The general consensus is that disorders of the autism spectrum
A)are not related to any detectable brain growth abnormalities.
B)are directly caused by pediatric vaccines containing thimerosal.
C)are neurobiological in nature and have high family concordance rates.
D)cannot be reliably diagnosed because there is too much variation.

Question

Quizplus · Accepted Answer

The current understanding is that disorders of the autism spectrum have neurobiological origins and are highly heritable. While there is no single known cause, studies have shown that there are differences in brain structure and function in individuals with autism compared to neurotypical individuals. Additionally, studies have found higher rates of autism in families with a history of the disorder.

The General Consensus Is That Disorders of the Autism Spectrum