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    9 months ago
    Mirror test
    From Wikipedia, the free encyclopedia
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    A baboon looking in a mirror

    The mirror test – sometimes called the mark test, mirror self-recognition test (MSR), red spot technique, or rouge test – is a behavioural technique developed in 1970 by psychologist Gordon Gallup Jr. as an attempt to determine whether an animal possesses the ability of visual self-recognition.[1] The MSR test is the traditional method for attempting to measure self-awareness. However, there has been agreement that animals can be self-aware in ways not measured by the mirror test, such as distinguishing between their own and others’ songs and scents.[2] On the other hand, animals that can pass the MSR do not necessarily have self-awareness.[3]

    In the classic MSR test, an animal is anaesthetised and then marked (e.g. painted, or a sticker attached) on an area of the body the animal cannot normally see. When the animal recovers from the anesthetic, it is given access to a mirror. If the animal then touches or investigates the mark, it is taken as an indication that the animal perceives the reflected image as itself, rather than of another animal.

    Very few species have passed the MSR test. As of 2015, only great apes (including humans), a single Asiatic elephant, dolphins, orcas and the Eurasian magpie have passed the MSR test. A wide range of species have been reported to fail the test, including several species of monkey, giant pandas, sea lions, and dogs.[4][5] https://en.wikipedia.org/wiki/Mirror_test

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