10/09/2026
A new study using the Delphi consensus definition of profound autism found that 16.5% of autistic children met the criteria—equivalent to approximately 1 in 185 eight-year-olds.
In this week’s Autism Science Minute, Alison Singer explains why this figure is lower than previous estimates, what the findings reveal about gaps in assessing IQ and adaptive functioning, and why better measurement is essential to planning for lifelong care.
Read the study: https://pubmed.ncbi.nlm.nih.gov/42826765/