This article is a Stub.
There's a sizable autistic population amongst folk who are also plural. It's very difficult to get a diagnosis for both, as some professionals seem to think they are mutually exclusive for some reason, or that traits of one may interfere with diagnosis of traits of the other.
See the head of this section for discussion of crossovers between many different atypical issues (atypical for the general population, much less atypical amongst autistic folk or DID/OSDD systems).