From a constructivist perspective knowledge is not acquired through “memorization” but constructed by assimilating information based on our perceptions and agreed conventions (Bates & Poole, 2003).

An authentic learning framework for integrating one-to-one laptop usage in Hong Kong Schools by Kathryn Reed and Matt Bower

This is completely wrong.

“Constructing” knowledge has almost nothing to do with, later on, actually remembering the knowledge you’ve constructed.

That’s why writers keep notebooks. If you don’t write down the knowledge you’ve just constructed, you won’t remember it the next day.