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 ...

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 ...

A major brain imaging study of 446 children with ADHD has identified three distinct brain-based subtypes, including one marked by severe emotional dysregulation absent from current diagnostic criteria ...

In real-life cases, clinicians observe that ADHD shows a wide array of symptoms and may involve several underlying brain mechanisms. Current diagnostic methods follow a DSM-based system that relies on ...

But anyone who works with children with ADHD-or raises one-knows that symptoms can look very different from one child to another. A new brain imaging study now provides scientific evidence for this ...

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.

Whether brain scans ever enter the diagnostic toolkit, it validates the diversity and intricacy of ADHD, researchers say. “What I hope this article does is signal to people it's more complicated than ...

ADHD stimulants appear to work less by sharpening focus and more by waking up the brain. Brain scans revealed that these medications activate reward and alertness systems, helping children stay ...

A couple of years ago, Jan Haavik was at a routine meeting of a research group that connects scientists studying attention deficit hyperactivity disorder (ADHD) with people who live with the condition ...

Stimulants prescribed for ADHD target the parts of the brain related to wakefulness and reward, shown in yellow and orange, according to a new study. Benjamin Kay In the United States, an estimated ...