Cited by 807Functional Brain Connectivity StudiesAdvanced Neuroimaging Techniques and ApplicationsComplex Network Analysis Techniques

Changes in structural and functional connectivity among resting-state networks across the human lifespan

Betzel, Richard F., Byrge, Lisa, He, Ye, Goñi, Joaquín, Zuo, Xi-Nian, Sporns, Olaf·2014·NeuroImage

Abstract

At rest, the brain's sensorimotor and higher cognitive systems engage in organized patterns of correlated activity forming resting-state networks. An important empirical question is how functional connectivity and structural connectivity within and between resting-state networks change with age. In this study we use network modeling techniques to identify significant changes in network organization across the human lifespan. The results of this study demonstrate that whole-brain functional and structural connectivity both exhibit reorganization with age. On average, functional connections within resting-state networks weaken in magnitude while connections between resting-state networks tend to increase. These changes can be localized to a small subset of functional connections that exhibit systematic changes across the lifespan. Collectively, changes in functional connectivity are also manifest at a system-wide level, as components of the control, default mode, saliency/ventral attention, dorsal attention, and visual networks become less functionally cohesive, as evidenced by decreased component modularity. Paralleling this functional reorganization is a decrease in the density and weight of anatomical white-matter connections. Hub regions are particularly affected by these changes, and the capacity of those regions to communicate with other regions exhibits a lifelong pattern of decline. Finally, the relationship between functional connectivity and structural connectivity also appears to change with age; functional connectivity along multi-step structural paths tends to be stronger in older subjects than in younger subjects. Overall, our analysis points to age-related changes in inter-regional communication unfolding within and between resting-state networks.

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Crossref · 10.1016/j.neuroimage.2014.07.067

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Authors
Betzel, R. F., Byrge, L., He, Y., Goñi, J., Zuo, X.-N., & Sporns, O.
Affiliations
  • Indiana University Bloomington (US)
  • Chinese Academy of Sciences (CN)
Corresponding author
Sporns, Olaf
Venue
NeuroImage
Publisher
Elsevier BV
Published
2014-11
Volume
102
Pages
345-357
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2090495290
Cited by
807
References
95
Citations by year
2026: 35 · 2025: 72 · 2024: 75 · 2023: 76 · 2022: 86 · 2021: 97 · 2020: 83 · 2019: 59 · 2018: 76 · 2017: 62 · 2016: 45 · 2015: 39 · 2014: 2
FWCI
27.51
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Repository of Institute of Psychology, Chinese Academy of Sciences (Institute of Psychology, Chinese Academy of Sciences) (submittedVersion)
Funders
  • National Science Foundation/Integrative Graduate Education and Research Traineeship Training Program in the Dynamics of Brain–Body–Environment Systems (0903495)
  • National Science Foundation
  • JS McDonnell Foundation (22002082)
  • Chinese Academy of Sciences (KSZD-EW-TZ-002)
  • National Natural Science Foundation of China (81171409, 81220108014)
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
resting-state networks, functional connectivity, structural connectivity, aging, brain network reorganization, hub regions, white matter connections, network modularity, default mode network, dorsal attention network, control network, visual network, interregional communication
MeSH terms
Adolescent, Adult, Aged, Aged, 80 and over, Aging, Brain, Brain Mapping, Child, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Middle Aged, Models, Neurological, Nerve Net, Rest, Young Adult, Diffusion Tensor Imaging

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