The following are characteristic of autism, EXCEPT:
The onset of autistic disorder always occurs before age 3, at two peak periods. Autistic disorders are characterized by the triad of impaired social interaction, communication and imagination. These are associated with rigid repetitive pattern of behaviour. Ref: Essential Pediatrics By O P Ghai, 6th Edition, Page 65; Autism: A Very Sho Introduction By Uta Frith, 2008, Preview.
Onset after 6 years of age
Repetitive behavior
Delayed language development
Severe deficit in social interaction