Autism is a Physical disorder of the brain that causes a lifelong developmental disability.
The many different symptoms of autism can occur by themselves or in combination with other conditions such as mental retardation, blindness, deafness, and epilepsy. For example, children with autism often exhibit some form of bizarre, repetitive behavior called stereotypedbehavior . Some, like Robbie, may incessantly spin plates or other objects. Others may lick their fingers immediately after touching a doorknob. The following section introduces the six major symptoms of autism.