Which of the following was largely unaffected after the memory patient H. M.'s surgery?

A) implicit memory
B) verbal memory
C) explicit memory
D) visuospatial memory

Implicit Memory

Refers to unconscious memory processes that enable humans to perform tasks without actively thinking about them, such as riding a bike.

Explicit Memory

A type of long-term memory involving conscious recollection of factual information, previous experiences, and concepts.

Verbal Memory

The ability to remember and recall verbal information, including words and languages.