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This information provides a general overview on this topic and may not apply to everyone. The information is NOT a substitute for you visiting your doctor. However, as Medical Science is constantly changing and human error is always possible, the authors, editors, and publisher of this information do not warrant the accuracy or completeness of this information nor are they responsible for omissions or errors as a result of using this information.

What Is Autism?

Autism is a developmental disorder that some people are born with - it's not something you can catch or pass along to someone else. It affects the brain and makes communicating and interacting with other people difficult. People who have autism often have delayed language development, prefer to spend time alone, and show less interest in making friends. Another characteristic of autism is what some people describe as "sensory overload": Sounds seem louder, lights brighter, or smells stronger. Although many people with autism also have mental retardation, some are of average or high intelligence.

Not everybody with autism has the exact same symptoms. Some people may have autism that is mild, whereas others may have autism that is more severe. Because it affects people differently, autism is known as a spectrum disorder. Two people with the same spectrum disorder may not act alike or have the same skills.

As many as one in 500 people have autism, and it's four times more common in guys than in girls. Although doctors do not know exactly what causes it, researchers believe autism is linked to differences in brain chemicals (neurotransmitters). These differences may be caused by something in our genes - families who have one child with autism have a higher risk of having another child with autism or a similar disorder. Research suggests that it's probably a combination of genes that causes the disorder, not a single autism gene.

Sometimes you may hear other developmental disorders mentioned in the same way as autism, such as Asperger syndrome, Rett syndrome, and childhood disintegrative disorder. These disorders, along with autism, are all considered pervasive developmental disorders. People diagnosed with any of these disabilities have problems with social skills and communication.

What Do Doctors Do?
Autism is usually diagnosed at a very young age, when a child is 1 1/2 to 4 years old. There are no medical tests to determine whether someone has autism, although doctors may run various tests to rule out other causes of the kid's symptoms. The best way to identify autism is to watch how a child behaves and communicates. Parents can help by telling the doctor how the child acts at home. Then a team of specialists - which may include a psychologist, a neurologist, a psychiatrist, a speech therapist, and a developmental pediatrician - will evaluate the child and compare levels of development and behavior to those of other children the same age. Together, they will decide whether the child has autism or something else.

How Is Autism Treated?
Autism is not treated with surgery or medicine (although some people with autism may take medicine to improve certain symptoms, like aggressive behavior or attention problems). Instead, people who have autism are taught skills that will help them do the things that are difficult for them. The best results are usually seen with children who begin treatment when they are very young, as soon as they are diagnosed.

Special education programs that are tailored to the child's individual needs are usually the most effective form of treatment. These programs work on breaking down barriers by teaching the child to communicate (sometimes by pointing or using pictures or sign language) and to interact with others. Basic living skills, like how to cross a street safely or ask for directions, are also emphasized. A treatment program might also include any of the following: speech therapy, physical therapy, music therapy, changes in diet, medication, occupational therapy, and hearing or vision therapy. The same specialists who helped diagnose the condition usually work together to come up with the best combination of therapies to use in addition to the educational program.

By the time they are teens, people with autism may be taking regular classes, attending special classes at the high school level, or attending a special school because of ongoing behavioral problems.

What Are Teens With Autism Like?
Because their brains process information differently, teens with autism may not act like other people you know (or each other, because the severity of symptoms of autism varies from person to person). They can have trouble talking and sometimes communicate with gestures instead of words. Some spend a lot of time alone, don't make friends easily (and may not act like they want to), and don't react to social cues like someone smiling or scowling at them. They often do not make eye contact when you are talking to them. They also find it hard to join in a game or activity with other people. If they are sensitive to sensory stimuli, they might draw back when hugged or startle easily when they hear a sudden noise, even if it's not very loud.

Some teens with autism are passive and withdrawn, whereas others are overactive and may have tantrums or act aggressively when they are frustrated; it's important to realize that this is part of the disorder. Many teens with autism also continue to have intellectual limitations and learning problems. Because they don't have the ability to express emotions like anger and frustration in more acceptable ways, teens with autism may express themselves in ways that seem inappropriate. Many have difficulty coping with change and get anxious if their daily routine is altered. In more severe cases, a teen might fixate on different objects or ideas or display repetitive motions like rocking or hand flapping.

One common misconception is that autistic people don't feel or show emotion. Although they can feel affection, they often don't express it the same way others do. To an outsider, this can come across as being cold or unemotional.

Living With Autism
Perhaps the most difficult part of coping with autism is interacting with other people every day. Because the brain of a teen with autism works a little differently, learning to communicate can be like learning a foreign language. This can make it hard for people with autism to express themselves or for other people to understand them, so just talking with a classmate becomes stressful and frustrating.

When even a casual conversation requires so much effort, it's obviously hard to make friends. Teens with autism may have to think constantly about how other people will perceive their actions and make a conscious effort to pay attention to social cues the rest of us handle without even thinking. Basically, it takes a lot of work for a person with autism to do what comes naturally to most people.

So if you know someone who has autism, be extra patient when you're talking with him or her. Don't expect a person with autism to look at things the same way you do. You should also realize that some behaviors you think are rude (like interrupting you when you're talking) come from the autistic teen's different perception of the world: It's tough for people who can't read social cues and recognize the natural pauses in a conversation to know when to jump in with their own thoughts. The more understanding and supportive you are, the more enjoyable your time together will be.

Despite all the day-to-day hurdles, though, many people with autism lead fulfilling, happy lives on their own or with help from friends and family. Most teens with autism like school, and some can attend regular classes with everyone else. They have individual tastes and enjoy different activities, just like you do. Some people with autism go on to vocational school or college, get married, and have successful careers. Consider Temple Grandin, for example. Despite having autism, she was able to earn a PhD and become a college professor. She's even written a book about her experience called Thinking in Pictures: And Other Reports from My Life with Autism. Although she still struggles with the disorder almost daily, she leads a "normal" life, just like many other people with autism.
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Last modified October 2015