The classic image of a child with ADHD is practically a stock character: the spacey kid staring out the window, distracted by squirrels; the fidgeter who can’t sit still, a leg rattling under the desk ...

Don't look now, but there is a new study on attention-deficit/hyperactivity disorder and the ADHD subtypes that exist. This all comes from more than 1,000 brain scans ...

MRI shows different progressive grey matter volume changes in two ADHD subtypes across symptom severity. Specifically, ADHD subtype 1 exhibits increased GMV, while ADHD subtype 2 shows decreased GMV.

For decades, Attention-Deficit/Hyperactivity Disorder (ADHD) has been all about behavior: kids who couldn’t sit still, adults who daydream, or anyone who acts ...