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Daily Autism Questions
Question: What are the key difference(s) between Autism, Aspergers, & PDD-NOS?
Some of the key differences between Autism and Asperger’s are that the individual could not have had a clinically significant language delay (although unusual patterns of communication and impaired nonverbal communication is generally present), and the individual must function within average to above average intellectual (cognitive) levels.
Pervasive Developmental Disorder is a general category used to describe a pattern of behavioral differences (which may include deviations, excesses, or difficulties) in the areas of social relating, communication, and attention/interest. Children who demonstrate a number of characteristics or symptoms in these three areas, and whose problems are not better explained by other disorders, may receive a diagnosis of PDD. This diagnosis may also be applied if the child exhibits a variety of symptoms associated with Autism, but in an unusual pattern.
Many of the behaviors that are considered crucial for diagnosis are still very variable in typically developing young children in this age range. Some children may receive a diagnosis of PDD-NOS as a toddler because they did not have any communicative behavior; later they may qualify for a diagnosis of autism as their communication develops and it becomes more evident that a qualitative difference exists in that area.
For parents and educators, the important thing to focus on is not the specific label a child receives, but what can be done to help the child develop skills in the areas of concern.
source:
Emory Autism Center