detect autism with syllable forming delays

http://www.sciencedaily.com/releases/2010/07/100719162645.htm

The autistic sample showed little evidence of development on the parameters as indicated by low correlations between the parameter values and the children's ages (from 1 to 4 years). On the other hand, all 12 parameters showed statistically significant development for both typically developing children and those with language delays.
Warren says that children with autism spectrum disorders can be diagnosed at 18 months but that the median age of diagnosis is 5.7 years in the United States.

Could be cheaper.