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  2. Heritability of autism - Wikipedia

    en.wikipedia.org/wiki/Heritability_of_autism

    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 ...

  3. Causes of autism - Wikipedia

    en.wikipedia.org/wiki/Causes_of_autism

    Diseases such as measles can cause severe disabilities and even death, so the risk of death or disability for an unvaccinated child is higher than the risk for a child who has been vaccinated. [189] Despite medical evidence, antivaccine activism continues. A developing tactic is the "promotion of irrelevant research to justify the science ...

  4. Developmental disorder - Wikipedia

    en.wikipedia.org/wiki/Developmental_disorder

    The scientific study of the causes of developmental disorders involves many theories. Some of the major differences between these theories involves whether environment disrupts normal development, if abnormalities are pre-determined, or if they are products of human evolutionary history which become disorders in modern environments (see evolutionary psychiatry). [5]

  5. Empathising–systemising theory - Wikipedia

    en.wikipedia.org/wiki/Empathising–systemising...

    Subsequent research showed that there could indeed be a sex difference between males and females, but that males actually looked more at human faces than females on average. [63] A European Union Horizon 2020 backed research program in brain and autism research pointed at genetic factors, confirming individual differences in object or human ...

  6. Heritability - Wikipedia

    en.wikipedia.org/wiki/Heritability

    Heritability could increase if genetic variation increases, causing individuals to show more phenotypic variation, like showing different levels of intelligence. On the other hand, heritability might also increase if the environmental variation decreases, causing individuals to show less phenotypic variation, like showing more similar levels of ...

  7. Autism - Wikipedia

    en.wikipedia.org/wiki/Autism

    Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder characterized by repetitive, restricted, and inflexible patterns of behavior, interests, and activities; deficits in social communication and social interaction; and the presence of high or low sensory sensitivity.

  8. Genetic variation - Wikipedia

    en.wikipedia.org/wiki/Genetic_variation

    Genetic variation is the difference in DNA among individuals [1] or the differences between populations among the same species. [2] The multiple sources of genetic variation include mutation and genetic recombination. [3] Mutations are the ultimate sources of genetic variation, but other mechanisms, such as genetic drift, contribute to it, as ...

  9. CHAMP1-associated intellectual disability syndrome - Wikipedia

    en.wikipedia.org/wiki/CHAMP1-associated...

    CHAMP1-associated intellectual disability syndrome, also known as autosomal dominant intellectual disability type 40, is a rare genetic disorder characterized by intellectual disabilities, developmental delays, facial dysmorphisms, and other anomalies.