What is the cause of autism...Autism is a complex developmental disorder in children. Symptoms that appear are in the developmental disorders: the development of two-way interaction, cause for autism, the development of reciprocal interaction and behavioral development.
the cause of autism. Until now certainty about autism has not been solved. In fact, growth in the number of autistic children today are increasingly alarming. In the United States, the proportion of children with autism with normal 1:150, 1:100 while in England. Indonesia does not have any good data on it.
The scientists say autism occurs due to a combination of factors, including genetic factors triggered by environmental factors. cause for autism , Here are the factors that allegedly trigger autism is still mysterious.
1. Genetic
There is strong evidence which suggests that changes in the gene contribute to onset of autism. According to the National Institutes of Health, how common is autismm families who have one child with autism have a 1-20 times greater odds to give birth to children with autism as well.
Studies in twins found that if one child with autism, her twin is likely to have the same disorder.
In general, the experts identified 20 genes that cause autism spectrum disorders. The gene plays an important role in brain development, brain growth, and the way brain cells communicate.
2. Pesticide
High pesticide exposure is also associated with the occurrence of autism. Some research found that pesticides will disrupt the function of the gene in the central nervous system. According to Dr. Alice Mao, professor of psychiatry, the chemicals in pesticides affect their talent autism.
3. Drugs
Babies who are exposed to certain drugs while in the womb have a greater risk of autism. These drugs include valproic and thalidomide. Thalidomide is an old generation drugs used to treat the symptoms of nausea and vomiting during pregnancy, anxiety, and insomnia.
Drug thalidomide alone in America has been banned because of the many reports of babies with birth defects. However, this drug is now prescribed to address skin disorders and cancer therapy. Meanwhile, which shots cause autism, valproic acid is a drug used for people with mood disorders and bipolar disorder.
4. Parental age
The older age of parents when a child, the higher the risk of the child suffering from autism. A study published in 2010 found that women aged 40 years have a 50 percent risk of having a child with autism compared to women aged 20-29 years.
"It's uncertain relationship with autism aged parents. However, it is presumably because the mutation factor," said Alycia Halladay, director of research at Autism Speaks Environmental Studies.
5. Brain development
Certain areas in the brain, including the cortex and cerebellum serebal responsible for the concentration, movement and mood setting, related to autism. how do you get autism, Imbalances of neurotransmitters, such as dopamine and serotonin, in the brain also associated with autism.
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