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': 'Neurophysiological defects due to damage of left hemisphere in left handed person includes \nSelect and explain. \nA. Agraphia, B. Dyscalculia, C. Astereognosis, D. Anosognosia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In left handed person, left hemisphere is the dominant or categorial hemisphere.\nIt damage leads to dyscalculia.', 'role': 'assistant'}]