“Is mommy brain real?” It’s a question many new moms ask when they misplace their keys for the third time or forget what they walked into the room for.
What is mommy brain?
The term “mommy brain” has long been used to describe memory lapses or cognitive fog during pregnancy and early motherhood. But the truth behind the phrase may surprise you.
While many mothers report experiencing brain fog, scientific studies tell a more complex — and more empowering — story. Research finds that any cognitive changes in mothers are very small and often insignificant when compared to non-mothers. In fact, motherhood brings cognitive gains, not losses.
How long does mommy brain last?
Neurologically, a mother’s brain undergoes profound changes during pregnancy and postpartum. These changes are similar to those seen in adolescence — a period called matrescence which has effects that could last up to six years. Both are driven by hormonal shifts that enhance the brain’s ability to adapt to new demands. For moms, this means sharpened attention, heightened emotional awareness, and increased learning—especially around caregiving and child-related tasks.
Studies even suggest that pregnant women may develop better long-term memory and an enhanced ability to focus on things related to their babies. Rather than a decline, motherhood represents a powerful phase of brain development.
So, is mommy brain real? Yes, but not in the way you think. It’s not about losing mental sharpness. It’s about gaining a new kind of intelligence tailored to parenting. It’s time we reframe “mommy brain” as a symbol of strength, adaptability, and neuroplasticity — not forgetfulness.
Let’s ditch the old myths and celebrate the remarkable transformation happening in a mother’s mind. After all, motherhood is not just life-changing… it’s brain-changing, too!
One way to celebrate and support the brain-health of ourselves as mothers and other moms in our life? By making a delicious brain-healthy meal for our loved ones. Check out our favorite nutritional recipes for Mother’s Day (and beyond!) here.
Get more brain-healthy tips direct to your email inbox
Sign up for the Brain Docs newsletter for weekly recipes, brain teasers, neuroscience facts, podcast updates, and more — for free!
The 30-Day Alzheimer’s Solution
Our book is the definitive food and lifestyle guide for preventing cognitive decline.
Order it today from all major retailers.
