Yes - I've seen DS6 get excited and he wells up and just talks endlessly. I've had to type his ideas for him in the past. I used to get like this at school too. The minute the questions was posed - I'd have what felt like 100 ideas at once and would have to scribble everything down really fast so I wouldn't lose my best ideas. Then I'd be able to actually wirte the test essay under exam conditions - but I guess I was about 15/16 before I had really gotten this skill down. My father used to tell my mother that his hand couldn't keep up with his brain - and you could literally see it on his face when he was listening - that his mind was working over time, thinking through 5 things and he was about to blurt out the next point ...with no concern for where his audience was ...