Cited by 639Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Neuronal loss, neurofibrillary tangles and granulovacuolar degeneration in the hippocampus with ageing and dementia: A quantitative study

Ball, M. J.·1977·Acta Neuropathologica

Abstract

The number of pyramidal neurones in the hippocampal cortex was determined in serially sectioned mesial temporal lobe from brains of 18 mentally normal people, as well as those of 8 demented patients with pathologically confirmed Alzheimer's disease. Normal ageing was accompanied by a gradual loss of neurones, whereas dements' brains showed a much more severe decrease, exceeding that of controls at any age. A high degree of negative exponential correlation was found between the density of neurones/mm3 of cortex and both the number of neurones with neurofibrillary degeneration and the number with granulovacular degeneration. The functional significance of the latter changes is thus probably greater than previously assumed, given the diminished population of surviving neurones in which these alterations appear. Both tangles and granulovacuoles demonstrated a stronger propensity for occurring in the posterior half of the hippocampus in demented patients' brains. This would not have been predicted from the relative distribution of neuronal loss in the two halves. The posterior portion of the hippocampus may be considerably more susceptible to the degenerative nerve cell changes prominent in dementia of the Alzheimer type.

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Crossref · 10.1007/bf00692056

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Authors
Ball, M. J.
Affiliations
Western University (CA)
Corresponding author
Ball, M. J.
Venue
Acta Neuropathologica
Published
1977
Volume
37
Issue
2
Pages
111-118
ISSN
  • 0001-6322 (ISSN-L)
  • 1432-0533
OpenAlex
W2885814572
Cited by
639
References
20
Citations by year
2026: 3 · 2025: 6 · 2024: 8 · 2023: 3 · 2022: 14 · 2021: 7 · 2020: 11 · 2019: 13 · 2018: 7 · 2017: 11 · 2016: 6 · 2015: 13 · 2014: 10 · 2013: 12 · 2012: 11
FWCI
9.18
Type
journal article
Language
en
Open access
closed
Locations
  • Acta Neuropathologica (publishedVersion)
  • PubMed (publishedVersion)
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
neuronal loss, neurofibrillary tangles, granulovacuolar degeneration, hippocampus, Alzheimer's disease, dementia, normal aging, pyramidal neurons, medial temporal lobe, posterior hippocampus, neuronal density
MeSH terms
Aged, Aging, Alzheimer Disease, Cell Count, Dementia, Hippocampus, Humans, Middle Aged, Nerve Degeneration, Neurofibrils, Neurons

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