Neurofeedback training has been used by clinicians to help thousands of children on the autistic spectrum. It can help both those with high functioning autism (formerly called Asperger’s) as well as those further down the spectrum. Several research studies have been published to support these efforts. (see links here)
Parents report that after their children begin brain training, they are calmer, better able to manage emotions, and don’t get overwhelmed as easily. There are many other positive changes which can occur but these are typically the first improvements witnessed.