Autism FAQ (page 2)
What are autism spectrum disorders (ASDs)?
ASDs are developmental disabilities that cause substantial impairments in social interaction and communication and the presence of unusual behaviors and interests. Many people with ASDs also have unusual ways of learning, paying attention, or reacting to different sensations. The thinking and learning abilities of people with ASDs can vary—from gifted to severely challenged. An ASD begins before the age of 3 and lasts throughout a person's life.
What are some of the signs of ASDs?
As the name "autism spectrum disorders" suggests, ASDs cover a wide range of behaviors and abilities. People with ASDs, like all people, are different in how they act and what they can do. No two people with ASDs have the same symptoms.
People with ASDs have serious impairments with social, emotional, and communication skills. They might repeat certain behaviors over and over again or have trouble changing their daily routine. Following is a list of characteristics that are common among people with ASDs. It is important to note that some people without ASDs might also have some of these symptoms. But for people with ASDs, the impairment is bad enough to make life very challenging.
|People with ASDs might:
Talk to your child’s doctor or nurse if your child loses skills at any age.
What conditions are included in ASDs?
ASDs include autistic disorder, pervasive developmental disorder - not otherwise specified (PDD-NOS, including atypical autism), and Asperger syndrome. These conditions all have some of the same symptoms, but they differ in terms of when the symptoms start, how severe they are, and the exact nature of the symptoms. The three conditions, along with Rett syndrome and childhood disintegrative disorder, make up the broad diagnosis category of pervasive developmental disorders.
There is no medical test for ASDs. Doctors look at behavioral symptoms to make a diagnosis. Typically, a diagnosis is made after a thorough evaluation. Such an evaluation may include clinical observations, parent interviews, developmental histories, psychological testing, speech and language assessments, and possibly the use of one or more of a variety of autism diagnostic scales. Because ASDs are complex disorders, a comprehensive evaluation may also include physical, neurological, and genetic testing.
Many tools have been designed to assess ASDs in young children, but no single tool should be used as the only basis for diagnosing autism. Diagnostic tools usually rely on two main sources of information—parents’ or caregivers’ descriptions of their child’s development and health care professional’s direct observation of behavior.
- Examples of autism diagnostic tools include:
- Autism Diagnosis Interview–Revised (ADI–R)
- Autism Diagnostic Observation Schedule – Generic (ADOS–G)
- Childhood Autism Rating Scale (CARS)
- The Gilliam Autism Rating Scale (GARS)
For more information about screening and diagnosis, click here:
I think my child may have an ASD, but my pediatrician says he or she will catch up. Where else can I go?
Specialists who can diagnose autism include neurologists, developmental pediatricians, psychologists, and psychiatrists. For children under 3, many early intervention programs have qualified professionals on staff who can also evaluate your child. Children 3 and older can be evaluated through their local public school system.
Even if your child has not been diagnosed with autism, he or she may be eligible for early intervention services. The Individuals with Disabilities Education Act (IDEA) (link to glossary) says that children under the age of 3 who are at risk of having substantial developmental delays may be eligible for services. These services are provided through an early intervention system in your state. Through this system, you can request an evaluation. For more information about early intervention, click here National Dissemination Center for Children with Disabilities.
For tips on how to share your concerns with your pediatrician, visit the First Signs website.
|We know that many children with developmental delays are not being identified early. CDC reports that 17% of children have a developmental or behavioral disability such as autism, yet less than half of the children are identified before entering school. This delay causes children to miss important intervention opportunities.|
Centers for Disease Control and Prevention content is free and public domain.
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