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: Psychiatry
[{'content': 'What are the EEG waves recorded for the parietooccipital region with subject awake & eye closed \nSelect and explain. \nA. Alpha waves, B. Beta waves, C. Delta waves, D. Theta waves', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Alpha rhythm is most marked in parietal and occipital lobe. It is produced when the person is awake with eye closed.', 'role': 'assistant'}]