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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 new Canadian study suggests that women who take antidepressants during pregnancy may be more likely to give birth to children with autism.
Modern research generally agrees that there is a largely epigenetic etiology of autism spectrum disorders. [2] The terms refrigerator mother and refrigerator parents were coined around 1950 as a label for mothers or fathers of children diagnosed with autism or schizophrenia. Both terms are now regarded as stigmatizing, and no longer used.
This same association was replicated in the longitudinal studies. Children prenatally exposed to VPA or with fetal valproate syndrome (FVS) have a higher prevalence of ASD. FVS is a rare condition in children that happens due to VPA exposure during the first trimester of pregnancy. [48]
A 2015 systematic review and meta-analysis found that children with a family history of autoimmune diseases were at a greater risk of autism compared to children without such a history. [107] When an underlying maternal autoimmune disease is present, antibodies circulating to the fetus could contribute to the development of autism spectrum ...
Unusual responses to sensory stimuli are more common and prominent in individuals with autism, and sensory abnormalities are commonly recognized as diagnostic criteria in autism spectrum disorder (ASD), as reported in the DSM-5; although there is no good evidence that sensory symptoms differentiate autism from other developmental disorders. [84]
Ferster's model saw autism as a by-product of social interactions between parent and child. Ferster presented an analysis of how a variety of contingencies of reinforcement between parent and child during early childhood might establish and strengthen a repertoire of behaviors typically seen in children diagnosed with autism.
The Journal of Autism and Developmental Disorders is a monthly peer-reviewed medical journal covering research on all aspects of autism spectrum disorders and related developmental disabilities. The journal was established in 1971 as the Journal of Autism and Childhood Schizophrenia , obtaining its current title in 1979. [ 1 ]