Topics: Autism, Motor control, Behavior Pages: 4 (1411 words) Published: May 5, 2013
Autism is a developmental disorder that can be found in 1 of every 88 children and usually appears in the first 3 years of life. It is five times more common in boys than girls. 1 in every 54 boys is diagnosed with autism, while 1 in every 252 is diagnosed. Autism causes difficulties in social interaction, verbal and nonverbal communication, and repetitive behaviors. It affects the brain's normal development of social and communication skills which make it hard to communicate with and relate to others. With autism, the different areas of the brain fail to work together. Autism can be associated with intellectual disability, difficulties in motor coordination, and attention and physical health issues. Some people with autism excel in music, math, and art.

The exact causes of autism remain unknown, but are very actively being researched. Researches know that there is no one cause of autism, as there are many types of autism. Autism tends to run in families, so experts think it may be something that you inherit. The clearest evidence of autism risk factors involves events before and during birth. They include parental age at the time of conception, illness in the mother during pregnancy, and certain difficulties during the birth. These factors increase the risk of autism. Research suggests that women can reduce the chance of her child having autism by taking prenatal vitamins that contain folic acid. There are a combination of other factors that are thought to lead to autism. A number of other possible causes have been suspected, but not proven. They involve diet, digestive tract changes, mercury poisoning, the body’s inability to properly use vitamins and minerals, and vaccine sensitivity.

Most parents of autistic children can suspect that something is wrong with their child but the time they have reached 18 months. Some children with autism appear AUTISM4
normal before age 1 or 2 and then suddenly lose language or social skills they had...
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