic resonance imaging and D2/3R positron emission tomography in 51 healthy volunteers, to investigate the relationship between working memory performance, task-induced default mode network (DMN) functional connectivity changes, and striatal D2/3R availability. Increasing working memory load was associated with reduced DMN functional connectivity, which was itself associated with poorer task performance. Crucially, the magnitude of the DMN connectivity reduction correlated with striatal D2/3R availability, particularly in the caudate, and this relationship mediated the relationship between striatal D2/3R availability and task performance. These results inform our understanding of natural variation in working memory performance, and have implications for understanding age-related cognitive decline and cognitive impairments in neuropsychiatric disorders where dopamine signalling is altered.

Indexed as

Memory, Short-TermAdultCorpus StriatumFemaleHealthy VolunteersHumansMagnetic Resonance ImagingMaleNerve NetNeuronsPositron-Emission TomographyReceptors, Dopamine D2Young AdultReceptors, Dopamine D2dorsal attention networkfrontoparietal networkhumanneuroscienceParkinson's diseaseschizophreniatask negative network

Identifiers

PMID31290741
PMCPMC6620042

What OpenQuestion holds

Textmetadata
LicenceCC BY
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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.