Cited by 302Functional Brain Connectivity StudiesDementia and Cognitive Impairment ResearchAlzheimer's disease research and treatments

The Default Mode Network in Healthy Aging and Alzheimer′s Disease

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Mevel, Katell, Chételat, Gaël, Eustache, Francis, Desgranges, Béatrice·2011·International Journal of Alzheimer’s Disease

Abstract

In the past decade, a “default mode network” (DMN) has been highlighted in neuroimaging studies as a set of brain regions showing increased activity in task‐free state compared to cognitively demanding task, and synchronized activity at rest. Changes within this network have been described in healthy aging as well as in Alzheimer′s disease (AD) and populations at risk for AD, that is, amnestic Mild Cognitive Impairment (aMCI) patients and APOE‐ ε 4 carriers. This is of particular interest in the context of early diagnosis and more generally for our understanding of the physiopathological mechanisms of AD. This paper gives an overview of the anatomical and physiological characteristics of this network as well as its relationships with cognition, before focusing on changes in the DMN over normal aging and Alzheimer′s disease. While perturbations of the DMN have been consistently reported, especially within the posterior cingulate, further studies are needed to understand their clinical implication.

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  1. [50]Shulman GL Corbetta M Fiez JA Searching for activations that generalize over tasks Human Brain Mapping 1997 5 4 317 322 20408235

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Authors
Mevel, K., Chételat, G., Eustache, F., & Desgranges, B.
Affiliations
Inserm (FR)
Corresponding author
Desgranges, Béatrice
Venue
International Journal of Alzheimer’s Disease
Publisher
Wiley
Published
2011-01
Volume
2011
Issue
1
Pages
535816-535816
ISSN
  • 2090-0252 (ISSN-L)
  • 2090-8024
OpenAlex
W2017033087
Cited by
302
References
103
Citations by year
2026: 13 · 2025: 24 · 2024: 23 · 2023: 28 · 2022: 26 · 2021: 31 · 2020: 17 · 2019: 24 · 2018: 22 · 2017: 18 · 2016: 20 · 2015: 15 · 2014: 18 · 2013: 13 · 2012: 9
FWCI
6.58
Type
journal article
Language
en
Open access
Locations
  • International Journal of Alzheimer s Disease (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Agence Nationale de la Recherche
  • Institut National de la Santé et de la Recherche Médicale
  • Région Normandie
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
default mode network, healthy aging, Alzheimer's disease, amnestic mild cognitive impairment, APOE ε4 carriers, posterior cingulate cortex, resting-state brain activity, early detection of Alzheimer's disease, cognitive function

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