Think of a library. A new book has to be brought in and catalogued, it has to sit on a shelf, and later someone has to find it and take it down. Memory works in the same three stages.
| Stage | What happens | In the library |
|---|---|---|
| Encode | You take the information in and make sense of it. | The book is brought in and catalogued. |
| Store | Your brain keeps it over time. | The book sits on the shelf. |
| Retrieve | You pull it back out when you need it. | Someone finds the book and takes it down. |
Key idea
A memory can fail at any of the three stages. Good memory habits help each one: make it vivid to encode it, space it out so it stays stored, and pull it from your head to make retrieval stronger.
Why it works
That is the whole system on the infographic Remember It on Purpose: ENCODE, then SPACE, then RETRIEVE. Each technique in this course helps one or more of those stages.
Worked example: Worked example
Ana read a page about volcanoes while watching a video. The next day she could not remember a single fact. Which stage most likely failed?
- She could not retrieve anything at all, not even with hints.
- Her attention was split, so the facts were never encoded well.
- A memory that never went in can't be stored or retrieved.
Answer: Encoding. The facts were never taken in properly.
Worked example: Another example
Ben knew the capital of Peru last month but can't recall it now. When a friend says "It starts with L," he says, "Lima!" Which stage was the trouble?
- The memory was still stored: a small hint brought it back.
- So the trouble was finding it.
Answer: Retrieval. The memory was there; he needed a cue to find it.
Common mistake
Thinking memory is one thing you either have or don't. It is a process with three stages, and each one can be trained.