Ambiguous figure illusions: do they offer a window on the mind?

Ambiguous figure illusions: do they offer a window on the mind?

Ambiguous figure illusions: do they offer a window on the mind? 150 150 icnagency

By: Nathalia Gjersoe | Ambiguous figure illusions: do they offer a window on the mind? | Neuroscience | The Guardian

Do you see a wife, or a mother-in-law in this picture? Ambiguous figures have intrigued scientists since the 1800s, but what can they tell us about our visual system?

This figure is called ‘My Wife and my Mother-in-Law’. There are two different ways of interpreting this image. One is of a young lady looking back over her shoulder, the other of an elderly lady in profile looking down.

This sort of image is referred to as an “illusory” or “ambiguous” figure. In this example the image fluctuates in meaning (wife, mother-in-law). Other ambiguous figures fluctuate in space, as with the Necker Cube example below. There is nothing special about this image – you could sketch out a transparent cube on a scrap of paper at home and produce the same effect.

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