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Autism is on the Rise, Or is it the Detection on the Rise

Autism is on the Rise, Or is it the Detection on the Rise

explaining-autismIs the increasing rise in cases of Autism due to more instances of the spectrum disorder, or are advances in diagnostics leading to more detection, and therefor, more known cases?

Via Time

A new study suggests changes in diagnostic rules have caused increases in autism cases

“This study is important because it shows a large part of the increase has nothing to do with the environment, but rather administrative decisions,” says study author Stefan Hansen of Aarhus University in Denmark.

The researchers followed 677,915 Danish children born between 1980 and 1991 and tracked them until they either had an autism diagnosis or reached the study end date of Dec. 31, 2011. Hansen and his team looked specifically at changes that occurred before and after the year 1994, when criteria for psychiatric diagnoses changed in Denmark so that autism became a spectrum of disorders, broadening the criteria for diagnosis. The researchers found significantly more children were diagnosed with autism in 1995 and on, and the team was able to determine that 60% of the increase could be attributed to these criteria changes.

“I am not saying it explains everything,” says Hansen. “There’s the remaining 40%, so we shouldn’t stop here.” That 40% is important if researchers want to understand all the contributing factors to the disease he says.

SOURCE: http://time.com/3652619/autism-diagnosis/

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