Scanning reveals what pregnancy does to a mother’s brainCreated by:
In new mothers, there is a significant reduction of gray matter. This was persistent results even after two years, making it a great indicator for finding out if a woman had been pregnant or not. Men's brains displayed similar characteristics to women who had no children. This also held true for animals. The permanent reductions in grey matter was associated with processing of social information and with reasoning about other people’s states of mind. A greater reduction in gray matter suggested that the mother would be more bonded to the baby, this may be counter-intuitive but is postulated to be related to synpatic pruning.
Here is the article for your perusal: http://www.economist.com/news/science-and-technology/21712093-new-mothers-experience-reductions-volume-grey-matter-their?frsc=dg%7Cd