I just googled ‘Anastrozole and cognitive function’ and a lot of information came up. I reviewed many of these articles. You can also google ‘memory with Anastrozole’, ‘how low estrogen effects memory’, etc. I found a lot information with just general searches. There was one in particular that was from early 2019 that described my situation very well, but of course... I can’t find it again!! If anybody else comes across information regarding memory and low estrogen, please post! My doctor switched me to exemestane about 2 weeks ago and so far so good!! I haven’t experienced ANY side effects! But it’s likely too early to tell if side effects are in my future with this drug also...