What Are Some Other Signs of Autism?
Children with autism often behave in unusual ways. Their activities are limited, and they may become very upset if there is some change in their environment or daily routine. For example, some may have temper tantrums if a piece of furniture in their room is moved or if they are put at a different place at the dinner table. Characteristic behavior may include repetitive motor acts such as arm flapping, finger twisting, rocking, and walking on tiptoes. Some of these motions may be repeated for hours on end. Children with autism may also exhibit hyperactivity, fits of screaming, or self-injury, such as head banging. Often, children with autism fear harmless objects, such as a vacuum cleaner, but fail to perceive real dangers, such as crossing a busy highway. They may also be oversensitive to noises, lights, and odors, and they may dislike being touched. Many children with autism also have mental retardation*. About one in four people with autism may develop seizures* by the time they rea
