Cited by 670Functional Brain Connectivity StudiesNeural dynamics and brain functionAdvanced Neuroimaging Techniques and Applications

The DOI matches its Crossref record; 76 of the 76 references it cites were found in a registry or an index.

Signature of consciousness in the dynamics of resting-state brain activity

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Barttfeld, Pablo, Uhrig, Lynn, Sitt, Jacobo D., Sigman, Mariano, Jarraya, Béchir, Dehaene, Stanislas·2015·Proceedings of the National Academy of Sciences

Abstract

Significance: What are the origins of resting-state functional connectivity patterns? One dominating view is that they index ongoing cognitive processes. However, this conclusion is in conflict with studies showing that long-range functional connectivity persists after loss of consciousness, possibly reflecting structural connectivity maps. In this work we respond to this question showing that in fact both sources have a clear and separable contribution to resting-state patterns. We show that under anesthesia, the dominating functional configurations have low information capacity and lack negative correlations. Importantly, they are rigid, tied to the anatomical map. Conversely, wakefulness is characterized by the dynamical exploration of a rich, flexible repertoire of functional configurations. These dynamical properties constitute a signature of consciousness.

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Metadata

Authors
Barttfeld, P., Uhrig, L., Sitt, J. D., Sigman, M., Jarraya, B., & Dehaene, S.
Affiliations
  • Inserm (FR)
  • Centre National de la Recherche Scientifique (FR)
  • Universidad Torcuato Di Tella (AR)
Venue
Proceedings of the National Academy of Sciences
Published
2015-01-05
Volume
112
Issue
3
Pages
887-892
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2094377986
Cited by
670
References
76
Citations by year
2026: 30 · 2025: 72 · 2024: 54 · 2023: 62 · 2022: 63 · 2021: 69 · 2020: 55 · 2019: 53 · 2018: 65 · 2017: 57 · 2016: 57 · 2015: 33
FWCI
42.52
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CONICET Digital (CONICET) (submittedVersion, cc-by-nc-sa)
Funders
  • James S. McDonnell Foundation
  • Institut National de la Santé et de la Recherche Médicale
  • Consejo Nacional de Investigaciones Científicas y Técnicas
  • Fondation Roger de Spoelberch
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
Keywords
consciousness, resting-state brain activity, anesthesia, structural connectivity, small-world property, negative correlation, long-range correlations, wakefulness, monkeys
MeSH terms
Animals, Brain, Brain Mapping, Consciousness, Macaca mulatta, Magnetic Resonance Imaging

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