On Point | Podcast The new science of 'dad brain'
Jun 27, 2025
Darby Saxby, a psychology professor at USC and author of 'Dad Brain,' discusses the fascinating changes in men's brains when they become fathers. He explores the concept of 'dad brain,' illustrating how fatherhood enhances emotional sensitivity and vigilance. Saxby shares insights into brain remodeling that aids in bonding and caregiving, challenging the notion of innate differences between genders. The conversation also touches on the evolving role of fathers, societal expectations, and the impact of these changes on modern parenting.
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Fathers' Emotional Shift
- New fathers often feel hypervigilant and emotionally sensitive, experiencing strong protective instincts.
- These changes include heightened awareness of baby sounds and emotional triggers like crying unexpectedly.
Dad Brain's Neural Pruning
- Fathers experience gray matter reduction in specific brain areas like the cortex during early parenthood.
- This reduction reflects neural pruning that improves brain efficiency, not loss of function.
Brain Adaptation Reflects Dad Engagement
- Gray matter volume reduction in fathers correlates with caregiving motivation and engagement.
- The brain adapts plastically, reflecting both experience and intentional investment in child care.