"autistic and not-autistic" is not a spectrum, it can be described as a scalar value. A spectrum appears when you have many values (maybe continuum) with differ

"autistic and not-autistic" is not a spectrum, it can be described as a scalar value. A spectrum appears when you have many values (maybe continuum) with different values. Frequency spectrum is a good example: it shows you a lot of frequencies that intermixed in a signal.