Evidence map›Paper›PMID 32447224›Full record

ArticleSleep medicine2020

Shorter sleep duration is associated with lower GABA levels in the anterior cingulate cortex.

Shinwon Park, Ilhyang Kang, Richard A E Edden, Eun Namgung, Jinsol Kim, Jungyoon Kim

Open access · greenAbstract read
In one paragraph

Article in Sleep medicine, 2020. 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
3.7field-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, 50 citations in OpenAlex.

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  10. Mechanism of the anterior cingulate cortex in sleep regulation.Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2024
    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

6 authors at 2 institutions in 2 countries.

Shinwon ParkEwha Brain Institute, Ewha W. University, Seoul, South Korea.
Ilhyang KangEwha Brain Institute, Ewha W. University, Seoul, South Korea.
Richard A E EddenRussell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA; F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, USA.
Eun NamgungEwha Brain Institute, Ewha W. University, Seoul, South Korea.
Jinsol KimEwha Brain Institute, Ewha W. University, Seoul, South Korea; Department of Brain and Cognitive Sciences, Ewha W. University, Seoul, South Korea.
Jungyoon KimEwha Brain Institute, Ewha W. University, Seoul, South Korea; Department of Brain and Cognitive Sciences, Ewha W. University, Seoul, South Korea. Electronic address: jungyoon.kimm@ewha.ac.kr.
Ewha Womans University · KRKennedy Krieger Institute · US

Funding

TR&D 4: Algorithms for functional and anatomical brain analysisP41EB015909 · NIBIB · HUGO W. MOSER RES INST KENNEDY KRIEGER · PI VAN ZIJL, PETER CM · 2012 to 2020
$13.1M
Universal GABA-edited MRS at 3TR01EB016089 · NIBIB · JOHNS HOPKINS UNIVERSITY · PI Richard Anthony Edward Edden · 2013 to 2026
$5.4M
Simultaneous Hadamard Editing of GABA and GlutathioneR01EB023963 · NIBIB · JOHNS HOPKINS UNIVERSITY · PI EDDEN, RICHARD ANTHONY EDWARD · 2017 to 2024
$3.8M
NIBIB NIH HHS P41 EB015909NIBIB NIH HHS R01 EB016089NIBIB NIH HHS R01 EB023963
6 · The paper itself

Abstract

backgroundAlterations in the levels of gamma-aminobutyric acid (GABA) and glutamate + glutamine (Glx), which are major inhibitory and excitatory neurotransmitters, respectively, are frequently associated with insomnia. Previous reports also suggested the involvement of the anterior cingulate cortex (ACC) and medial prefrontal cortex (mPFC) in insomnia and shorter sleep duration. In the current study, we investigated whether the GABA and Glx levels were altered in the ACC/mPFC in subclinical insomnia while focusing on the sleep duration.

methodsWe examined levels of GABA and Glx in the ACC/mPFC of the brain with magnetic resonance spectroscopy in 166 individuals with subjective sleep complaints but without a diagnosis of insomnia. Participants were divided into two groups according to sleep duration (≥6 h/night: n = 79 vs. < 6 h/night: n = 74), which was measured using a wrist-worn actigraphy. Working memory function and overall subjective sleep quality were assessed with a computerized neuropsychological test and self-report questionnaire, respectively.

resultsGABA levels in the ACC/mPFC were lower in the shorter sleep duration group relative to the longer sleep duration group (t = -2.21, p = 0.03). Glx levels did not differ between the two groups (t = -0.20, p = 0.84). Lower GABA levels were associated with lower spatial working memory performance in the shorter sleep duration group (β = -0.21, p = 0.03), but not the longer sleep duration group (β = 0.04, p = 0.72).

conclusionShorter sleep duration was associated with lower GABA levels in the ACC/mPFC. These findings may provide insight into the underlying mechanisms of impaired working memory function related to insomnia and sleep loss.

Indexed as

GlutamineGyrus Cinguligamma-Aminobutyric AcidGlutamic AcidHumansPrefrontal CortexSleepgamma-Aminobutyric AcidGlutamic AcidGlutamineAnterior cingulate cortexGamma-aminobutyric acidMagnetic resonance spectroscopyMedial prefrontal cortexSleep durationWorking memory function

Identifiers

PMID32447224
PMCPMC7302996
OpenAlexW3008612701

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.