Infants later diagnosed with autism have lower canonical babbling ratios in the first year of life

ConclusionsLower canonical babbling ratios are apparent by the end of the first year of life in ASD regardless of later language delay, but are also observed for infants with later language delay without ASD. Canonical babbling may lack specificity as an early marker when used on its own.
Source: Molecular Autism - Category: Molecular Biology Source Type: research