

We see A and B as different - in reality they are the same
We shouldn't always believe our eyes - but we nearly always do!
How we see the image depends on what we focus on and what 'story' (assumptions) we have about the context. Hence why what we see changes when a different framing is added in to change our focus and change our assumptions.
All perception is equally unreliable.
If you want to watch some videos which also show how little you can trust your eyes (ie your perception), try these:
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Change blindness experiment (New version of famous experiment)
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Change awareness test (UK road safety advert)
The two key points to take away - and use to solve the toughest problems - are:
1. Our perception isn't OBJECTIVE reality - it's just OUR reality
2. We can change perception by changing the focus or the 'framing'
