Answer:
Context-dependent memory
Step-by-step explanation:
Context-Dependent memory is that we remember information better when we attempt to recall it in the context in which we learned it. If we study with the TV or stereo on, we also take the test within the "Context" of the TV or Stereo.
In the case of this student, he can't recall some episodes because the context present in room 100 and room 317 are not the same