Do octopuses dream? Brain recordings provide the first clues

When octopuses sleep, strange patterns sometimes flicker across their skin. Now, neuroscientists have been able to peer into the brain of a sleeping octopus for the first time - and explore this strange sleep state. They find remarkable similarities to the way that humans and other vertebrates sleep, despite the millions of years of evolution separating the two groups.

Read more in the paper: https://www.nature.com/articles/s41586-023-06203-4

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