Hi,
I thought this was funny... haha.. apparently there is comparatively very few brains that have been dissected and studied of autistic brains, as compared to the high number of people on the autism spectrum..
"Now, she also emphasized to us that fewer than 150 autism brains have been studied, which seems like a—considering all the time that there has been research on autism and autism brains, it seems like an awfully small number, and it’s very, very important for all of us to encourage the donation of autism brains to scientific research. And I just want to mention there’s another Web site other than what Cindy showed that is called takesbrains.org and that gives some information to prospective donors or the families of prospective donors."
Source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5346296/