Attention-deficit/hyperactivity disorder, or ADHD, can be a somewhat controversial syndrome. There’s even disagreement about how many people suffer from it.

The American Psychiatric Association says 5 percent of American children have it, but the CDC puts the number at more than twice that.

Treatments for ADHD are also controversial.

One that’s been gaining attention is neurofeedback. Basically, a way to try to train the brain to regulate itself. But is it effective?

To help sort this out, I’m joined by two Neurologists from Mayo Clinic in Arizona: Dr. Amy Crepeau and Dr. Joseph Sirven.

EDITOR'S NOTE: This story has been updated to correct Dr. Amy Crepeau's last name.