Gnomey wrote:
Ganondox wrote:
Gnomey wrote:
I watched it and I thought it was a good theory for a specific type of autism which they mention. That being the regression kind where a child develops normally than suddenly regresses.
That sounds like it technically isn't autism, it sounds like the non-autistic PDD whose name I forgot. The other two are fragile-X and Rett Syndrome.
I might of been unclear, but I am referring to the more Classic Autism. In a lot of cases the child develops normally until 18 months and then suddenly they regress into autism. The kind where vaccines was blamed as the trigger for by some until recently.
That's Rett syndrome. They develop pretty normally; but then they stop developing and start losing skills, as well as having motor skill problems and seizures/neurological issues. Heller syndrome is similar, but more rare. Rett syndrome has a known genetic cause--the MECP2 gene--but Heller syndrome is still unknown.
In "Classic autism" (which is just called "autistic disorder"), development is atypical from the beginning, though it may not be noticed until the kid is old enough that he starts missing milestones. That's what you may be referring to as "regression": Since what autism affects are things we don't expect of children until they are two to four years old, it looks as though they develop normally to begin with but then start to fall behind. But when you look at home videos of autistic children taken before they were that age, you see atypical behavior as early as the first few months--less eye contact or unusually intense stares, different interaction with the environment and with people, unusually cranky or calm babies. It's just harder to see when the child isn't yet expected to be giggling and playing Patty-Cake with Mom yet.