Cited by 224Functional Brain Connectivity StudiesAdvanced MRI Techniques and ApplicationsMind wandering and attention

Test-retest reproducibility of the default-mode network in healthy individuals

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Meindl, Thomas, Teipel, Stefan, Elmouden, Rachid, Mueller, Sophia, Koch, Walter, Dietrich, Olaf, Coates, Ute, Reiser, Maximilian +1 more·2010·Human Brain Mapping

Abstract

Independent component analysis (ICA) of functional magnetic resonance imaging (fMRI) time-series reveals distinct coactivation patterns in the resting brain representing spatially coherent spontaneous fluctuations of the fMRI signal. Among these patterns, the so-called default-mode network (DMN) has been attributed to the ongoing mental activity of the brain during wakeful resting state. Studies suggest that many neuropsychiatric diseases disconnect brain areas belonging to the DMN. The potential use of the DMN as functional imaging marker for individuals at risk for these diseases, however, requires that the components of the DMN are reproducible over time in healthy individuals. In this study, we assessed the reproducibility of the DMN components within and between imaging sessions in 18 healthy young subjects (mean age, 27.5 years) who were scanned three times with two resting state scans during each session at 3.0 T field strength. Statistical analysis of fMRI time-series was done using ICA implemented with BrainVoyager QX. At all three sessions the essential components of the DMN could be identified in each individual. Spatial extent of DMN activity and size of overlap within and between sessions were most reproducible for the anterior and posterior cingulate gyrus. The degree of reproducibility of the DMN agrees with the degree of reproducibility found with motor paradigms. We conclude that DMN coactivation patterns are reproducible in healthy young subjects. Therefore, these data can serve as basis to further explore the effects of aging and neuropsychiatric diseases on the DMN of the brain.

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Authors
Meindl, T., Teipel, S., Elmouden, R., Mueller, S., Koch, W., Dietrich, O., Coates, U., Reiser, M., & Glaser, C.
Affiliations
  • Ludwig-Maximilians-Universität München (DE)
  • University of Rostock (DE)
Venue
Human Brain Mapping
Publisher
Wiley
Published
2009-07-20
Volume
31
Issue
2
Pages
237-246
ISSN
  • 1065-9471 (ISSN-L)
  • 1097-0193
OpenAlex
W2082137112
Cited by
220
References
35
Citations by year
2026: 3 · 2024: 5 · 2023: 5 · 2022: 5 · 2021: 17 · 2020: 7 · 2019: 33 · 2018: 4 · 2017: 18 · 2016: 8 · 2015: 12 · 2014: 23 · 2013: 18 · 2012: 22
FWCI
10.00
Type
journal article
Language
en
Open access
Locations
  • Human Brain Mapping (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Mind wandering and attention
Keywords
default mode network, test-retest reproducibility, resting-state fMRI, independent component analysis, spontaneous brain activity, anterior cingulate cortex, posterior cingulate cortex, healthy young adults
MeSH terms
Adult, Brain, Brain Mapping, Female, Gyrus Cinguli, Humans, Magnetic Resonance Imaging, Male, Motor Activity, Neural Pathways, Neuropsychological Tests, Signal Processing, Computer-Assisted, Software, Reproducibility of Results, Young Adult

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