We can only recall a very small proportion of the memories we make each day.
New research finds that rewarding memories are recalled preferentially because the brain replays them automatically when we are at rest.
The brain prioritises rewards as they are important cues about future behaviour.
Professor Charan Ranganath, one of the study’s authors, said:
“Rewards help you remember things, because you want future rewards.
The brain prioritizes memories that are going to be useful for future decisions.”
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