Cited by 373Functional Brain Connectivity StudiesNeural dynamics and brain functionAdvanced Neuroimaging Techniques and Applications

Reconfigurable task-dependent functional coupling modes cluster around a core functional architecture

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Krienen, Fenna M., Yeo, B. T. Thomas, Buckner, Randy L.·2014·Philosophical Transactions of the Royal Society B Biological Sciences

Abstract

Functional coupling across distributed brain regions varies across task contexts, yet there are stable features. To better understand the range and central tendencies of network configurations, coupling patterns were explored using functional MRI (fMRI) across 14 distinct continuously performed task states ranging from passive fixation to increasingly demanding classification tasks. Mean global correlation profiles across the cortex ranged from 0.69 to 0.82 between task states. Network configurations from both passive fixation and classification tasks similarly predicted task coactivation patterns estimated from meta-analysis of the literature. Thus, even across markedly different task states, central tendencies dominate the coupling configurations. Beyond these shared components, distinct task states displayed significant differences in coupling patterns in response to their varied demands. One possibility is that anatomical connectivity provides constraints that act as attractors pulling network configurations towards a limited number of robust states. Reconfigurable coupling modes emerge as significant modifications to a core functional architecture.

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  • A globally efficient, integrated network architecture supports fast, effective computation throughout the cognitive processing stream, potentially through facilitation of parallel processing.

    “Together, these results suggest that a globally efficient, integrated network architecture supports fast, effective computation throughout the cognitive processing stream (Krienen et al., 2014), potentially through the facilitation of parallel processing mechanisms (Sigman and Dehaene, 2008).”

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Authors
Krienen, F. M., Yeo, B. T. T., & Buckner, R. L.
Affiliations
  • Harvard University (US)
  • National University of Singapore (SG)
Corresponding author
Buckner, Randy L.
Venue
Philosophical Transactions of the Royal Society B Biological Sciences
Published
2014-10-05
Volume
369
Issue
1653
Pages
20130526
ISSN
  • 0962-8436 (ISSN-L)
  • 1471-2970
OpenAlex
W2061662249
Cited by
372
References
81
Citations by year
2026: 21 · 2025: 22 · 2024: 33 · 2023: 33 · 2022: 37 · 2021: 41 · 2020: 34 · 2019: 41 · 2018: 34 · 2017: 27 · 2016: 26 · 2015: 17 · 2014: 5
FWCI
13.83
Type
journal article
Language
en
Open access
Locations
  • Philosophical Transactions of the Royal Society B Biological Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (1s10rr019307-01, 1s10rr021110-01a1)
  • National Institute of Biomedical Imaging and Bioengineering (P41EB015896)
  • National Center for Research Resources (S10RR023401)
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
functional coupling, brain network reconfiguration, cortical functional connectivity, task state, classification tasks
MeSH terms
Adult, Brain, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Nerve Net, Perception, Physical Stimulation, Psychomotor Performance, Word Association Tests, Cluster Analysis, Linear Models, Connectome

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