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Autism is associated with several genetic disorders, [4] perhaps due to an overlap in genetic causes. [5] About 10–15% of autism cases have an identifiable Mendelian (single-gene) condition, chromosome abnormality, or other genetic syndrome, [6] a category referred to as syndromic autism.
The World Health Organization estimates about 1 in 100 children had autism during the period from 2012 to 2021 as that was the average estimate in studies published during that period with a trend of increasing prevalence over time. However, the study's 1% figure may reflect an underestimate of prevalence in low-and middle-income countries.
Among these measurements, the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) are considered the "gold standards" for assessing autistic children. [ 24 ] [ 25 ] The ADI-R is a semi-structured parent interview that probes for symptoms of autism by evaluating a child's current behavior and ...
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.
assess autism in children, adolescents, and adults The Autism Diagnostic Observation Schedule ( ADOS ) is a standardized diagnostic test for assessing autism spectrum disorder . The protocol consists of a series of structured and semi-structured tasks that involve social interaction between the examiner and the person under assessment.
The types of special needs vary in severity, and a student with a special need is classified as being a severe case when the student's IQ is between 20 and 35. [1] These students typically need assistance in school, and have different services provided for them to succeed in a different setting. [2] [3]
Students with EBD that show externalizing behavior are often diagnosed with attention deficit hyperactivity disorder (ADHD), oppositional defiant disorder (ODD), conduct disorder,autism spectrum disorder and/or bipolar disorder; however, this population can also include typically developing children that have learned to exhibit externalizing ...
diagnosis of Asperger syndrome The Gilliam Asperger's disorder scale ( GADS ) is a tool for assisting the diagnosis of Asperger syndrome . More specifically, it is a rating scale for behaviour, which can be used by either individuals or professionals, and is commonly used by school psychologists.