A new diagnosis of profound autism is under consideration. Heres what parents need to know

Category describes people who have little or no language, an IQ of less than 50 and require 24-hour supervisionWhen it comes to autism, few questions spark as much debate as how best to support autistic people with the greatest needs.This prompted the Lancet medical journal to commission a group of international experts to propose a new category of profound autism.How many children met the criteria for profound autism?Were there behavioural features that set this group apart?