My boy is autistic but also borderline hyperactive - he does not have an ADHD diagnosis but he NEVER ever stops moving, bouncing, rocking, flapping, swinging etc etc. I am starting to wonder if he could not achieve a lot more if he could just concentrate for longer periods of time, and stop his urgent need to MOVE! But I would be keen to know from people whose kids have taken stattera or concerta or ritalin - is you child still the same child when on these medications, just calmer? I have a horror of taking his little "himness" away and him becoming zombified, or is it just not like that? Any help most welcome.