Anyone who has experience with menopause would know about the mental and memory difficulties that come with it.
This article talks about a study where these cognitive difficulties of 4 different stages of menopause were measured and found women in the early stages of post menopause performed worse.
Symptoms such as sleep difficulties, depression, and anxiety surprisingly weren’t predictive of memory. Nor were they associated with absolute hormone levels.
The implications being that these problems are normal, temporary and potentially treatable