According to the Focus on Neuroscience, "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 levels of dopamine, a neurotransmitter associated with pleasure and reward. These drugs can cause a surge in dopamine, leading to the feelings of euphoria or heightened arousal that can contribute to addiction.

According to the Focus on Neuroscience, "The Addicted Brain," Heroin