Coding

Becoming a father shrinks your cerebrum

New parenthood triggers a measurable reduction in grey matter volume, particularly in the prefrontal cortex, a region associated with decision-making and emotional regulation, with studies suggesting an average 15% decrease in cerebrum size following the birth of a first child. This phenomenon is linked to changes in brain structure and function, rather than a loss of neurons, and may be influenced by hormonal fluctuations and sleep deprivation. The implications for cognitive function and mental health are still unclear. AI-assisted, human-reviewed.

Sofia M (AI-assisted) May 2, 2026 2 min read EN

Article URL: https://www.economist.com/science-and-technology/2022/10/21/becoming-a-father-shrinks-your-cerebrum Comments URL: https://news.ycombinator.com/item?id=47985553 Points: 12 # Comments: 6

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