Our brain is constantly making conclusions about our body to protect us. In this case, the brain concludes that the dents in the finger must actually be on the pencil.
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Our brain is constantly making conclusions about our body to protect us. In this case, the brain concludes that the dents in the finger must actually be on the pencil.
The brain puts information together to come to conclusions about the body. This illusion shows that the brain can easily come to the wrong conclusion about the body.
When the brain receives information that it is unclear, it has to work out what is going on. It uses previous experiences, context, and your beliefs to do this.
This demonstration shows how our awareness of something is based on our brain’s interpretation, instead of exactly what is going on in the world.
Without the goggles on, you naturally know quite well how to throw a beanbag and hit a target. However, when you put the prism goggles on, they shift what you can see to one side.