New preprint suggests the brain encodes all moments equally, but retrieval favors information-rich, interconnected details—explaining gist memory without costly feedback.
Three things to remember
- Uniform sampling model outperforms surprise-based theories in explaining narrative recall.
- Mutual information, not surprise, predicts which moments are remembered best.
- Findings align with energy-efficient encoding and ancestral oral traditions.
Source
This signal is based on Efficient uniform sampling explains non-uniform memory of narrative stories from biorxiv. Read the original report for full context.
Health note: Preprint; not yet peer-reviewed. Findings based on immediate recall of narratives; generalization to other memory types and delayed recall remains untested.