Autism is defined as a complex developmental disability that usually appears during the first three years of life. Many people with autism experience difficulty in verbal and non-verbal communication, social interactions, and leisure or play activities. Autism makes it hard for them to relate to the outside world. Some other effects of this disorder are extreme aggressive behavior. This aggressive behavior can be towards others and even to themselves. People with autism may show behaviors …showed first 75 words of 1367 total…

…showed last 75 words of 1367 total…core or self is likely to emerge under the influence of a treatment that changes all the child's thinking and behavior at once. An autistic person does not learn because he does not respond normally to environmental stimuli in general or to reward and punishment in particular. The therapist discovers which skills a child lacks and needs, breaks down the required actions into small units and then helps the child put them together in sequence.