Cited by 77Functional Brain Connectivity StudiesAdvanced Neuroimaging Techniques and ApplicationsComplex Network Analysis Techniques

Whole-brain analytic measures of network communication reveal increased structure-function correlation in right temporal lobe epilepsy

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Wirsich, Jonathan, Perry, Alistair, Ridley, Ben, Proix, Timothée, Golos, Mathieu, Bénar, Christian, Ranjeva, Jean-Philippe, Bartolomei, Fabrice +3 more·2016·NeuroImage: Clinical

Abstract

The in vivo structure-function relationship is key to understanding brain network reorganization due to pathologies. This relationship is likely to be particularly complex in brain network diseases such as temporal lobe epilepsy, in which disturbed large-scale systems are involved in both transient electrical events and long-lasting functional and structural impairments. Herein, we estimated this relationship by analyzing the correlation between structural connectivity and functional connectivity in terms of analytical network communication parameters. As such, we targeted the gradual topological structure-function reorganization caused by the pathology not only at the whole brain scale but also both in core and peripheral regions of the brain. We acquired diffusion (dMRI) and resting-state fMRI (rsfMRI) data in seven right-lateralized TLE (rTLE) patients and fourteen healthy controls and analyzed the structure-function relationship by using analytical network communication metrics derived from the structural connectome. In rTLE patients, we found a widespread hypercorrelated functional network. Network communication analysis revealed greater unspecific branching of the shortest path (search information) in the structural connectome and a higher global correlation between the structural and functional connectivity for the patient group. We also found evidence for a preserved structural rich-club in the patient group. In sum, global augmentation of structure-function correlation might be linked to a smaller functional repertoire in rTLE patients, while sparing the central core of the brain which may represent a pathway that facilitates the spread of seizures.

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Authors
Wirsich, J., Perry, A., Ridley, B., Proix, T., Golos, M., Bénar, C., Ranjeva, J.-P., Bartolomei, F., Breakspear, M., Jirsa, V., & Guye, M.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • QIMR Berghofer Medical Research Institute (AU)
  • Inserm (FR)
Corresponding author
Wirsich, Jonathan
Venue
NeuroImage: Clinical
Publisher
Elsevier BV
Published
2016
Volume
11
Pages
707-718
ISSN
2213-1582 (ISSN-L)
OpenAlex
W2401182545
Cited by
77
References
81
Citations by year
2026: 1 · 2025: 5 · 2024: 2 · 2023: 12 · 2022: 9 · 2021: 7 · 2020: 6 · 2019: 6 · 2018: 15 · 2017: 10 · 2016: 4
FWCI
7.42
Type
journal article
Language
en
Open access
Locations
  • NeuroImage Clinical (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • CNRS
  • ANR CONNECTEPI (ANR-07-NEUR-0010)
  • EPI-SODIUM (2014-27)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Complex Network Analysis Techniques
Keywords
right temporal lobe epilepsy, structure-function relationship, structural connectivity, functional connectivity, network communication, rich club, brain network reorganization, seizure propagation, diffusion MRI, resting-state fMRI
MeSH terms
Adult, Brain, Brain Mapping, Epilepsy, Temporal Lobe, Female, Humans, Image Processing, Computer-Assisted, Functional Laterality, Magnetic Resonance Imaging, Male, Middle Aged, Neural Pathways, Oxygen, Diffusion Magnetic Resonance Imaging, Young Adult, Connectome

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