Evidence map›Paper›PMID 25995467›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2015

Cortical thinning explains changes in sleep slow waves during adulthood.

Jonathan Dubé, Marjolaine Lafortune, Christophe Bedetti, Maude Bouchard, Jean François Gagnon, Julien Doyon, Alan C Evans, Jean-Marc Lina, Julie Carrier

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers.

0numbers the graph read from it
0cells of the map it votes in
88citing papers in PubMed
3.8field-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

88 citing papers in PubMed, 151 citations in OpenAlex.

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  14. Lower slow wave sleep and rapid eye movement sleep are associated with brain atrophy of Alzheimer's disease-vulnerable regions.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2025
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  15. Impact of Alzheimer's disease on sleep in adults with Down syndrome.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Article
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28 more citing papers are in PubMed but not listed here.

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

9 authors at 5 institutions in 1 country.

Jonathan DubéDepartment of Psychology, Université de Montréal, Montréal H2V 2S9, Canada, Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Cœur de Montréal, Montréal H4J 1C5, Canada, Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montréal H3W 1W4, Canada.
Marjolaine LafortuneCenter for Advanced Research in Sleep Medicine, Hôpital du Sacré-Cœur de Montréal, Montréal H4J 1C5, Canada.
Christophe BedettiCenter for Advanced Research in Sleep Medicine, Hôpital du Sacré-Cœur de Montréal, Montréal H4J 1C5, Canada, Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montréal H3W 1W4, Canada.
Maude BouchardDepartment of Psychology, Université de Montréal, Montréal H2V 2S9, Canada, Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Cœur de Montréal, Montréal H4J 1C5, Canada, Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montréal H3W 1W4, Canada.
Jean François GagnonCenter for Advanced Research in Sleep Medicine, Hôpital du Sacré-Cœur de Montréal, Montréal H4J 1C5, Canada, Department of Psychology, Université du Québec à Montréal, Montréal H2L 2C4, Canada.
Julien DoyonDepartment of Psychology, Université de Montréal, Montréal H2V 2S9, Canada, Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montréal H3W 1W4, Canada.
Alan C EvansMontreal Neurological Institute, McGill University, Montréal H3A 2B4, Canada.
Jean-Marc LinaDepartment of Electrical Engineering, École de Technologie Supérieure, Montréal H3C 1K3, Canada, and Centre de Recherches Mathématiques, Université de Montréal, Montréal H3C 1K3, Canada.
Julie CarrierDepartment of Psychology, Université de Montréal, Montréal H2V 2S9, Canada, Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Cœur de Montréal, Montréal H4J 1C5, Canada, Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montréal H3W 1W4, Canada, julie.carrier.1@umontreal.ca.ORCID http://orcid.org/0000-0001-5311-2370
Institut Universitaire de Gériatrie de Montréal · CAHôpital du Sacré-Cœur de Montréal · CAMontreal Neurological Institute and Hospital · CAUniversité de Montréal · CAUniversité du Québec à Montréal · CA

Funding

Canadian Institutes of Health Research 93733
6 · The paper itself

Abstract

Sleep slow waves (SWs) change considerably throughout normal aging. In humans, SWs are generated and propagate on a structural backbone of highly interconnected cortical regions that form most of the default mode network, such as the insula, cingulate cortices, temporal lobe, parietal lobe, and medial frontal lobe. Regions in this network undergo cortical thinning and breakdown in structural and functional connectivity over the course of normal aging. In this study, we investigated how changes in cortical thickness (CT), a measure of gray matter integrity, are involved in modifications of sleep SWs during adulthood in humans. Thirty young (mean age = 23.49 years; SD = 2.79) and 33 older (mean age = 60.35 years; SD = 5.71) healthy subjects underwent a nocturnal polysomnography and T1 MRI. We show that, when controlling for age, higher SW density (nb/min of nonrapid eye movement sleep) was associated with higher CT in cortical regions involved in SW generation surrounding the lateral fissure (insula, superior temporal, parietal, middle frontal), whereas higher SW amplitude was associated with higher CT in middle frontal, medial prefrontal, and medial posterior regions. Mediation analyses demonstrated that thinning in a network of cortical regions involved in SW generation and propagation, but also in cognitive functions, explained the age-related decrease in SW density and amplitude. Altogether, our results suggest that microstructural degradation of specific cortical regions compromise SW generation and propagation in older subjects, critically contributing to age-related changes in SW oscillations.

Indexed as

Brain WavesSleepAdultAgedCerebral CortexFemaleHumansMaleMiddle AgedWhite Matteragingcortical thicknesselectroencephalographyhumanssleepslow waves

Identifiers

PMID25995467
PMCPMC6795194
OpenAlexW1590813564

What OpenQuestion holds

Textmetadata
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.