I find the most helpful model to be a (probably multidimensional) spectrum containing everyone. Most people are in the neurotypical part of the spectrum, some a

I find the most helpful model to be a (probably multidimensional) spectrum containing everyone. Most people are in the neurotypical part of the spectrum, some are like your son, some lie in between, and some are way off in the extreme parts. The borders are wide and fuzzy. (This model sounds almost too obvious to state, but it prevents a bunch of irritating arguments about what discrete bucket to put someone it.)