Why Can't I Recall Memories or Find the Right Words as Quickly Anymore During Perimenopause — Is Cortisol to Blame?

You’re in the middle of a sentence, telling a story you’ve told a dozen times, and the perfect word just… vanishes. It’s right there, on the tip of your tongue, but your brain can’t seem to grab it.

Yes, the stress hormone cortisol is very likely a key player. During perimenopause, your body is under more stress from hormonal shifts, poor sleep, and life itself. This can lead to chronically elevated cortisol, which research suggests may interfere with your brain's memory center, the hippocampus, causing frustrating perimenopause memory recall issues.

Is It Just a Feeling, or Is My Brain Actually Slower?

It's not in your head. And it’s not just you. For years, I thought I was losing my mind, but the fog I was feeling was very real. Researchers are finally catching up to what so many of us have been experiencing for decades. Studies confirm that the cognitive changes during this time are objectively measurable. Research from the University of Rochester found that perimenopause can particularly affect a woman’s ability to learn and hold on to new information, along with her working memory — that "mental juggling" we do all day. (University of Rochester Medicine, 2024)

It’s not about getting older, either. This is specific to the transition. One long-term study that followed women from age 42 to 52 found that those entering perimenopause didn't see the same improvements in verbal memory over time as the women who were still premenopausal. (Dementia Insights, N/A) So, that feeling of slow thinking perimenopause brings, where you can't find the right word as quickly as you used to? There’s data to back that up. It's a real physiological shift.

Why Are Perimenopause Memory Recall Issues So Tied to Stress?

Here’s the thing no one really prepared me for: perimenopause itself is a massive stressor on the body. The night sweats wrecking your sleep, which can have profound effects on how quickly your cells seem to age, the mood swings that come out of nowhere, often tied to a disrupted gut-serotonin-melatonin pathway, the sudden exhaustion — each of these symptoms is a source of physical stress. Your body doesn't know the difference between stress from a looming work deadline and stress from being woken up five times by a hot flash. It just reacts.

Because of that, the body's stress response system can get stuck in the "on" position. A major 2023 scientific review directly connected subjective cognitive problems in perimenopause to menopausal symptoms and various stress exposures. (Cognitive Problems in Perimenopause, 2023) It’s a cycle: the symptoms cause stress, and the stress can make the symptoms feel worse. On top of that, we're often in our 40s and 50s, juggling careers, aging parents, and kids. It’s a perfect storm for chronic stress, and one of the first places it shows up is in our cognitive function, highlighting the direct link between high cortisol and cognitive function and the struggle with perimenopause memory recall issues.

How Does Cortisol Actually Affect Perimenopause Memory Recall Issues?

Think of your brain's memory hub, the hippocampus, as a highly organized librarian. Its job is to file new memories and retrieve old ones efficiently. Cortisol is the body's main stress hormone. In short bursts, it’s helpful — it gives you the focus and energy to handle a threat. But when stress is chronic, you get a slow, steady drip of cortisol all day long.

This constant exposure to high cortisol isn't great for the brain's librarian. Established research suggests that prolonged cortisol can interfere with how the hippocampus functions, making it harder for it to form and access memories. (PubMed, N/A) It’s like the librarian is constantly being interrupted and can't find the right file. That’s why you might struggle to recall a name or a specific word — the information is there, but the retrieval system is temporarily bogged down. It's not a failure on your part; it's a physiological response to an overwhelming amount of stress.

What This Means for You

First, take a deep breath. You are not broken, and you are not alone in dealing with perimenopause memory recall issues. The fact that major institutions like the National Institutes of Health (NIH) are funding long-term studies like SWAN (Study of Women's Health Across the Nation) shows that this is finally being taken seriously. (NIH, 2026)

Understanding the link between stress, cortisol, and your brain fog is the first step. It shifts the focus from "What's wrong with me?" to "What can I do to support my body through this?" It means that managing stress, whether through lifestyle changes or targeted support like GloSerene, isn't a luxury — it's a fundamental part of navigating this transition. It could be a five-minute walk, deep breathing exercises, or finally saying "no" to something. The point isn't to add another overwhelming task to your list, but to see that small, consistent acts of stress management can be a powerful tool for supporting your cognitive wellness.

Written by Emma | Last Updated: 2027-08-18

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