Nelson Is Trying to Understand Why His Son Abuses Drugs

Multiple Choice

Nelson is trying to understand why his son abuses drugs.He knows that genetics plays a role,but he wants to go deeper than that.He comes across a theory called the reward-deficiency syndrome,which states that people abuse drugs because

A) their reward pathways don't respond normally to daily events.
B) they don't receive enough love as a child.
C) they don't value positive reinforcement and avoid punishment like normal.
D) their neurotransmitters are lacking a protein substance that helps them activate the postsynaptic membrane.