I have no doubt that there's been similar topics, but I've just read an interesting article. Is there a really strong connection between ADHD and those that are N dominant? Are we all more or less cursed - or, depending on your view, blessed? 
"Not being completely focused on a task lets the mind make associations that might not have happened otherwise.”
http://www.a-health-blog.com/study-finds-that-adhd-adults-more-creative.html

"Not being completely focused on a task lets the mind make associations that might not have happened otherwise.”
http://www.a-health-blog.com/study-finds-that-adhd-adults-more-creative.html