Biological factors suspected of contributing to ASDs include
A) abnormal brain wave patterns or seizures.
B) increased activity in the frontal and temporal lobes.
C) contact with lead or other heavy metals in utero.
D) vaccines, particularly those that include a mercury preservative.

Question

Quizplus · Accepted Answer

Abnormal brain wave patterns or seizures are biological factors that have been associated with Autism Spectrum Disorders (ASDs). Other options like vaccines have been largely discredited as causes of ASDs.

Biological Factors Suspected of Contributing to ASDs Include