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: Physiology
[{'content': 'The mechanism of learning and memory, include all except: \nSelect and explain. \nA. Changes in level of neurotransmitter at synapse, B. Increasing protein synthesis, C. Recruitment by multiplication of neurons, D. Spatial Reorganization of synapse', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Recruitment by multiplication of neurons', 'role': 'assistant'}]