TODD P. SILVERSTEIN, WILLAMETTE UNIVERSITY, SALEM, ORE.
I would venture that at least part of the explanation for the rise in autism's incidence is related to its recent recognition. When I was a kid, there was no such thing as autism. You can't diagnose something you don't recognize.
ANDREW NELSON, SANTA BARBARA, CALIF.
Studies published in the past 2 years have investigated the extent to which autism's increasing incidence traces to changes in diagnosis. At least a few of these studies have found that incidence has increased even after accounting for better diagnosis. --J. RALOFF
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|Article Type:||Letter to the Editor|
|Date:||Jun 11, 2005|
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