Cited by 73Neural dynamics and brain functionFunctional Brain Connectivity StudiesNeuroscience and Neuropharmacology Research

Origin of slow spontaneous resting-state neuronal fluctuations in brain networks

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Krishnan, Giri P., González, Oscar C., Bazhenov, Maxim·2018·Proceedings of the National Academy of Sciences

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Abstract

Significance: Resting-state infra-slow brain activity fluctuations are observed across various cognitive and disease brain states. Although resting-state fluctuations have received a great deal of interest over the past few years, the underlying biophysical mechanisms are not known. Using computational modeling, we show that spontaneous resting-state fluctuations arise from dynamic ion concentrations and are influenced by the Na + /K + pump, glial K + buffering, and AMPA/GABA synaptic currents. These findings provide insights into the biophysical mechanisms underlying generation of this phenomenon and may lead to better understanding of how different cognitive or disease states influence resting-state activity.

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Authors
Krishnan, G. P., González, O. C., & Bazhenov, M.
Affiliations
  • University of California San Diego (US)
  • Department of Medicine, University of California, San Diego, La Jolla, CA 92093;
Venue
Proceedings of the National Academy of Sciences
Published
2018-06-08
Volume
115
Issue
26
Pages
6858-6863
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2950279742
Cited by
73
References
63
Citations by year
2026: 3 · 2025: 13 · 2024: 4 · 2023: 11 · 2022: 8 · 2021: 11 · 2020: 12 · 2019: 8 · 2018: 3
FWCI
5.05
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • DOD | United States Navy | Office of Naval Research (N000141612829)
  • National Science Foundation (DGE-1326120)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
Na+/K+-ATPase, biophysical mechanisms, brain networks, computational modeling
MeSH terms
K Cl- Cotransporters, Sodium-Potassium-Exchanging ATPase, Brain, Computer Simulation, gamma-Aminobutyric Acid, Humans, Models, Neurological, Nerve Net, Synaptic Transmission, alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid, Symporters

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