Evidence map›Paper›PMID 34650039›Full record

ArticleNature communications2021

The ascending arousal system shapes neural dynamics to mediate awareness of cognitive states.

Brandon R Munn, Eli J Müller, Gabriel Wainstein, James M Shine

Abstract read
In one paragraph

Article in Nature communications, 2021. 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
–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

88 citing papers in PubMed.

  1. Article
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  4. Metabolic Brain Disorders: Prodromes, Symptoms, and Syndromes.International journal of molecular sciences · 2026
    Review
  5. Review
  6. Cortical synchrony is reduced in Alzheimer's disease and relates to arousal state.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
  7. Review
  8. Article
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  19. Article
  20. Article

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

4 authors.

Brandon R Munn *Complex Systems Research Group, The University of Sydney, Sydney, NSW, Australia. brandon.munn@sydney.edu.au.ORCID 0000-0002-3638-1605
Eli J Müller *Complex Systems Research Group, The University of Sydney, Sydney, NSW, Australia.
Gabriel WainsteinComplex Systems Research Group, The University of Sydney, Sydney, NSW, Australia.ORCID 0000-0002-8106-6647
James M ShineComplex Systems Research Group, The University of Sydney, Sydney, NSW, Australia. mac.shine@sydney.edu.au.ORCID 0000-0003-1762-5499

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Models of cognitive function typically focus on the cerebral cortex and hence overlook functional links to subcortical structures. This view does not consider the role of the highly-conserved ascending arousal system's role and the computational capacities it provides the brain. We test the hypothesis that the ascending arousal system modulates cortical neural gain to alter the low-dimensional energy landscape of cortical dynamics. Here we use spontaneous functional magnetic resonance imaging data to study phasic bursts in both locus coeruleus and basal forebrain, demonstrating precise time-locked relationships between brainstem activity, low-dimensional energy landscapes, network topology, and spatiotemporal travelling waves. We extend our analysis to a cohort of experienced meditators and demonstrate locus coeruleus-mediated network dynamics were associated with internal shifts in conscious awareness. Together, these results present a view of brain organization that highlights the ascending arousal system's role in shaping both the dynamics of the cerebral cortex and conscious awareness.

Indexed as

ArousalCognitionNeural PathwaysAdolescentAdultAgedAttentionBasal ForebrainBrainBrain StemFemaleHumansLocus CoeruleusMagnetic Resonance ImagingMaleMiddle Aged

Identifiers

PMID34650039
PMCPMC8516926

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.