Mr. Nydam is unable to remember playing golf several times each week on a particular course. Yet the more he plays the course, the more his game improves. His experience illustrates the need to distinguish between

The correct answer is "Explicit memory and implicit memory".

Explanation:

Explicit memory is the type of memory that could be recalled and remembered intentionally, while implicit memory works at an experiential or functional level. Mr. Nydam being unable to remember playing golf, but he gets better on the game the more he plays it, illustrates the need to distinguish between explicit memory and implicit memory. It is likely that Mr. Nydam ability to play golf works as an implicit memory because he cannot recall playing golf before intentionally.