As pointed out this morning by asdresearchinitiative, a new study has appeared that throws cold water on the proposed changes in DSM-V. If you are unfamiliar with this issue, please consult my earlier post regarding estimates of autism incidence. This new study out of LSU reports that almost 50% fewer toddlers would be diagnosed with ASD using DSM-V criteria than with DSM-IV criteria. This is one of the problems that critics were worried about. There are other studies of this type coming along, so the final answer is not in yet, but this one is a worry. Somewhat similar issues are being raised about the planned switch from PANDAS to PANS. I’m giving a lecture on this at Caltech tomorrow, assuming I get it prepared in time…
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