Patient H.M., whose hippocampi and medial temporal lobes were removed, suffered from
A) anterograde amnesia.
B) confabulation.
C) retrograde amnesia.
D) Korsakoff's syndrome.

Question

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Patient H.M. suffered from anterograde amnesia, which is the inability to form new memories after the removal of his hippocampi and medial temporal lobes. He could remember events from before the surgery, but had difficulty forming new memories afterward.

Patient HM