Cited by 516Functional Brain Connectivity StudiesAdvanced MRI Techniques and ApplicationsAdvanced Neuroimaging Techniques and Applications

On the stability of BOLD fMRI correlations

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Laumann, Timothy O., Snyder, Abraham Z., Mitra, Anish, Gordon, Evan M., Gratton, Caterina, Adeyemo, Babatunde, Gilmore, Adrian W., Nelson, Steven M. +8 more·2016·Cerebral Cortex

Abstract

Measurement of correlations between brain regions (functional connectivity) using blood oxygen level dependent (BOLD) fMRI has proven to be a powerful tool for studying the functional organization of the brain. Recently, dynamic functional connectivity has emerged as a major topic in the resting-state BOLD fMRI literature. Here, using simulations and multiple sets of empirical observations, we confirm that imposed task states can alter the correlation structure of BOLD activity. However, we find that observations of "dynamic" BOLD correlations during the resting state are largely explained by sampling variability. Beyond sampling variability, the largest part of observed "dynamics" during rest is attributable to head motion. An additional component of dynamic variability during rest is attributable to fluctuating sleep state. Thus, aside from the preceding explanatory factors, a single correlation structure-as opposed to a sequence of distinct correlation structures-may adequately describe the resting state as measured by BOLD fMRI. These results suggest that resting-state BOLD correlations do not primarily reflect moment-to-moment changes in cognitive content. Rather, resting-state BOLD correlations may predominantly reflect processes concerned with the maintenance of the long-term stability of the brain's functional organization.

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  1. Henze N. 2002. Invariant test for multivariate normality: a crit- ical review. Stat Papers. 43:467-506.
  2. Malenka RC, Bear MF. 2004. LTP and LTD: an embarrassment of riches. Neuron. 44(1):5-21.

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Authors
Laumann, T. O., Snyder, A. Z., Mitra, A., Gordon, E. M., Gratton, C., Adeyemo, B., Gilmore, A. W., Nelson, S. M., Berg, J. J., Greene, D. J., McCarthy, J. E., Tagliazucchi, E., Laufs, H., Schlaggar, B. L., Dosenbach, N. U. F., & Petersen, S. E.
Affiliations
  • Washington University in St. Louis (US)
  • The University of Texas at Dallas (US)
  • Goethe University Frankfurt (DE)
Corresponding author
Laumann, Timothy O.
Venue
Cerebral Cortex
Published
2016-09-02
Volume
27
Issue
10
Pages
4719-4732
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2516718464
Cited by
516
References
95
Citations by year
2026: 17 · 2025: 28 · 2024: 43 · 2023: 49 · 2022: 44 · 2021: 62 · 2020: 60 · 2019: 64 · 2018: 74 · 2017: 68 · 2016: 6 · 2015: 1
FWCI
44.97
Type
journal article
Language
en
Open access
Locations
  • Cerebral Cortex (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CONICET Digital (CONICET) (submittedVersion, cc-by-nc-sa)
Funders
  • Intellectual and Developmental Disabilities Research Center (P30 HD062171, U54 HD087011)
  • Mallinckrodt Institute of Radiology Pilot Grant (NUFD)
  • Child Neurology Foundation Scientific Research Award (NUFD) (NS088590, NSF GRFP DGE1143954, NSF-DMS1300280)
  • Bundesministerium für Bildung und Forschung (01EV0703)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
Keywords
resting-state functional connectivity, dynamic functional connectivity, BOLD fMRI, sampling variability, head movement, brain functional organization
MeSH terms
Adult, Brain, Brain Mapping, Cerebrovascular Circulation, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Neural Pathways, Oxygen, Rest, Young Adult

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