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Mother's Brain Rewired: The New Science
5 Nov
Summary
- Pregnancy dramatically alters brain structure, not just temporary.
- Grey matter volume decreases, white matter communication strengthens.
- Motherhood may protect against long-term aging and cognitive decline.
Neuroscientist Susana Carmona's research reveals that pregnancy causes significant and lasting changes to the brain's structure. Contrary to the outdated 'mommy brain' concept, these neurological alterations are not temporary cognitive declines but profound shifts.
The brain's grey matter volume decreases during pregnancy, while white matter, crucial for communication, becomes stronger. These changes, particularly within the brain's default mode network, correlate with maternal well-being and bonding, though their precise impact on cognitive function remains under investigation.
Carmona's findings challenge the notion that women quickly return to their pre-pregnancy cognitive state. The gestation and postpartum periods are metabolically demanding, affecting anyone's cognitive function, not just mothers. However, long-term, motherhood can act as a form of cognitive training, potentially protecting against aging and decline.
Historically, medical advice overlooked the cognitive impact of pregnancy, focusing primarily on physical aspects. Carmona's work, detailed in her book, aims to fill this knowledge gap, encouraging a curious lens on the neuroscientific revolution of motherhood.
