This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Self-stimulation is experimentally done from which pa of brain \nSelect and explain. \nA. Medial forebrain bundle, B. Area around aqueduct of sylvius, C. PV region of hypothalamus, D. Radical radiotherapy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. Medial forebrain bundleMedial forebrain bundle is one of the areas responsible for self-stimulationResponsible Centres for Self-stimulationVentral tegmentumdegMedial forebrain bundleQNucleus accumbensQFrontal coex0Drugs that block post-synapticin creases it. The main site D3 receptors dopaminergic reduces the rate of self-stimu ation. Dopamine agonist of the relevant receptor is the nucleus accumbens located at striatum base.', 'role': 'assistant'}]