Cited by 221Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Lifespan brain activity, β-amyloid, and Alzheimer's disease

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Jagust, William J., Mormino, Elizabeth C.·2011·Trends in Cognitive Sciences

Abstract

Alzheimer's disease (AD) is the most common cause of progressive cognitive decline and dementia in adults. While the amyloid cascade hypothesis of AD posits an initiating role for the β-amyloid (Aβ) protein, there is limited understanding of why Aβ is deposited. A growing body of evidence based on in vitro, animal studies and human imaging work suggests that synaptic activity increases Aβ, which is deposited preferentially in multimodal brain regions that show continuous levels of heightened activation and plasticity across the lifespan. Imaging studies of people with genetic predispositions to AD are consistent with these findings, suggesting a mechanism whereby neural efficiency or cognitive reserve may diminish Aβ deposition. The aggregated findings unify observations from cellular and molecular studies with human cognitive neuroscience to reveal potential mechanisms of AD development.

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Crossref · 10.1016/j.tics.2011.09.004

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Authors
Jagust, W. J., & Mormino, E. C.
Affiliations
  • Lawrence Berkeley National Laboratory (US)
  • University of California, Berkeley (US)
Corresponding author
Jagust, William J.
Venue
Trends in Cognitive Sciences
Publisher
Elsevier BV
Published
2011-11
Volume
15
Issue
11
Pages
520-526
ISSN
1364-6613 (ISSN-L)
OpenAlex
W1996496731
Cited by
221
References
74
Citations by year
2026: 8 · 2025: 9 · 2024: 16 · 2023: 12 · 2022: 16 · 2021: 15 · 2020: 12 · 2019: 19 · 2018: 11 · 2017: 14 · 2016: 14 · 2015: 17 · 2014: 29 · 2013: 19 · 2012: 8
FWCI
1.99
Type
journal article
Language
en
Open access
Locations
  • Trends in Cognitive Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (F31AG032814, AG034570, AG032814, R01AG034570)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, amyloid-beta, amyloid hypothesis, synaptic activity, neural efficiency, cognitive reserve, amyloid deposition, cognitive decline, dementia
MeSH terms
Alzheimer Disease, Animals, Brain, Brain Mapping, Cognition Disorders, Humans, Models, Biological, Neurons, Amyloid beta-Peptides

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