Why The New 1 in 45 Autism Numbers Shouldn’t Surprise You

Shannon Des Roches Rosa www.thinkingautismguide.com We’ve said it before, we’ll say it again: There Is No Autism Epidemic. Not even after US estimates for autism prevalence recently rose to 1 in 45. How do we know there’s no autism epidemic? Two reasons: A comprehensive survey of autism prevalence in Korea estimated a rate of 1 in 39, as reported in 2011. There’s no reason US rates should be much different, so the new numbers are likely portraying reality more accurately, rather than indicating reality is changing. Researchers have been saying for years that autism’s prevalence has mostly risen in response to changes in diagnostic criteria, rather than due to environmental triggers or other causation ideas. The role of changing diagnostic criteria in rising autism rates is particularly relevant right now, given that theme’s prominence in Steve Silberman’s award-winning, current bestseller NeuroTribes. Silberman devotes a sizable section of the book to…