Special need children can be brilliant and see things that neurotypicals cannot, however sometimes their ability to process information may be slower. Have you ever wondered what it might be like to process thoughts at a slower rate? This article covers it: Source 4b.
Slow Processing Speed Of The Special Needs Child (Hover)
While I'm fairly certain that this exists, I do also think that it may not be slow processing speed but a different way for certain children to process information in the first place. That being said, because of some people with unique, different processing they are forced to change it in order to suit society's demands which involves a certain type of processing - causing a slow process of adaption.