Seitenrichtiger Spiegel / True-sided Mirror

Stations-ID: D027

Instructions:

Step between the two mirrors and look into them.

How many mirror images do you see? Are they all the same?

• Count the number of mirror images

• Lift your right hand. What are your mirror images doing?

• In what angle are the mirrors placed to each other?

• Look carefully at your face in the mirrors.

Humans are not the only ones who can recognise themselves in the mirror. The so-called ‘mirror test’ is a criterion for the existence of self-awareness in animals.  To do this, the animals’ forehead or chest is marked with a conspicuous spot. If the animal tries to remove the mark, this is an indication that the animal recognises the reflection as its own. In addition to infants, great apes and some toothed whale species also pass the test.

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