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': 'Term catatonia was used by - \nSelect and explain. \nA. Karl kahlbaum, B. Adolf meyer, C. Leo kanner, D. Karen homey', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Karl kahlbaum coined the terms catatonia and cyclothymia.', 'role': 'assistant'}]