01/20/2026
For a long time, motherhood was treated as something soft and temporary. Pregnancy research focused on the fetus. Postpartum research focused on pathology (depression, anxiety, etc).
But Dr. Pilyoung Kim asked a different question:
What if the maternal brain isn't deteriorating—what if it's adapting?
Using neuroimaging, she studied women before pregnancy, during pregnancy, and after childbirth.
Here's what she found:
Your brain reorganizes. Regions tied to emotional processing, empathy, threat detection, and executive function show measurable structural changes. Gray matter shifts. Neural networks strengthen. Sensitivity to social cues increase.
It's specialization, not damage.
Just like adolescent brains rewire for independence, maternal brains rewire for caregiving. The changes are targeted and purposeful.
And they last. Years later, mothers' brains still show distinct patterns compared to women who have never given birth.
This helps explain what so many mothers feel things they can't put into words.
Why you sense danger before it appears. Why you hold the emotional state of your entire household in your mind. Why early motherhood feels so overwhelming.
So, whenever you're feeling this way, remember that it's your brain remodeling itself for caregiving.
It's giving you more. Not less. 💙
Did you find this interesting as well? Let me know in the comments!