Cited by 351Functional Brain Connectivity StudiesNeural dynamics and brain functionComplex Network Analysis Techniques

Exploring the network dynamics underlying brain activity during rest

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Cabral, Joana, Kringelbach, Morten L., Deco, Gustavo·2014·Progress in Neurobiology

Abstract

Since the mid 1990s, the intriguing dynamics of the brain at rest has been attracting a growing body of research in neuroscience. Neuroimaging studies have revealed distinct functional networks that slowly activate and deactivate, pointing to the existence of an underlying network dynamics emerging spontaneously during rest, with specific spatial, temporal and spectral characteristics. Several theoretical scenarios have been proposed and tested with the use of large-scale computational models of coupled brain areas. However, a mechanistic explanation that encompasses all the phenomena observed in the brain during rest is still to come. In this review, we provide an overview of the key findings of resting-state activity covering a range of neuroimaging modalities including fMRI, EEG and MEG. We describe how to best define and analyze anatomical and functional brain networks and how unbalancing these networks may lead to problems with mental health. Finally, we review existing large-scale models of resting-state dynamics in health and disease. An important common feature of resting-state models is that the emergence of resting-state functional networks is obtained when the model parameters are such that the system operates at the edge of a bifurcation. At this critical working point, the global network dynamics reveals correlation patterns that are spatially shaped by the underlying anatomical structure, leading to an optimal fit with the empirical BOLD functional connectivity. However, new insights coming from recent studies, including faster oscillatory dynamics and non-stationary functional connectivity, must be taken into account in future models to fully understand the network mechanisms leading to the resting-state activity.

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Crossref · 10.1016/j.pneurobio.2013.12.005

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  • This conceptualization incorporates the understanding of whole brain networks as dynamic entities whose activity and connectivity shift with situational demands.

    “this conceptualization takes into account our increasing understanding of these whole brain networks as dynamic entities, with patterns of activity and connectivity (both within-network and with other networks) shifting as required by ever-changing situational demands (Cabral, Kringelbach, & Deco, 2014;Shine et al., 2016).”

    From Mental Time Travel? A Neurocognitive Model of Event Simulation. (2020) · cites this paper as Cabral, Kringelbach, & Deco, 2014

  • Our conclusions are tempered by questions about the origins and significance of correlated fluctuations in the BOLD fMRI signal.

    “Like other studies focused on measures of functional connectivity, our conclusions are tempered by questions about the origins and significance of correlated fluctuations in the blood-oxygen-level dependent (BOLD) fMRI signal61-63.”

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Research works printed but not linked: 1

  1. Wedeen, V.J., Davis, T.L., Weisskoff, R.M., Toottell, R., Rosen, B.R., Belliveau, J.W., 1995. White matter connectivity explored by MRI. In: Proceedings of the First International Conference for Functional Mapping of the Human Brain, Paris, p. P1.

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Authors
Cabral, J., Kringelbach, M. L., & Deco, G.
Affiliations
  • Universitat Pompeu Fabra (ES)
  • Aarhus University (DK)
  • Institució Catalana de Recerca i Estudis Avançats (ES)
Corresponding author
Cabral, Joana
Venue
Progress in Neurobiology
Publisher
Elsevier BV
Published
2014-03
Volume
114
Pages
102-131
ISSN
0301-0082 (ISSN-L)
OpenAlex
W1973272857
Cited by
351
References
254
Citations by year
2026: 14 · 2025: 24 · 2024: 35 · 2023: 25 · 2022: 29 · 2021: 28 · 2020: 28 · 2019: 25 · 2018: 33 · 2017: 34 · 2016: 27 · 2015: 35 · 2014: 14
FWCI
3.54
Type
journal article
Language
en
Open access
Locations
  • Progress in Neurobiology (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • RECERCAT (Consorci de Serveis Universitaris de Catalunya) (publishedVersion, other-oa)
  • Repositori digital de la UPF (Universitat Pompeu Fabra) (submittedVersion, cc-by-nc-nd)
Funders
ERC Advanced Grant DYSTRUCTURE (295129)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Complex Network Analysis Techniques
Keywords
resting-state brain activity, network dynamics, functional brain networks, bifurcation, criticality, EEG, MEG, functional MRI, oscillatory dynamics, mental health
MeSH terms
Animals, Brain, Humans, Neural Pathways, Rest, Nonlinear Dynamics, Neuroimaging

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