Back to today’s briefing

Story perspectives

Study Reveals Pupil Size Key to Memory Processing

1/2/2025

30 7

Summary

Story summary

A groundbreaking Cornell University study uncovers that pupil size during non-REM sleep plays a crucial role in memory processing. Contracted pupils signal the brain's replay of fresh memories, while dilated pupils hint at recalling older ones. This fascinating mechanism helps prevent "catastrophic forgetting," paving the way for advancements in memory enhancement and AI technology.

1 of 1

Story summary

A groundbreaking Cornell University study uncovers that pupil size during non-REM sleep plays a crucial role in memory processing. Contracted pupils signal the brain's replay of fresh memories, while dilated pupils hint at recalling older ones. This fascinating mechanism helps prevent "catastrophic forgetting," paving the way for advancements in memory enhancement and AI technology.