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': 'Illusion is a disorder of ? \nSelect and explain. \nA. Thought, B. Perception, C. Affect, D. Emotion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans, B. PerceptionDisorders of perceptionAltered perception - Sensory distoion (micropsia, hyeracusis), Illusion.False perception - Hallucination.', 'role': 'assistant'}]