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Autism

Autism
Autism: brain disorder that begins in early childhood and persists throughout adulthood; affects three crucial areas of development: communication, social interaction, and creative or imaginative play.
Prevalence
For many years, the most cited statistic is that autism occurs in 4.5 out of 10,000 live births. This was based on large-scale surveys conducted in the United States and England. More recently, estimates on the prevalence of autism have ranged been as high as 1/4% to 1/2% of the population. These estimates typically include those with autism, Asperger syndrome, and PDD.
Autism is three times more likely to affect males than females. This gender difference is not unique to autism since many developmental disabilities have a greater male to female ratio.
Major characteristics

Many autistic infants are different from birth. Two common characteristics they may exhibit include arching their back away from their caregiver to avoid physical contact and......

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Approximate Word Count: 1532
Approximate Pages: 7 (250 words per double-spaced page)

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