Preliminary evidence that estrogen protects against age-related hippocampal atrophy

J. L. Eberling, C. Wu, M. N. Haan, Dan M Mungas, M. Buonocore, W. J. Jagust

Research output: Contribution to journalArticlepeer-review

88 Scopus citations


Few studies have examined gender differences in hippocampal volumes, and the potential effect of estrogen on these measures has not been well studied. We used MRI to measure hippocampal volumes in elderly Mexican American men and women subjects in order to determine if there were gender differences and if estrogen replacement therapy (ERT) had an effect on hippocampal volume in postmenopausal women. MRI measures of hippocampal volumes (normalized to intracranial volume) were compared in 59 women and 38 men. Further comparisons were made between men subjects, women subjects taking ERT, and women subjects not taking ERT. There were no significant effects of gender on normalized hippocampal volumes. However, women subjects taking ERT had larger right hippocampal volumes than women subjects not taking ERT and larger anterior hippocampal volumes than men subjects and women subjects not taking ERT. These findings suggest a neuroprotective effect of estrogen.

Original languageEnglish (US)
Pages (from-to)725-732
Number of pages8
JournalNeurobiology of Aging
Issue number5
StatePublished - Sep 2003


  • Estrogen
  • Hippocampus
  • MRI
  • Neuroprotection1

ASJC Scopus subject areas

  • Clinical Neurology
  • Biological Psychiatry
  • Developmental Neuroscience
  • Neurology
  • Psychology(all)


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