Octopuses have hundreds of suckers, each one equipped with its own ganglion with thousands of neurons. These 'mini-brains' are interconnected, making for a widely distributed nervous system. That is why a severed octopus arm may crawl on its own and even pick up food.

Frans de Waal

Frans de Waal

Arm Crawl Distributed Each Equipped Even Food Interconnected Making May Nervous Nervous System Neurons Octopus Own Pick Severed System Thousands Up Why Widely

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