Autism - an Epidemic?
Professor David Skuse discusses the rise in autism diagnosis, which does not appear to relate to toxins, immunizations, or allergies.
Many people still suspect that the increasing number of children we recognize with autistic disorders reflects some aspect of our twenty-first century environment and its impact on their development. In truth, we do not know the cause of autism, but there is no evidence that toxins, immunizations, or allergies are responsible. We do know that the risk of developing autism is strongly influenced by our genetic inheritance, but not in any simple way.
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Professor David Skuse explains that autism is more common in boys than girls.
Professor David Skuse discusses the importance of identifying autism symptoms. Failing to diagnose the disorder can disrupt their social and educational attainments.
Professor David Skuse explains that symptoms of autism are not precisely distinct from 'normal' behavior.
Professor David Skuse explains that although it is difficult to calculate the exact proportion of individuals with autism, estimates put the figure at about 0.6 percent.
Professor David Skuse explains that it is highly probable that many different genes cause autism, with each gene contributing a small part to the symptomatology.
Professor David Skuse describes the key symptoms of autism, which include language impairment, communication difficulties, and rigid/repetitive behaviors.
Professor David Skuse explains that the language and social difficulties associated with autism correlate more closely than repetitive behavior symptoms.
Professor David Skuse discusses the problems in defining a threshold between normal behavior and autistic behavior.
Professor David Skuse discusses research that highlights the amygdala as a brain structure that may be impaired in autism.
Professor David Skuse discusses the importance of having standardized instruments when assessing clinical disorders such as autism.