Saturday, July 7, 2012

Autism Spectrum Disorder Reclassified: A Second Look at the 1980sUtah/UCLA Autism Epidemiologic Study

In the 1980′S a major epidemiological study was performed by UCLA researchers focused on the population of Utah. This resulted in six publications. One study, the prevalence paper, has now been revisited recently with results indicating that the broadening of autism criteria with the shift from DSM III to DSM IV had a major impact on prevalence. In particular, on the prevalence of individuals with lower IQ’s. Yes, the the DSM III missed a large number of individuals with low. IQ.

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