Editor's note: This week, we feature guest blogger Dr. Ellen Braaten, associate director of The Clay Center for Young Healthy Minds at Massachusetts General Hospital. This is part two of her series on slow processing speed. Read her full bio below.

Editor's note: This week, we feature guest blogger Dr. Ellen Braaten, associate director of The Clay Center for Young Healthy Minds at Massachusetts General Hospital. Read her full bio below. Some kids are naturally fast. They run, talk, complete homework assignments and do all sorts of things at a rate that seems appropriate for their age. Other kids don’t, or perhaps it would be fairer to say th...