The mesolimbic reward pathway
Which pathway is most associated with the reinforcing effects of addictive drugs?
Answer A: explanation for every choice
A
Correct. The mesolimbic dopamine pathway from the VTA to the nucleus accumbens drives reward and reinforcement.
B
The nigrostriatal pathway controls movement and degenerates in Parkinson's disease.
C
The tuberoinfundibular pathway from the hypothalamus regulates pituitary hormones, including inhibition of prolactin.
D
The retinohypothalamic tract carries light information that sets circadian rhythms.
TakeawayVTA → nucleus accumbens = reward.
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Reviewed 2026-11-05 by a medical student. Spot an error? Report it with question ID ps42.