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 years, stimulant medications for ADHD have been described as chemical accelerators, framed as drugs that rev up a sluggish brain. New imaging work turns that story on its head. Brain scans now ...

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 ...

Taking an ADHD medication produces brain patterns nearly identical to those of getting a good night’s rest, according to the largest brain imaging study of stimulant drugs ever conducted. The finding ...

At the same time, several studies have also tried to use brain imaging to better understand ADHD by examining differences in individual brain regions. However, this approach often overlooks how ...

This surprising result may explain why previous brain imaging studies of ADHD have often produced inconsistent findings. According to the researchers, the reason is simple: ADHD is highly ...

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 ...

Scientists are updating their view of how drugs like Adderall and Ritalin help children with attention deficit hyperactivity disorder stay on task. The latest evidence is a study of thousands of brain ...