http:www.AutismCauses1.comautism -- What is Autism? br The neurodevelopment or neurobiological condition known as autism is highly variable. No two people with autism are alike. Having said that, all people with autism share common characteristics : Social impairment br Significant deficits in communication are present, to one degree or another, in all people with autism. People with autism have deficits in understand non-verbal communication. People with autism have pronounced difficulty with play or imagining. Repetitive and stereotyped movements or activities are often present in autism. People with autism have a strong need for consistency and sameness. This makes is imperative for people working with children with autism to individualise their interventions. Autism is a highly variable condition with no two children alike and with some children, seemingly near normal but having subtle deficits.