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Which autism spectrum diagnoses can be made and which criteria are used depends on the local healthcare system's regulations. According to the DSM-5-TR (2022), in order to receive a diagnosis of autism spectrum disorder, one must present with "persistent deficits in social communication and social interaction" and "restricted, repetitive ...
The Modified Checklist for Autism in Toddlers (M-CHAT) is a psychological questionnaire that evaluates risk for autism spectrum disorder in children ages 16–30 months. The 20-question test is filled out by the parent, and a follow-up portion is available for children who are classified as medium- to high-risk for autism spectrum disorder.
Research-determined cut-offs identify the potential diagnosis of autism spectrum disorder, allowing a standardized assessment of autistic symptoms. The Autism Diagnostic Interview-Revised (ADI-R), a companion instrument, is a structured interview conducted with the parents of the referred individual to cover the subject's full developmental ...
Fetal alcohol spectrum disorders encompass a range of physical and neurodevelopmental problems which can result from prenatal alcohol exposure. Diagnosis is based on the signs and symptoms in the person and evidence of alcohol use. [1] These diagnoses of fetal alcohol spectrum disorders are currently recognized: Fetal alcohol syndrome (FAS) [1]
The Checklist for Autism in Toddlers (CHAT) is a psychological questionnaire designed to evaluate risk for autism spectrum disorder in children ages 18–24 months. The 14-question test is filled out by the parent and a pediatrician or physician and takes approximately 5 minutes to complete. [ 1 ]
The Autism Treatment Evaluation Scale (ATEC) is a 77-item diagnostic assessment tool that was developed by Bernard Rimland and Stephen Edelson at the Autism Research Institute. The ATEC was originally designed to evaluate the effectiveness of autism treatments, but it may also be beneficial as a screening tool for children.
In order to create the algorithm for diagnosis, the writers chose questions from the interview that were most closely related to the criteria for diagnosis of Autism Spectrum Disorder in the DSM-IV and the ICD-10. [3] An autism diagnosis is indicated when scores in all three behavioral areas meet or exceed the specified minimum cutoff scores. [5]
Fetal alcohol spectrum disorder (FASD) is a common disorder that can mimic the signs of ASD. [38] Although results from studies are mixed, it is estimated that 2.6% of children with an FASD have an ASD as well, a rate almost two times higher than that reported in the general US population. [39]