2026-04-02 14:02:30
A teenage girl can “time travel” through her life – replaying memories like an HD movie and even previewing the future.
The 17-year-old, known as TL, has a rare condition called hyperthymesia, which means she can remember personal experiences in extraordinary detail.
She can also imagine future events so vividly they feel like memories.
TL’s brain doesn’t just store memories – it organises them.
She describes a vast “white room” in her mind where personal memories are kept in neatly arranged binders, sorted by themes like family, holidays and friends.
Even her soft toys have their own entries, complete with details of when she got them and from whom.
Meanwhile, less important information is stored separately as “black memory”.
She can mentally flick through these binders to relive events from her own perspective – or even as an outsider watching herself.
The case was studied by scientists led by Valentina La Corte at Université Paris Cité.
Writing in Neurocase, they said: “This is the first observation of hyperthymesia with a full evaluation of mental time travel capacities in different temporal distances, encompassing the individual capacity to retrieve personal events from the personal past as well as to foresee personal events in the future.”
Researchers found TL could recall childhood and teenage memories with remarkable accuracy – far above average.
She could also imagine future scenarios with a strong sense of “pre-experience”, meaning they felt almost real.
TL first noticed her unusual ability at just eight years old, but kept quiet after being accused of making things up.
She even has dedicated “rooms” in her mind to manage emotions – including a cold “pack ice” space to calm down and a “problems room” to think things through.
Experts say fewer than 100 people worldwide are known to have hyperthymesia.
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