Altropane™: A radio-imaging agent for the objective diagnosis of Attention Deficit Hyperactivity Disorder (ADHD)
http://www.bostonlifesciences.com/new2.htm

Study Raises Hopes for Adhd Medical Test, more about PET Scans
http://www.adders.org/research14.htm
It does not mean that the etiology of ADHD was presented completely.I will read this stuff a bit more carefully.

"So you see the pieces of the puzzle are all beginning to fit together, which is why I think this is absolutely fascinating," R Barkley.