This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Illusions are a disorder of \nSelect and explain. \nA. Cognition, B. Perception, C. Emotion, D. Eye', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Read definitions of sensation, perception, Also know types of perceptual differences', 'role': 'assistant'}]