A recent study shows that while creative brains are not particularly efficient for moving quickly, the meandering paths are what lead to new ideas and ways of looking at things.

“‘The brain appears to be an efficient superhighway that gets you from Point A to Point B’ when it comes to intelligence, Dr. (Rex) Jung explained. ‘But in the regions of the brain related to creativity, there appears to be lots of little side roads with interesting detours, and meandering little byways.'” (More at the Eide Creative Brains SlowerBlog )