Autism, currently and more accurately referred to as Autism Spectrum Disorder (ASD), is a developmental disability that includes autistic disorder and Asperger’s syndrome. ASD is caused by changes in the brain that appear to occur during its early development. There are no distinguishing physical features of autistic children and at least early in life, they may behave the same as “normal” children. In many cases, this has led to a delay in the recognition of this disorder. What becomes more evident during the social and emotional maturation of an autistic individual is that there are differences in the ways that they behave, learn, communicate, and interact with others. ASD is a life-long disease, and the earlier that recognition and intervention occurs, the better the outcome.

ASD can often be detected by attention to the general development milestones in children. These milestones include the ways that children act, learn, play, and speak. Along with screening for general development milestones, the American Academy of Pediatrics recommends that children be screened for ASD using a standardized assessment method at 18 and 24 months or whenever a parent or provider has a concern. Parents can also play an important role in detecting autism and other developmental disorders by looking for important milestones in their child’s development. The CDC’s “Learn the Signs. Act Early” initiative provides information on many of these important milestones in a child’s development. Signs such as not babbling, waving or grasping by 12 months, not saying single words or two-word phases by 16 and 24 months respectively, or loss of language or social skills at any age, are “red flags” for the possibility of ASD and warrant further investigation.

Features of ASD that may be evident in children or adults include:

• Not pointing at objects to show interest (for example, not pointing at an airplane flying over)
• Not looking at objects when another person points at them
• Having trouble relating to others or not having an interest in other people at all
• Avoiding eye contact and wanting to be alone
• Having trouble understanding other people’s feelings or talking about their own feelings
• Preferring not to be held or cuddled
• Appearing to be unaware when people talk to them, but responding to other sounds
• Being very interested in people, but not knowing how to talk, play, or relate to them
• Repeating or echoing words or phrases said to them, or repeating words or phrases in place of normal language
• Having trouble expressing their needs using typical words or motions
• Not playing “pretend” games (for example, not pretend to “feed” a doll)
• Repeating actions over and over again
• Having trouble adapting when a routine changes
• Having unusual reactions to the way things smell, taste, look, feel, or sound
• Losing skills they once had (for example, not saying words they were once using)

To learn more about ASD and its recognition, go to the CDC’s ASD home page or to the web page sponsored by the Autism Society.

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