Jellyfish change their behaviour based on past experiences, researchers have revealed, in a study that suggests learning could be a fundamental property of the way nerve cells work.
Unlike humans, jellyfish do not have a central brain. However, box jellyfish have clusters of neurons associated with the creatures’ eye-like structures, known as rhopalia, with this system – known as rhopalia – acting as visual information processing centres.
Now researchers studying the tiny Caribbean box jellyfish say they have
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