The stimulants Ritalin and Adderall have been used to treat attention-deficit/hyperactivity disorder (ADHD) for decades, but ...

It has long been assumed that psychostimulants help those with ADHD by acting on the brain’s attention circuitry. However, new research finds that this is not the case.

New research from Washington University School of Medicine suggests that ADHD stimulant medications, such as Adderall and Ritalin, do not work as previously understood. Instead of directly improving ...

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 ...

After evaluating scans of almost 5,800 children with and without attention deficit disorder, US researchers discovered that ...

WEDNESDAY, Jan. 7, 2026 (HealthDay News) — For decades, doctors assumed ADHD medications like Ritalin and Adderall work by ...

Now, researchers say the stimulants don’t work as previously believed. Instead of affecting regions of the brain that control attention, the drugs primarily affect the brain’s reward and wakefulness ...

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 ...

The randomized, double-blind, sham-controlled trial evaluated 56 adults with ADHD who received four weeks of Nexalin’s ...

Study shows a developmental lag in a certain brain area in kids with ADHD. Nov. 12, 2007— -- Kids with attention deficit hyperactivity disorder lag three years behind their peers when it comes to ...