According to the Focus on Neuroscience box: The Addicted Brain, heroin, cocaine, amphetamines, alcohol, and nicotine all affect levels of which of the following neurotransmitters?
A)endorphins
B)GABA
C)serotonin
D)dopamine

Question

Quizplus · Accepted Answer

Heroin, cocaine, amphetamines, alcohol, and nicotine all affect the levels of dopamine in the brain. Dopamine is a neurotransmitter associated with pleasure and reward, which can lead to addiction when its levels are artificially increased.

According to the Focus on Neuroscience Box: the Addicted Brain