Examining the Relationship Between Neurosteroids, Cognition, and Menopause With Neuroimaging Methods
Baillie Frizell1, Julie A Dumas2
1Clinical Neuroscience Research Unit, Department of Psychiatry, Robert Larner M.D. College of Medicine, University of Vermont, 1 South Prospect St, Burlington, VT, 05401, USA.
Purpose Of Review:
Previous literature has shown inconsistent findings regarding the effects of neurosteroids on the brain in postmenopausal women. The goal of this paper is to examine how and whether advances in neuroimaging have helped elucidate the relationship between the withdrawal of and/or treatment with neurosteroids and cognition at menopause.
Recent Findings:
Neuroimaging techniques such as structural and functional MRI have been used in recent studies to examine the relationship between neurosteroids and brain structure and functioning. However, the recent literature shows that different formulations of postmenopausal hormones given at different times, through different routes of administration, and in different combinations with progestins result in a variety of relationships with the brain outcomes. We suggest that still further research is needed to understand how the structural changes resulting from estrogen withdrawal or therapy at menopause can influence cognitive functioning. However, imaging studies are time-, resource-, and expertise-intensive. We believe that this information will help uncover the mechanisms and relationships that can aid in the explanation of the individual differences in the effects of menopause on the brain as well as how this menopause-related hormone change influences risk for pathological aging.
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