The French isolation study is completed after 40 days

Have you ever wondered how it would feel like to break away from a hyper-connected world and hide in a cave for a few weeks? Fifteen people in France found out.

After 40 days of voluntary isolation in a dark, damp, large cave, eight men and seven women who participated in a science experiment emerged on Saturday from their self-segregation in the Pyrenees.

With big smiles on their pale faces, the 15 participants came out of the Lombrive cave in applause and basked in daylight while wearing special goggles to protect their eyes after so long in the dark.

“It’s really warm!” said one.

For 40 days and 40 nights, the group lived in and explored the cave without a sense of time. Inside there were no clocks and no sunlight, where the temperature was 10 degrees Celsius (50 F) and the relative humidity was 100%. The cave dwellers had no contact with the outside world, had no updates on the pandemic or any communication with friends and family on earth.

Scientists at the Institute for Human Adaptation leading the $ 1.2 million, $ 1.5 million “Deep Time” project say the experiment will help them better understand how people adapt to drastic changes in living conditions and environments, something with which can be closely related to the coronavirus pandemic world.

In partnership with laboratories in France and Switzerland, the scientists monitored the 15-member group’s sleep patterns, social interactions and behavioral responses through sensors. One of the sensors was a small thermometer inside a capsule that participants swallowed like a pill. Capsules measure body temperature and transmit data to a laptop until they are expelled naturally.

Team members followed their biological classes to know when to wake up, sleep, and eat. They counted their days not in hours but in sleep cycles.

On Friday, scientists monitoring the participants entered the cave for the first time since the start of the experiment. They said many of the people in the research group miscalculated how long they had been in the cave and thought they had another week to 10 days to do.

“It’s really interesting to observe how this group synchronizes themselves,” project director Christian Clot said in a recording made from inside the cave. Working together on projects and organizing assignments without being able to set a time to meet was particularly challenging, he said.

Although the participants looked visibly tired, two-thirds of them expressed a desire to stay underground a little longer in order to complete the group projects started during the expedition, Benoit Mauvieux, a research chronobiologist involved, told the Associated Press.

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Video: Geologists explore the history of cave ice

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citation: Outside the Cave: French Isolation Study Completes After 40 Days (2021, April 24) Retrieved April 24, 2021 from https://phys.org/news/2021-04-cave-french-isolation-days.html

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