Scenario II Famous Within Psychology, Patient HM Had Parts of His Temporal

Multiple Choice

Scenario II
Famous within psychology, Patient HM had parts of his temporal lobes-including his hippocampus-removed to stop incurable and life-threatening epileptic seizures. The surgery was successful; however, Patient HM was left with a severe case of anterograde amnesia. Subsequent tests found that his short-term and implicit memory systems were not affected by the surgery.
-(Scenario II) Which of these memory processes were severely impaired by the surgery?

A) episodic memories from after the surgery.
B) episodic memories from years before the surgery.
C) procedural memories from both before and after the surgery.
D) procedural memories from only after the surgery.