2023-10-19 17:40:53
By Soline Roy
Published yesterday at 7:40 p.m., Updated yesterday at 8:54 p.m.
An electroencephalogram measures brain activity during sleep. KATERYNA KON/SCIENCE PHOTO LIBRA / Science Photo Library via AFP
DECRYPTION – Researchers have managed to interact with sleepers, and show that during our sleep, we are far from being as disconnected from the world as we thought…
Pizza, or dizta? This is not the menu of the latest trendy restaurant, but the choice to which 49 sleepers were subjected within the sleep pathologies department of Pitié-Salpêtrière, in Paris. They had to, during their sleep, distinguish real words and “pseudo-words” (words which do not exist, but whose structure makes them “plausible”) slipped into their ear, and report to the researchers the result of their thoughts, smiling or frowning three times in a row depending on whether they validated the vocabulary or not. And the result surprised the research team: most of the sleepers turned out to be able to perform this task, showing elaborate cognitive activity, and this in almost all sleep stages.
« This work follows an article published in 2021 in which we showed that we could communicate with lucid dreamers (a rare ability to be aware of dreaming, or even to influence the dream scenario…
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