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Message:

> Father's similar effects:
> 
> https://www.scientificamerican.com/article/fatherhood-changes-mens-brains-according-to-before-and-after-mri-scans/?utm_source=newsletter&utm_medium=email&utm_campaign=today-in-science&utm_content=link&utm_term=2022-12-01_top-stories&spMailingID=72392120&spUserID=NTY2MTUwNzM1NTM4S0&spJobID=2261665738&spReportId=MjI2MTY2NTczOAS2
> 
> "As with practicing any new skill, the experience of caring for an infant might leave a mark on the brains of new parents. This is what neuroscientists call experience-induced brain plasticity—like the brain changes that occur when you learn a new language or master a new musical instrument.
> 
> "A sparse but growing body of research is observing this type of plasticity in fathers who experience the cognitive, physical and emotional demands of caring for a newborn without going through pregnancy. In terms of brain function, for instance, gay male fathers who are primary caregivers show stronger connections between parenting brain regions when viewing their infants, compared with secondary male caregivers.
> 
> ***
> 
> "We found several significant changes in the brains of fathers from prenatal to postpartum that did not emerge within the childless men we followed across the same time period. In both the Spanish and Californian samples, fathers’ brain changes appeared in regions of the cortex that contribute to visual processing, attention and empathy toward the baby.
> 
> "The degree of brain plasticity in fathers may be linked with how much they interact with their baby. Although fathers in many parts of the world are increasingly taking part in child care, paternal involvement varies widely across different men. This range of involvement may explain why we found more subtle brain changes in these fathers compared with those observed in first-time mothers. In fact, brain changes in fathers were almost half the magnitude of the changes observed in the mothers.
> 
> "Social, cultural and psychological factors that determine how much fathers engage with their children may, in turn, influence changes to the fathering brain. Indeed, Spanish fathers, who, on average, have more generous paternity leaves than fathers have in the U.S., displayed more pronounced changes in brain regions that support goal-directed attention, which may help fathers attune to their infants’ cues, compared with Californian fathers."
> 
> Comment: a perfect example of brain plasticity responding to new requirements. in other requirements large changes have been found. The brain is enabled to respond to all diverse demands. Justv as new species arrive prepared to adapt to all new future requirements.