Doctor’s incredible brain trick which makes you see colour in black & white pic05/24/2021
A psychologist has made people see colour in a black and white image, with viewers joking their brains are "broken".
Dr Julie Smith made a mind-boggling TikTok video that demonstrated perfectly how our brains can trick us into seeing things that are not there.
In the clip, which she uploaded on her @drjuliesmith account, the medic sits in a garden with a cross stuck on her head and indulges in an experiment that will "trick" people's brains.
She tells people: "Now this video is in black and white, but when you play it back it will be in full colour.
"All you have to do is keep focusing on the cross on my head and by focusing on the cross, your brain is going to do something incredible, overexposing certain receptors in your eyes to colours, causes the brain to see inverted colours when the black and white image appears.
"Even when it changes, keep focusing on the cross. Are you ready?"
How many triangles can you spot? Most people reckon there's only four
The colour then changes from pinks and blues to black and white – but people saw green on the shrubbery and other colours that weren't there.
One person wrote: "Uh oh. I think my brain is broken."
Another viewer said: "I did for a second but it was really dulled out."
"I see purple flowers, blue bench, green behind you, and your shirt looks green," commented someone else.
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A fourth viewer shared: "That freaked me out so bad! As long as I kept focusing on the x I saw colour for almost the entire black and white part."
In the caption, Dr Julie wrote: "Did you see colour? How long for & what stood out most?
"Try it with the brightness turned up for max effect!"
This comes after an optical illusion left Reddit users mind-boggled when it caused their brains to "shut down".
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