Cited by 135Functional Brain Connectivity StudiesAdvanced Neuroimaging Techniques and ApplicationsNeural dynamics and brain function

EEG functional connectivity is partially predicted by underlying white matter connectivity

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Chu, C.J., Tanaka, N., Diaz, J., Edlow, B.L., Wu, O., Hämäläinen, M., Stufflebeam, S., Cash, S.S. +1 more·2015·NeuroImage

Abstract

Over the past decade, networks have become a leading model to illustrate both the anatomical relationships (structural networks) and the coupling of dynamic physiology (functional networks) linking separate brain regions. The relationship between these two levels of description remains incompletely understood and an area of intense research interest. In particular, it is unclear how cortical currents relate to underlying brain structural architecture. In addition, although theory suggests that brain communication is highly frequency dependent, how structural connections influence overlying functional connectivity in different frequency bands has not been previously explored. Here we relate functional networks inferred from statistical associations between source imaging of EEG activity and underlying cortico-cortical structural brain connectivity determined by probabilistic white matter tractography. We evaluate spontaneous fluctuating cortical brain activity over a long time scale (minutes) and relate inferred functional networks to underlying structural connectivity for broadband signals, as well as in seven distinct frequency bands. We find that cortical networks derived from source EEG estimates partially reflect both direct and indirect underlying white matter connectivity in all frequency bands evaluated. In addition, we find that when structural support is absent, functional connectivity is significantly reduced for high frequency bands compared to low frequency bands. The association between cortical currents and underlying white matter connectivity highlights the obligatory interdependence of functional and structural networks in the human brain. The increased dependence on structural support for the coupling of higher frequency brain rhythms provides new evidence for how underlying anatomy directly shapes emergent brain dynamics at fast time scales.

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  1. Braitenberg V Schüz A Statistics and Geometry of Neuronal Connectivity Springer Berlin 1998
  2. Eden UT Gale JT Amirnovin R Eskandar EN Characterizing the spiking dynamics of subthalamic nucleus neurons in Parkinson’s disease using generalized linear models Front Integr Neurosci 2012 6 28 22723771 PMC3379030
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Authors
Chu, C. J., Tanaka, N., Diaz, J., Edlow, B. L., Wu, O., Hämäläinen, M., Stufflebeam, S., Cash, S. S., & Kramer, M. A.
Affiliations
  • Harvard University (US)
  • Massachusetts General Hospital (US)
  • Boston University (US)
Corresponding author
Chu, C.J.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2015-03
Volume
108
Pages
23-33
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1997680969
Cited by
135
References
95
Citations by year
2026: 14 · 2025: 8 · 2024: 8 · 2023: 11 · 2022: 15 · 2021: 12 · 2020: 11 · 2019: 22 · 2018: 8 · 2017: 12 · 2016: 9 · 2015: 5
FWCI
4.84
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
Funders
NIH (5K12NS066225)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
EEG functional connectivity, white matter connectivity, structural connectivity, functional networks, source localization, probabilistic tractography, frequency bands, spontaneous cortical activity, neural oscillations, structural-functional correlation
MeSH terms
Adolescent, Brain, Child, Electroencephalography, Female, Humans, Image Processing, Computer-Assisted, Models, Neurological, Neural Pathways, Young Adult, Diffusion Tensor Imaging, White Matter

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