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: Psychiatry
[{'content': 'Scientist who won Nobel prize for research in split brain personality? \nSelect and explain. \nA. Penfield, B. Roger Sperry, C. Michael Morgis, D. George D. Snell', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) Roger Sperry# Roger Sperry being awarded the Nobel Prize in Physiology or Medicine in 1981.> Sperry received the prize for his discoveries concerning the functional specialization of the cerebral hemispheres.> With the help of so-called "split brain" patients, he carried out experiments, and for the first time in history, knowledge about the left and right hemispheres was revealed.', 'role': 'assistant'}]