Answer:
recognition memory.
Explanation:
Recognition memory: In psychology, the term "recognition memory" is described as one of the sub-categories of an individual's declarative memory.
Recognition memory referred to an individual's capability to recognize formerly encountered individuals, events, or objects. When an individual encounter the formerly experienced phenomena again then the environmental content is being matched to his or her already stored different memory representations and often triggers a matching signal.
In the question above, Dr Frolicker is testing recognition memory.