Question

Jason's mother has recently undergone testing by a doctor specializing in memory. the results of her tests indicate that her encoding and storage are functioning fine, but that the process of _____, one of the three fundamental processes involved in memory, is not functioning well.

Answer 1

I believe the answer is: retrieving

In this context, retrieving refers to the process of acquiring the memory that has been previously stored inside our brain.
Malfunction in retrieving process would caused an individual to unable to remember necessary information in their head even though the feel as if their memory is operating normally.