Body Atlas

Memory and Learning · Brain

Why do we forget?

A brain that kept everything would be worse, not better.

The simple answer

Forgetting feels like failure. It mostly isn't. A memory system that retained everything equally would bury what matters under an avalanche of what doesn't.

Go deeper

There's more: a brain that kept everything would be worse, not better. The full explanation — and the interactive version you can tap and quiz yourself on — lives in the app.

Explore this concept in Body Atlas →

Body Atlas is an educational product. It does not provide diagnosis, treatment, or personal medical advice. · Privacy