Beatriz Flamini's 500-day cave experiment

Woman who spent 500 days in cave with no human contact suffered terrifying side effect.

Oct 12, 2026

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Beatriz Flamini's 500-day cave experiment

Woman who spent 500 days in cave with no human contact suffered terrifying side effect.

In brief

Woman who spent 500 days in cave with no human contact suffered terrifying side effect. Beatriz Flamini emerged from a 500-day cave isolation experiment in April 2023 with auditory hallucinations, balance issues, and memory loss. Originally reported by LADbible.

Beatriz Flamini's cave experiment

Beatriz Flamini's cave experiment

Beatriz Flamini spent 500 days in a cave in Granada, Spain with no human contact.

She lost sense of time

She believed she had only been in the cave for 160-170 days during the experiment.

Auditory hallucinations

She experienced auditory hallucinations and recorded sounds to prove they were real.

“You are silent and the brain makes it up”

Balance and memory issues

Her balance was off for a while. (JORGE GUERRERO/AFP via Getty Images)

She had balance problems, short-term memory loss, and reduced peripheral vision after emerging.

The key point

Beatriz Flamini emerged from a 500-day cave isolation experiment in April 2023 with auditory hallucinations, balance issues, and memory loss.

Read the original on LADbible

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