Cited by 416Functional Brain Connectivity StudiesDementia and Cognitive Impairment ResearchComplex Network Analysis Techniques

Alzheimer's disease: connecting findings from graph theoretical studies of brain networks

Tijms, Betty M., Wink, Alle Meije, de Haan, Willem, van der Flier, Wiesje M., Stam, Cornelis J., Scheltens, Philip, Barkhof, Frederik·2013·Neurobiology of Aging

Abstract

The interrelationships between pathological processes and emerging clinical phenotypes in Alzheimer's disease (AD) are important yet complicated to study, because the brain is a complex network where local disruptions can have widespread effects. Recently, properties in brain networks obtained with neuroimaging techniques have been studied in AD with tools from graph theory. However, the interpretation of graph alterations remains unclear, because the definition of connectivity depends on the imaging modality used. Here we examined which graph properties have been consistently reported to be disturbed in AD studies, using a heuristically defined "graph space" to investigate which theoretical models can best explain graph alterations in AD. Findings from structural and functional graphs point to a loss of highly connected areas in AD. However, studies showed considerable variability in reported group differences of most graph properties. This suggests that brain graphs might not be isometric, which complicates the interpretation of graph measurements. We highlight confounding factors such as differences in graph construction methods and provide recommendations for future research.

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Crossref · 10.1016/j.neurobiolaging.2013.02.020

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  • Inconsistencies in connectome findings are a well-known issue in the literature and often reflect differences in methodology such as imaging modality and/or choice of thresholding method.

    “Inconsistencies in connectome findings are a well-known issue in the literature (for reviews, see Dai & He, 2014; Tijms, Wink et al., 2013) and often reflect differences in methodology such as imaging modality and/or choice of thresholding method.”

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Authors
Tijms, B. M., Wink, A. M., de Haan, W., van der Flier, W. M., Stam, C. J., Scheltens, P., & Barkhof, F.
Affiliations
Amsterdam UMC Location Vrije Universiteit Amsterdam (NL)
Corresponding author
Tijms, Betty M.
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2013-08
Volume
34
Issue
8
Pages
2023-2036
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2087938247
Cited by
416
References
135
Citations by year
2026: 17 · 2025: 23 · 2024: 29 · 2023: 18 · 2022: 27 · 2021: 39 · 2020: 33 · 2019: 30 · 2018: 49 · 2017: 41 · 2016: 38 · 2015: 36 · 2014: 30 · 2013: 5 · 2012: 1
FWCI
3.11
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion)
  • Amsterdam UMC (VU Amsterdam) - Institutional Repository (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
Alzheimer Nederland and Stichting VUmc fonds
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Complex Network Analysis Techniques
Keywords
Alzheimer's disease, brain networks, graph theory, structural connectivity, functional connectivity, graph space, graph construction, network topology, clinical phenotype
MeSH terms
Alzheimer Disease, Brain, Electroencephalography, Humans, Magnetic Resonance Imaging, Models, Theoretical, Nerve Net, Magnetoencephalography, Neuroimaging

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