Yes... I think it is real but it reflects on people differently. I think that people that have it are ether hyper or hypo which means ether they are actively excited or they are calm.
I think people have it more then what is diagnosed and I also think that there is a way that people can cope with SPD without medication.
MY 3 yr old son will put balls in his shirt and play. As soon as he realizes I am watching him he runs and hides. He is VERY persistent about me leaving
I originally came to this site and just made this comment on somebody else's texture blog, but I figured, why not make my own blog and see how many people