This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cognitive development and defence mechanism, Subject name: Psychiatry
Term 'Catatonia' was used by 
Select and explain. 
A. Karl kahlbaum, B. Adolf Meyer, C. Leo Kanner, D. Karen Horney
A: Karl kahlbaum
Answer: A: Karl kahlbaum 
Explanation: Contributor: Kahlbaum, Karl (1828-1899) Coined the Term: Catatonia, Symptom complex, Cyclothymia Ref: A Sho Textbook of Psychiatry, Niraj Ahuja, 7th Edition, pg. no.244