New test for ADHD uses EEGs
The FDA has approved the use of the NEBA System (named for NEBA Health, which makes the system) for docs to accurately determine if ADHD is the cause of behavior problems.
The NEBA System supports, not replaces, traditional diagnosis protocols, like physical exams, behavior quetionnaires and testing, IQ testing and criteria from the DSM-IV-TR.
The test is noninvasive and takes 15-20 minutes. It works by calculating the radio of theta and beta waves in the brain. In the past, kids with ADHD have been shown to have higher theta/beta ratios.
Here's the story I read: