ASD can affect children and young people with any level of intellectual ability, from those who are profoundly learning disabled, to those with average or high intelligence.
Gall ASD effeithio ar blant a phobl ifanc sydd ag unrhyw lefel o allu deallusol, o’r rheini sydd ag anabledd dysgu sylweddol i’r rheini sydd â deallusrwydd cyfartalog neu uchel.