The surgery that H.M. underwent impaired his _______ memory but left his _______ memory largely intact, meaning he could still learn to perform procedural tasks like mirror drawing.
A) implicit; explicit
B) declarative; nondeclarative
C) nondeclarative; declarative
D) semantic; episodic

Question

Quizplus · Accepted Answer

Declarative memory includes explicit memory for facts and events, while nondeclarative memory includes implicit memory for skills and habits. Mirror drawing is a procedural task that relies on nondeclarative memory. Therefore, the surgery impaired his explicit/declarative memory but left his implicit/nondeclarative memory largely intact.

The Surgery That H