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The invisible Glass experiment
Scientists once placed a transparent glass barrier inside an aquarium.
On one side was a fierce pike, and on the other side were several smaller fish swimming freely.
When the hungry pike saw the smaller fish, it immediately rushed forward to attack.
Bang. It slammed straight into the glass and bounced back.
Confused, the pike kept trying again and again, but every attempt ended the same way.
The repeated collisions injured its head and knocked off some of its scales. Eventually, the pike became frightened and retreated to a corner of the tank.
After some time, the scientists quietly removed the glass barrier. The smaller fish now swam freely throughout the aquarium, even brushing against the pike’s mouth.
But the pike never tried to eat them again.
Even though it was hungry, it refused to attack. In its mind, the invisible wall was still there.
A few days later, the pike reportedly died of starvation, surrounded by food. This phenomenon is often referred to as the Pike Effect or Pike Syndrome.
It’s often used as a metaphor for how repeated failure can create invisible limits in the mind.
English
