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New Study Revives Memories Through 'Mental Time Travel'

7/30/2025

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Summary

Story summary

A groundbreaking study in PNAS uncovers that "mental time travel" can breathe new life into fading memories by evoking original emotions and thoughts, enhancing recall within hours. However, this effect wanes after a week. In a parallel discovery, researchers found that mice's memories of locations "drift" over time, shaking up long-held beliefs about how memories are stored.

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Story summary

A groundbreaking study in PNAS uncovers that "mental time travel" can breathe new life into fading memories by evoking original emotions and thoughts, enhancing recall within hours. However, this effect wanes after a week. In a parallel discovery, researchers found that mice's memories of locations "drift" over time, shaking up long-held beliefs about how memories are stored.