From NBC 15 :: NEWS:
"Motherhood doesn't just change your life. It also changes your brain.
New research, reported last month at a neuroscience meeting in San Diego, suggests that having babies permanently alters brain function.
If you're a rat, it makes you better at finding and killing dinner quickly. If you're a human, it helps you distinguish between your baby's cry and that of other children.
In either case, it's something fathers just don't get. Only mothers undergo these changes.
'Clearly these experiences are changing the female brain, but in a way that's natural,' said Craig Kinsley, a neuroscientist at the University of Richmond in Virginia. "