Cited by 135Dementia and Cognitive Impairment ResearchAging and Gerontology ResearchNeurological Disease Mechanisms and Treatments

The DOI matches its Crossref record; 95 of the 96 references it cites were found in a registry or an index.

A review of the structural alterations in the cerebral hemispheres of the aging rhesus monkey

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Peters, Alan, Kemper, Thomas·2012·Neurobiology of Aging

Abstract

Like humans, rhesus monkeys show cognitive decline and this review considers what structural age-related changes underlie this decline. Some structural measures do not alter significantly with age. These include brain weight, overall cortical thickness; numbers of cortical neurons; and numbers of astrocytes and microglial cells. Other structural measures change with age, but the change does not correlate with cognitive decline. These changes include nerve fiber loss from some fiber tracts, degeneration, and regeneration of myelin sheaths, and increase in the frequency of oligodendrocytes. Among the structural measures that increase in frequency with age and also correlate with cognitive decline are the increased frequency of degenerating myelin sheaths and a loss of nerve fibers from some fiber tracts; and the loss of synapses and dendritic spines from upper layers of prefrontal cortex. Consequently, the existing data suggest that cognitive decline correlates with changes in myelinated nerve fibers and with disconnections between and within cortical areas, as reflected by the age-related loss of synapses and of dendritic spines from some cortical areas.

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Crossref · 10.1016/j.neurobiolaging.2011.11.015

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  1. West, 1993, Preserved hippocampal cell number in aged rhesus monkeys with recognition memory deficits, Society for Neuroscience, 19, 599

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Metadata

Authors
Peters, A., & Kemper, T.
Affiliations
Boston University (US)
Corresponding author
Peters, Alan
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2012-10
Volume
33
Issue
10
Pages
2357-2372
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2083634530
Cited by
135
References
96
Citations by year
2026: 6 · 2025: 7 · 2024: 10 · 2023: 14 · 2022: 7 · 2021: 9 · 2020: 10 · 2019: 6 · 2018: 12 · 2017: 6 · 2016: 6 · 2015: 8 · 2014: 15 · 2013: 10 · 2012: 9
FWCI
1.42
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health/ National Aging Institute (5P01 AG 000001 2)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Social Sciences › Psychology › Developmental and Educational Psychology › Aging and Gerontology Research
  • Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
Keywords
aging, rhesus monkeys, cognitive decline, cerebral hemispheres, myelinated axons, myelin degeneration, synaptic loss, dendritic spines, prefrontal cortex, cortical disconnection, oligodendrocytes, astrocytes, microglia, cortical neurons, cortical thickness
MeSH terms
Aging, Animals, Cognition Disorders, Female, Macaca mulatta, Male, Monkey Diseases, Myelin Sheath, Nerve Degeneration, Neuroglia, Neurons, Cerebrum

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