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': "In Alzheimer's disease, the pathology seen in the brain is - \nSelect and explain. \nA. Atrophy of parietal and temporal lobes, B. Atrophy of temporal lobes, C. Atrophy of temporal and occipital lobes, D. Atrophy of parietal and occipital lobes", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Atrophy of parietal and temporal lobesGross pathology in Alzhiemer's disease:o Diffuse cerebral atrophy of the hippocampus, amygdala and entorhinal coex.o Enlargement of the ventricles caused by neuronal loss.Grossly the brain shows a variable degree of coical atrophy marked by widening of the cerebral sulci.These changes are most pronounced in the temporal and parietal lobes: Frontal lobes can also be involved.", 'role': 'assistant'}]