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Asperger syndrome was a relatively new diagnosis in the field of autism, [152] though a syndrome like it was described as early as 1925 by Soviet child psychiatrist Grunya Sukhareva (1891–1981), [153] [1] As a child, Asperger appears to have exhibited some features of the very condition named after him, such as remoteness and talent in language.
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 ...
If parents have one autistic child, they have a 2% to 8% chance of having a second child who is autistic. If the autistic child is an identical twin, the other will be affected 36% to 95% of the time. A fraternal twin is affected up to 31% of the time. [188]
One project has published several reports suggesting that high levels of fetal testosterone could produce behaviors relevant to those seen in autism. [88] Based in part on animal studies, diagnostic ultrasounds administered during pregnancy have been hypothesized to increase the child's risk of autism. This hypothesis is not supported by ...
The Childhood Autism Spectrum Test, abbreviated as CAST and formerly titled the Childhood Asperger Syndrome Test, is a tool to screen for autism spectrum disorder in children aged 4–11 years, in a non-clinical setting. [1] It is also called the Social and Communication Development Questionnaire. [2]
Ranking your child’s reactions on a scale of one to 10 can help parents and psychologists better understand the severity of these instances. Finally, duration is crucial in knowing when it might ...
Do-si-Do with Autism: Sarah Stup [o] USA [169] 2007 Blackwolf Soon I Will Be Invincible: Austin Grossman USA [170] 2007 Adam Eye Contact: Cammie McGovern USA [171] Amelia 2008 Jessica Fontaine The Language of Others: Clare Morrall England [172] [173] 2008 Gillian Grayson Mass Effect: Ascension: Drew Karpyshyn Canada [174] 2008 Mickey Tussler
In his preword to the book Asperger's and Girls, Attwood writes: "These tentative explanations for the apparent underrepresentation of girls with Asperger's Syndrome have yet to be examined by objective research studies." [26] Another clinician, William Mandy, hypothesized referrals for ASD assessment are often started by teachers.