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: Pediatrics
[{'content': 'Infantile autism is characterized by - \nSelect and explain. \nA. Impaired vision, B. Impaired Neurobehavioural development, C. Impaired folate level, D. All', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Impaired Neurobehavioural development o Autism is a neurological disorder. o It is more common in low socio-economic groups.", 'role': 'assistant'}]