Cited by 187Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsAging and Gerontology Research

Ageing of the brain

Anderton, Brian H·2002·Mechanisms of Ageing and Development

Abstract

The brains of individuals who are cognitively normal show age-related changes that include an overall reduction in the brain volume and weight and enlargement of the brain ventricles. These changes are partly the result of nerve cell loss but accurate estimates of neuronal loss are notoriously difficult to make. There is loss of synapses and dendritic pruning in the aged brain but in selected areas rather than globally. Neurofibrillary tangles and senile plaques are the neuropathological hallmark of Alzheimer's disease in which they are more abundant and widespread than in the brains of intellectually intact elderly people. Alzheimer's disease has, therefore, been regarded as accelerated brain ageing, however, since there is a strong genetic contribution to developing the disease it implies that it may not be the inevitable, even if frequent, consequence of old age. The interplay between genetic and environmental factors probably determines the degree of pathological brain ageing and whether or not individuals develop dementia.

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Crossref · 10.1016/s0047-6374(01)00426-2

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  • A sizable percentage of non-demented elderly have plaques.

    “Decades of clinical-pathological correlative studies, now corroborated by a decade of neuroimaging studies, also demonstrate a sizable percentage of the non-demented elderly have plaques [40, 51, 54, 55, 58–68].”

    From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [40]

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Authors
Anderton, B. H.
Affiliations
King's College London (GB)
Corresponding author
Anderton, Brian H
Venue
Mechanisms of Ageing and Development
Publisher
Elsevier BV
Published
2002-04
Volume
123
Issue
7
Pages
811-817
ISSN
0047-6374 (ISSN-L)
OpenAlex
W2028366530
Cited by
187
References
50
Citations by year
2026: 9 · 2025: 4 · 2024: 7 · 2023: 8 · 2022: 15 · 2021: 11 · 2020: 14 · 2019: 9 · 2018: 6 · 2017: 4 · 2016: 7 · 2015: 8 · 2014: 6 · 2013: 17 · 2012: 10
FWCI
1.18
Type
journal article
Language
en
Open access
closed
Locations
  • Mechanisms of Ageing and Development (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
  • Wellcome Trust
  • Medical Research Council
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Aging and Gerontology Research
Keywords
brain aging, brain atrophy, ventriculomegaly, neuronal loss, synaptic loss, dendritic pruning, neurofibrillary tangles, amyloid plaques, Alzheimer's disease, dementia, genetic risk factors, environmental factors
MeSH terms
Aging, Alzheimer Disease, Brain, Humans

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