Are our memories strengthened by sleep, and if so, what can teachers do?
Retrieval practice can impair retention of competing information that is not episodically or semantically related to the retrieved item (Liu + Ranganath, 2021).
Put simply, retrieval-induced forgetting is the phenomenon in which remembering causes forgetting of other information. Conscious remembering is retrieved through explicit memory, but actual forgetting occurs in our implicit (subconscious) memory.