What Did Researchers Learn from the Profound Amnesia That H

Multiple Choice

What did researchers learn from the profound amnesia that H.M.experienced after undergoing surgery to control his epilepsy

A)  The hippocampal complex plays a key role in the consolidation of long-term memories. 
B)  The prefrontal lobes are the storage area for most long-term episodic memories. 
C)  Long-term memories are consolidated and stored in the cerebellum. 
D)  The cortex houses detailed and persistent recordings of past experiences and events.