The diagnosis of autism spectrum disorders is on the rise. Scientists believe th
ID: 176366 • Letter: T
Question
The diagnosis of autism spectrum disorders is on the rise. Scientists believe that there are both genetic and environmental factors associated with the development of autism.
Use the links below and explain the following:
The prevalence of autistic disorders
The screening and diagnosis of autistic disorders
The possible genetic associations with the occurrence of autism
The possible environmental associations with the occurrence of autism
Treatment of autism
http://www.cdc.gov/ncbddd/autism/index.html
http://www.cdc.gov/mmwr/preview/mmwrhtml/ss5810a1.htm
http://www.cdc.gov/genomics/resources/diseases/autism.htm
http://www.scientificamerican.com/article.cfm?id=autism-rise-driven-by-environment
Explanation / Answer
In the United States, 1 in 68 children suffer from autism.
Screening of autism is done through developmental screening and comprehensive diagnostic evaluation.
Autism has a genetic component, as it can be caused by mutation in genes or by de novo chromosomal aberrations.
Autism also has environmental component as prenatal exposure to the industrial chemicals thalidomide and valproic acid are associated with increasing the risk of autism.
Treatment of autism involves behavioural treatment. The associated symptoms of autism like sleep disorders, seizures can be managed and addressed by healthcare specialists.