Optical Illusion: Spot The Koala Hidden Among The Bears
Optical illusions are created when our brains deceive us into perceiving non-existent objects. And evolution has everything to do with this phenomenon. But why does this deception occur? Rapid responses are essential for survival, urging the brain to swiftly analyze incoming data and assemble fragmented information. Remarkably, the brain employs colour, patterns, and the interplay of light and shadow to pull this off.
Optical illusions: a brief, brief history...
What are optical illusions?| Image: Unsplash
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Optical illusions go as far as ancient Greece, and they played an important role in shaping history, quite literally. The ancient Greeks, obsessed with symmetry and straight lines, used this technique on temple rooftops. They made use of slanted angles to create the illusion of curved surfaces. But this visual trickery goes further back.
In 5 B.C., Greek philosopher Epicharmus proposed that our senses, not our minds, are responsible for misinterpreting optical illusions. Meanwhile, Protagoras argued that the environment plays a significant role in how our physical senses interpret information. Plato had a different take. He believed that our minds and our eyes work together to perceive the world. This theory is widely accepted even today, suggesting that optical illusions occur when our brains trick us into seeing things that aren't really there.
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Spot the koala hidden among the bears in nine seconds | Image: Brightside
Today's optical illusion is another exercise in the unmatchable coordination between the brain and the eyes. There's an ingeniously hidden koala among the group of cute, cuddly bears. Your challenge is to pick it out within the given time limit. Be patient, pace yourself and set the time to nine seconds. All the best!
Did you spot the koala? | Image: Brightside
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