Here are just a couple of articles - one sort of a follow up/resumerizing the first. But the second article may be from a site you wish to return to, because of what they call a "Autism & Parenting Examiner" - a special reporter focusing on certain subjects. You can also subscribe to e-mail or RSS feeds. It's Philly based, but may still give you ideas for things to do or some basic info to follow up with at your discression.
Main Article: Functional MRI Helps Distinguish Pediatric Mental Disorders
Follow up (with the Examiner, Yvonne Jessey): Brain Scans