The menstrual rhythm of the brain

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In the female brain, regions important for memory and perception are remodeled in the course of the menstrual cycle

Zsido and Sacher examined female brains not just at one point in time, but at si
Zsido and Sacher examined female brains not just at one point in time, but at six points across the menstrual cycle. © MPI CBS
Central learning and memory hubs change in response to sex hormones. A new study in Nature Mental Health by Rachel Zsido and Julia Sacher of the Max Planck Institute for Human Cognitive and Brain Sciences and the University Clinic in Leipzig, Germany, links rhythmic oscillations in ovarian hormone levels in women during the menstrual cycle to changes in brain structure.

Ovarian hormones have significant effects on the brain, and early menopause may be associated with an increased risk of accelerated brain aging and dementia later in life. However, the effects of ovarian hormone fluctuations on brain structure earlier in life are less defined. ...
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