Autism Directions

Children with autism generally have problems in three crucial areas of development —

1. Social interaction
2. Language and Communication
3. Behavior

But because the symptoms of autism vary greatly, two children with the same diagnosis may act quite differently and have strikingly different skills. In most cases, though, the most severe autism is marked by a complete inability to communicate or interact with other people.

Each child with autism is likely to have a unique pattern of behavior, these characteristics are common signs of the disorder:

Social skills

• Fails to respond to his or her name
• Has poor eye contact
• Appears not to hear you at times
• Resists cuddling and holding
• Appears unaware of others' feelings
• Seems to prefer playing alone — retreats into his or her "own world"

Language

• Starts talking later than other children
• Loses previously acquired ability to say words or sentences
• Does not make eye contact when communicating
• Speaks with an abnormal tone or rhythm — may use a singsong voice or robot-like speech
• Can't start a conversation or keep one going
• May repeat words or phrases

Behavior

• Performs repetitive movements, such as rocking, spinning or hand-flapping
• Develops specific routines or rituals
• Becomes disturbed at the slightest change in routines or rituals
• Moves constantly
• May be fascinated by parts of an object, such as the spinning wheels of a toy car
• May be unusually sensitive to light, sound and touch and yet oblivious to pain

Young children with autism also have a hard time sharing experiences with others. 

As they mature, some children with autism become more engaged with others and show less marked disturbances in behavior. Some, usually those with the least severe problems, eventually may lead normal or near-normal lives with strong intervention.  Others, however, continue to have great difficulty with language or social skills, and the adolescent years can mean a worsening of behavior problems.

The majority of children with autism are slow to acquire new knowledge or skills and some have signs of lower than normal intelligence.  These children learn quickly yet have trouble communicating, applying what they know in everyday life and adjusting in social situations.

Causes

Autism has no single, known cause. Given the complexity of the disease, the range of autistic disorders and the fact that no two children with autism are alike, it's probable that there are many causes. These may include:

• Genetic errors. Researchers have discovered a number of genes that appear to be involved in autism. Some may make a child more susceptible to the disorder; others affect brain development or the way brain cells communicate. Still others may determine the severity of symptoms. Each genetic error may account for a small number of cases, but taken together, the influence of genes may be substantial. Some genetic errors seem to be inherited, whereas others occur spontaneously.
• Environmental factors. Many health problems are due to both genetic and environmental factors, and this is likely the case with autism as well. Researchers are currently exploring whether viral infections and air pollutants, for instance, play a role in triggering autism.
• Other causes. Other factors under investigation include problems during labor and delivery and the role of the immune system in autism. Some researchers believe that damage to the amygdala — a portion of the brain that serves as a danger detector — may play a role in autism.

One of the greatest controversies in autism centers on whether a link exists between autism and certain childhood vaccines, particularly the measles-mumps-rubella (MMR) vaccine and vaccines with thimerosal, a preservative that contains mercury.