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': 'Frontal lobe syndrome involves \nSelect and explain. \nA. Impaired recent memory, B. Emotional instability, C. Attention deficit, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Frontal lobe syndrome : \n\nEuphoria\xa0\nImpaired recent memory\nFlight of ideas\nAttention deficit', 'role': 'assistant'}]