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Hormonal effects on the brain

C S Woolley1, P A Schwartzkroin

  • 1Department of Neurobiology and Physiology, Northwestern University, Evanston, Illinois 60208, USA.

Epilepsia
|January 23, 1999
PubMed
Summary
This summary is machine-generated.

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Catamenial epilepsy, or seizures linked to the menstrual cycle, may be influenced by ovarian hormones. Estrogen, in particular, can alter hippocampal neurons, potentially increasing seizure susceptibility.

Area of Science:

  • Neuroscience
  • Endocrinology
  • Epilepsy Research

Background:

  • Catamenial epilepsy, characterized by cyclical changes in seizure frequency, is a recognized phenomenon.
  • Ovarian steroid hormones, including estrogen, exert significant effects on brain function.
  • Estrogen's impact on hippocampal neurons is implicated in altering seizure susceptibility.

Purpose of the Study:

  • To review the mechanisms by which steroid hormones influence brain function.
  • To emphasize the specific effects of estrogen on the hippocampus in the context of epilepsy.

Main Methods:

  • Review of findings from animal models studying steroid hormone mechanisms.
  • Focus on estrogen's neurobiological effects, particularly within the hippocampus.

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Main Results:

  • Estrogen can induce structural and functional modifications in hippocampal neurons.
  • These estrogen-induced neuronal changes are hypothesized to increase seizure susceptibility.

Conclusions:

  • Steroid hormones, especially estrogen, play a role in the neurobiology of catamenial epilepsy.
  • Understanding estrogen's hippocampal effects is crucial for investigating epilepsy mechanisms.