Rat moms’ behavior reflected in their babies’ brains

By Laura Sanders, 17:01 PM August 8, 2014

In their first year, babies grow and change in all sorts of obvious and astonishing ways. As their bodies become longer, heavier and stronger, so do their brains. Between birth and a child’s first birthday, her brain nearly triples in size as torrents of newborn nerve cells create neural pathways.

This incredible growth can be influenced by a baby’s early life environment, scientists have found. Tragic cases of severe neglect or abuse can throw brain development off course, resulting in lifelo...

Source URL: https://www.sciencenews.org/blog/growth-curve/rat-moms’-behavior-reflected-their-babies’-brains