H.M.showed little or no long-term retention on the
A) digit-span +1 test.
B) mirror-drawing test.
C) rotary-pursuit test.
D) incomplete pictures test.
E) Pavlovian conditioning test.

Question

Quizplus · Accepted Answer

H.M., a patient with severe anterograde amnesia following bilateral medial temporal lobe resection, showed little or no long-term retention on tasks requiring explicit (declarative) memory, such as the digit-span +1 test, which assesses short-term memory capacity and requires conscious recall of numbers. However, he retained the ability to learn and improve on tasks that involve procedural or implicit memory, such as mirror-drawing, indicating that these types of memory are supported by different brain systems.

H.M.showed Little or No Long-Term Retention on the