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': "EEG waves are called ? \nSelect and explain. \nA. Delta waves, B. Berger's waves, C. REM rhythm, D. NERM rhythm", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Berger's waves EEG rhythms are called Berger's rhythm.", 'role': 'assistant'}]