Autism - Tests and Diagnoses

According to the Autism Society of Americamore intensive evaluation in the form of
(ASA), "autism is defined by a certain set ofdevelopmental surveillance.
behaviors and is a 'spectrum disorder' that affectsDevelopmental surveillance consists of observing a
individuals differently and to varying degrees."child and accurately recording observations
So, not only is there no concise definition of thisregarding his development. More information about
disorder, there are no hard and fast rulesdevelopmental surveillance is available here.
governing the manifestation of the disorder, butScreening for high-functioning autism or
there are screening processes that can helpAsperger's syndrome can be performed on
parents help their health care practitioners get anschool-aged children; these disabilities are often
earlier diagnoses and earlier treatment. What,present in the absence of language delays.
then, are the ways in which children are testedComprehensive Diagnostic Evaluation
for, and diagnosed with, autism?The next step is for a child to undergo a
Screening and Observationdiagnostic evaluation to determine if he has
While there is no medical test for detectingautism. This may consist of a comprehensive
autism, The Centers for Disease Control anddevelopmental history, parent interviews,
Prevention states that autism spectrum disorderspsychological evaluations, speech and language
can be detected as early as 18 months of age;evaluation, and possibly genetic, physical, and
signs of autism generally manifest themselvesneurological testing. The CDC cautions that,
when children are under age three.because of the complexity of autism, "no single
Autism is treatable, and, like other disorder, earlytool should be used as the only basis for
detection is key to obtaining timely and effectivediagnosing autism." Diagnostic tools rely on direct
treatment. The ASA offers several signs to lookobservation of a child as well as information
for in children, including "lack of or delay in spokenreported by a parent or caregiver.
language; repetitive use of language and/or motorWhat Parents Should Do
mannerisms (e.g., hand-flapping, twirling objects);Parents should know the developmental
little or no eye contact; lack of interest in peermilestones appropriate to their child's age. The
relationships; lack of spontaneous or make-believeCDC's "Learn the Sign. Act Early" site offers a
play; and persistent fixation on parts of objects."concise overview of what a child should be doing
The first place to start is with your child's regularat ages three months through five years.
visits to the pediatrician. Screening can "helpIf you suspect your child has a developmental
identify children who might have developmentaldelay, discuss that with your pediatrician. He or
delays," according to the CDC. Screening cannot,she may refer you to - or you should ask for a
however, "give sure evidence of developmentalreferral to - a developmental specialist. Knowledge
delays, and . . . cannot be used to make ais power, so be sure to consult the CDC and ASA
diagnosis." Developmental screening during awebsites for more information.
regular check up will determine if a child needs