This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
"Reward pathway" is associated with 
Select and explain. 
A. Nucleus accumbens, B. Nucleus ambiguous, C. Dentate nucleus, D. Substantia nigra
A: Nucleus accumbens
Answer: A: Nucleus accumbens 
Explanation: (A) Nucleus accumbens# NUCLEUS ACCUMBENS has a significant role in the cognitive processing of motivation, pleasure, and reward and reinforcement learning, and hence has significant role in addiction.