Evidence suggests that the addictiveness of some drugs, including cocaine and nicotine, is related to increases in the activity of which of the following neurotransmitters?
A) dopamine
B) serotonin
C) acetylcholine
D) GABA

Question

Quizplus · Accepted Answer

Research studies have found that addictive drugs cause a surge of dopamine levels in the brain's reward circuitry, leading to feelings of pleasure and reinforcement. As a result, the brain becomes rewired to seek more of the drug to replicate this intense pleasure, leading to addiction. Nicotine and cocaine are among the drugs that have been found to increase the activity of dopamine.

Evidence Suggests That the Addictiveness of Some Drugs, Including Cocaine