Question

It has been five years since you've taken a psychology course and you find yourself back in school taking introduction to psychology all over again. unfortunately, you're having a difficult time remembering anything that you learned previously. your forgetting in this situation is most likely due to _____.

Answer 1

I believe the answer is: Decay.
In psychological term, decay refers to the process where memory started to faded over time if it's not constantly retreived
The main cause of such process is the deterioration of brain cells that common to happen as we got older.