An optical illusion is a visually perceived image that does not correspond to physical reality. After an image hit the retina, the brain will have to work hard to process the stimulus source, so as to make sense of the world. It is proven that left-brain vs right-brain and children vs adult, see optical illusion differently. Which means, what I see or could see might not be what Rynae could. Mummy has never shown any optical illusion images to Rynae so to kick-start the programme, as well as to test water, I DIY-ed a handy booklet with 18 optical illusions. These illusions can be used as stimuli for her to create her own illusions! Definitely a good brain exercise. To testify what she actually saw, I had to continuously query, challenge and prompt her like a broken-record. Some curvy lines I perceived were reported to appear straight for her. I have completely no idea how to certify if she was speaking the truth though. However, I was sure she could see different dimensions of cubes as I made her count them - sometimes it was 6, sometimes it was 7 cubes. Rynae said the picture has magic!
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