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Cited by 438

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Sex Differences in Brain Aging: A Quantitative Magnetic Resonance Imaging Study

Coffey, C. Edward, Lucke, Joseph F., Saxton, Judith A., Ratcliff, Graham, Unitas, Lori Jo, Billig, Brenda, Bryan, R. Nick·1998·Archives of Neurology

Abstract

BACKGROUND: Little is known about the effect of sex on age-related changes in brain structure. METHODS: Quantitative magnetic resonance imaging of the brain was performed in 330 elderly (age range, 66-96 years) volunteers living independently in the community, all of whom were participants in the Cardiovascular Health Study. Blinded measurements of global and regional brain size were made from T1-weighted axial images by means of computer-assisted edge detection and trace methods. High measurement reliabilities were obtained. RESULTS: Age-specific changes in brain size were significantly greater in men than women for the peripheral (sulcal) cerebrospinal fluid volume, the lateral (sylvian) fissure cerebrospinal fluid volume, and the parieto-occipital region area. Main effects of age were observed for all the remaining brain regions examined (cerebral hemisphere volume, frontal region area, temporoparietal region area, lateral ventricular volume, and third ventricle volume), but these effects were similar in men and women. Asymmetries in brain structures were not affected by aging in either sex. CONCLUSIONS: Our results are generally consistent with the few published studies on sex differences in brain aging and suggest that, for at least some structures, aging effects may be more apparent in men than women. The neurobiological bases and functional correlates of these sex differences require further investigation.

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Metadata

Authors
Coffey, C. E., Lucke, J. F., Saxton, J. A., Ratcliff, G., Unitas, L. J., Billig, B., & Bryan, R. N.
Venue
Archives of Neurology
Published
1998-02-01
Volume
55
Issue
2
Pages
169
ISSN
0003-9942 (ISSN-L)
OpenAlex
W1970677142
Cited by
438
References
1
FWCI
11.67
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Sex Differences in Brain Aging: A Quantitative Magnetic Resonance Imaging Study. https://app.cochat.ai/papers/10.1001/archneur.55.2.169
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Coffey, C. E., Lucke, J. F., Saxton, J. A., Ratcliff, G., Unitas, L. J., Billig, B., & Bryan, R. N. (1998). Sex Differences in Brain Aging: A Quantitative Magnetic Resonance Imaging Study. Archives of Neurology. https://doi.org/10.1001/archneur.55.2.169

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