Addictive drugs affect the brain's reward pathway, particularly the nucleus accumbens, leading to the release of dopamine. Over time, repeated drug use causes physical changes to the reward circuitry, making it increasingly difficult for the addict to stop using the drug. Therefore, all of these statements are correct.

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Addictive Drugs

Question 228

Multiple Choice

Addictive drugs

A) fool brain-reward pathways creating a compulsion to repeat the drug experience.
B) stimulate a brain region called the nucleus accumbens to release the neurotransmitter dopamine.
C) physically change the brain's reward circuitry, making it harder for the addict to overcome his or her addiction.
D) do all of these.

Correct Answer: