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Originally Posted by Piers
Maybe not, but the mirror test does suggest something special. The mirror test does not simultaneously demonstrate everyone's concept of self awarenesses, it is not magic, but is nether the less an interesting metric related to self awareness.
The way the test is given to animals is in two parts. The first is to place a dot on them that they can see without a mirror (for instance, on their arm) and the second is to place a dot on them that they can only see using a mirror (for instance, on the forehead).
The first test is to make sure that the animal has an aversion to having dots on them. Without it, you can't really interpret the results of the second test as it is perfectly possible that the animal doesn't find dots to be problematic.
The problem is in interpreting what it means when an animal is capable of recognizing that there is a dot on their arm and removing it and differentiating between that and it doing the same thing using a mirror.
Is there a clear difference in conscious self-awareness between "crap there is a spot on me, must get it off" and "there is a spot on that representation of me in the mirror, must get it off"?!?
The only important difference between the two tests is that one involves a mirror.
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I believe twelve species have passed, and they pretty match the species one would consider most intelligent and hence have the strongest self aware traits. Although the magpie might be a surprise, great apes, dolphins and elephants are exactly what one would expect. In other words it seems to work.
It works on social animals that self-groom and primarily use visual skills and are smart enough to understand how a mirror works.
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Any ideas on how to give the mirror test to a sperm whale?
They aren't visual animals, but you would just need a very very large mirror and some very very brave divers.