![]() To get around this, the researchers surgically inserted medical tracking devices into the heads of three captive octopuses, placing lightweight data loggers often used on birds between their eyes before connecting them to electrodes inserted into a region of the octopuses’ brains responsible for learning and memory. 'Mind-boggling' scrambled genome found in octopus and squid. Octopuses torture and eat themselves after mating. Octopuses fling shells and sand at each other, and scientists caught their battles on video ![]() The creatures’ arms can reach to any part of their boneless bodies, so not only can they easily snatch and detach any invasive tracking object, but there is no obvious place in which to anchor recording devices that can detect brain waves. However, octopuses’ minds can be difficult to peer into. The animals possess remarkable memories, excel at camouflage are curious about their surroundings, have been observed using tools to solve problems, and - as the ripples of colors that flash across their skin as they sleep indicate - are even thought to dream. Octopuses and other cephalopods have long been studied because of their intelligence. ![]() ![]() ![]() Octopuses and their close cephalopod relatives, such as squid and cuttlefish, have been a subject of fascination among biologists ever since the third century A.D., when Roman author and naturalist, Claidius Aelianus, noted their "plainly seen" characteristics of "mischief and craft." Related: Octopuses may be terrifically smart because of this genetic quirk they share with humans ![]()
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