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About Autism

04-02-2011 17:08 BJT

What is autism?

Autism spectrum disorder (ASD) is a range of complex neurodevelopment disorders, characterized by social impairments, communication difficulties, and restricted, repetitive, and stereotyped patterns of behavior. 

Autistic disorder, sometimes called autism or classical ASD, is the most severe form of ASD, while other conditions along the spectrum include a milder form known as Asperger syndrome, the rare condition called Rett syndrome, and childhood disintegrative disorder and pervasive developmental disorder not otherwise specified (usually referred to as PDD-NOS). 

Although ASD varies significantly in character and severity, it occurs in all ethnic and socioeconomic groups and affects every age group.  Experts estimate that three to six children out of every 1,000 will have ASD.  Males are four times more likely to have ASD than females.

What are some symptoms of autism?


The characteristic behaviors of autism spectrum disorders may or may not be apparent in infancy (18 to 24 months), but usually become obvious during early childhood (24 months to 6 years).

As part of a well-baby/well-child visit, your child's doctor should do a "developmental screening," asking specific questions about your baby's progress. The National Institute of Child Health and Human Development (NICHD) lists five behaviors that signal further evaluation is warranted:

1. Does not babble or coo by 12 months

2. Does not gesture (point, wave, grasp) by 12 months

3. Does not say single words by 16 months

4. Does not say two-word phrases on his or her own by 24 months

5. Has any loss of any language or social skill at any age

Editor:Zhang Jingya |Source: CNTV.CN

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