Can cephalopods reason? Cuttlefish passes cognitive test designed for children

Cuttlefish assed a cognitive test designed for humans
Credit: Delicious

Scientists have discovered something intriguing about cuttlefish after putting them through a โ€œmarshmallow test.โ€ The test, which is designed for children, showed that the cuttlefish have the ability to exert self-control for several seconds, whereas several other creatures can exert it for several minutes.

This discovery, the researchers say, is an example of advanced self-control and shows that the creatures perform better in cognitive tasks. It has also been hypothesized that these positive results could show a response to specific socio-ecological pressures.

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This ability to learn and adapt could be part of what helps the cuttlefish survive in the dangerous world that it lives within. The new marshmallow test that the cuttlefish were given saw the cuttlefish put in a small area with crab meat. They found that the cuttlefish could refrain from eating the crab meat because they learned that something better was coming at dinner time.

The test is very simple, and because it can be adjusted so simply, itโ€™s easy to adjust it for multiple types of animals. Further, the ability to delay instead of gratification demonstrates a cognitive ability that allows for future planning. This is, obviously, seen in humans, and has been studied in other animals as well.

This is an excerpt. Read the full article here

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