Medicine Which of the following sites is responsible for the amnestic defect in Wernicke&;s Korsakoff syndrome: A Mamillary body B Thalamus C Periventricular Grey matter D Hippocampus 💡 Explanation Which of the following sites is responsible for the amnestic defect in Wernicke&;s Korsakoff syndrome: ✓ Correct Answer: B. Thalamus