It appears there may be some conceptual issues, too, with regard to the autism and schizophrenia spectra:
https://gupea.ub.gu.se/bitstream/2077/2 ... 8249_1.pdf
Though the linked article in the OP suggests that SPD may be on the autism spectrum, I believe it is more often recognized as being on the schizophrenia spectrum (at the very mild end).
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"You have a responsibility to consider all sides of a problem and a responsibility to make a judgment and a responsibility to care for all involved." --Ian Danskin
