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Another goal of the use of rodent models to study autism is to identify the mechanism by which autism develops in humans. [1] Other researchers have developed an autism severity score to measure the degree of severity of the mice's autism, as well as the use of scent marking behavior [21] and vocalization distress [14] as models for communication.
Twin studies provide a unique opportunity to explore the genetic and environmental influences on autism spectrum disorder (ASD). By studying identical twins, who share identical DNA, and fraternal twins, who share about half of their DNA, researchers can estimate the heritability of autism by comparing the rates of when one twin is diagnosed with autism while the other is not in identical vs ...
A common presentation of sleep apnea in children with autism is insomnia. [67] All known genetic syndromes which are linked to autism have a high prevalence of sleep apnea. The prevalence of sleep apnea in Down's Syndrome is 50% - 100%. [68] Sleep problems and OSA in this population have been linked to language development. [69]
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 ...
Animals in Translation: Using the Mysteries of Autism to Decode Animal Behavior is a 2005 book by Temple Grandin and co-written by Catherine Johnson. Animals in Translation explores the similarity between animals and people with autism, a concept that was originally touched upon in Grandin's 1995 book Thinking in Pictures: My Life with Autism .
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.
Altered habituation processes have been linked to characteristic traits of ASD, such as under-responsiveness to some stimuli and over-responsiveness to others. [22] There are many genetic and epigenetic factors that can contribute to increased excitability, but one of the mechanisms implicated in ASD is alterations in GABAergic systems in the ...
Special interests were later one of the traits listed when autism first appeared in the DSM-III in 1980. [2] In 2024, special interests are listed as a diagnostic trait of autism in the current DSM-5-TR, described as "highly restricted, fixated interests that are abnormal in intensity or focus (e.g., strong attachment to or preoccupation with ...