Like most 7-year old boys, Darren Meeks loves to play with his monster trucks and ride his scooter.   But Darren knows he’s different.

“I’m autistic so I’m more sensitive,” he explained

Darren was diagnosed with autism at age four.

“He was diagnosed with ADHD a year later,” explained his mother, Myranda Meeks.

“40 to 60 percent of children with autism also have attention deficit hyperactivity disorder, or ADHD,” said Dr. Geraldine Dawson, director of Duke University’s Center for Autism and Brain Development.

It is unknown why autism and ADHD may overlap, but children with both may get a delayed autism diagnosis. Researchers at Duke University are conducting a study that focuses on early detection, measuring the brain`s response to information to help them better understand the link.

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