Studies of amnesia victims suggest that

A) memory is a single,unified system.
B) there are two distinct types of memory.
C) there are three distinct types of memory.
D) memory losses following brain trauma are unpredictable.

Studies of amnesia victims have shown that there are two distinct types of memory: explicit (or declarative) memory, which is memory for facts and events, and implicit (or procedural) memory, which is memory for skills and habits. Amnesia patients tend to have intact implicit memory but struggle with explicit memory.