Medicine Which of the following is most characteristic of the brain in patients with Alzheimer’s disease A Pigmentary degeneration in hippocampus B Demyelination in cerebral cortex C Posterior column degeneration D Neuronal loss in cerebral cortex 💡 Explanation Which of the following is most characteristic of the brain in patients with Alzheimer’s disease ✓ Correct Answer: D. Neuronal loss in cerebral cortex