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Distinguishing between ASD and other diagnoses can be challenging because the traits of ASD often overlap with symptoms of other disorders, and the characteristics of ASD make traditional diagnostic procedures difficult. [2] [3] Autism is associated with several genetic disorders, [4] perhaps due to an overlap in genetic causes. [5]
Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11] Sensory abnormalities are also included in the diagnostic manuals ...
Signs of autism are highly variable, and different individuals will have a different mix of traits. Some more common traits include: Avoidance of eye contact – preference to avoid eye contact and feelings of fear or being overwhelmed when looking into someone's eyes; Developmental delay – slower acquisition of life skills
While the symptoms of this group of brain development disorders vary, these are signs that a person may be on the autism spectrum. Skip to main content. 24/7 Help. For premium support please call: ...
The Childhood Autism Rating Scale (CARS) is a behavior rating scale intended to help diagnose autism. CARS was developed by Eric Schopler , Robert J. Reichler , and Barbara Rochen Renner . The scale was designed to help differentiate children with autism from those with other developmental delays, such as intellectual disability .
A related theory—enhanced perceptual functioning—focuses more on the superiority of locally oriented and perceptual operations in autistic individuals. [74] Yet another, monotropism, posits that autism stems from a different cognitive style, tending to focus attention (or processing resources) intensely, to the exclusion of other stimuli. [75]
A spectrum disorder is a disorder that includes a range of linked conditions, sometimes also extending to include singular symptoms and traits.The different elements of a spectrum either have a similar appearance or are thought to be caused by the same underlying mechanism.
The first section of the M-CHAT identifies 20 behavioral characteristics of the autism spectrum and asks if the child has experienced any of them. If the parent reports a sufficient number of characteristics for the child in this section, a follow-up form outlining specific questions pertaining to that characteristic would be administered by the researcher.