Author Question: There are a number of hypotheses about the biologic causes of autism spectrum disorders. Most ... (Read 14 times)

moongchi · **on:** Jun 22, 2018

There are a number of hypotheses about the biologic causes of autism spectrum disorders. Most researchers would agree that ____ play a role.

a. genetic risk factors, environmental risk factors, and gene-environmental interactions
b. gene x environmental interactions only
c. genetic risk factors only
d. environmental risk factors only

Question 2

Molly hears that addiction may be due to changes in brain patterns and activity as a result of repeated drug use. When she asks her professor why this is so, he cites research which states that ____.

a. what she has heard is only a myth, and has no basis in fact
b. only individuals with familial alcoholism and drug addiction are likely to show these changes in brain patterns
c. the chronic flooding of dopamine from drug use eventually results in compulsive drug-seeking behavior
d. the research is merely correlational and no one is certain why this happens