This applies just as much to people without blindsight as people with it. Akemaster/Shutterstockīlindsight serves as a particularly striking example of a general phenomenon, which is just how much goes on in the brain below the surface of consciousness. Some blind people appear to be able to ‘see’. Rick insisted that he didn’t know what was there and that he was just guessing, yet he was guessing with over 90% accuracy. In another case, a man with blindsight (let’s call him Rick) was put in front of a screen and told to guess (from several options) what object was on the screen. People with blindsight consistently deny awareness of items in front of them, but they are capable of amazing feats, which demonstrate that, in some sense, they must be able to see them. Barry was able to navigate around the obstacles without tripping over a single one.īarry has blindsight, an extremely rare condition that is as paradoxical as it sounds. The result of this simple experiment would prove dramatic for our understanding of consciousness. They took away his walking stick and told him to walk down the corridor.
One day, some psychologists placed Barry in a corridor full of obstacles like boxes and chairs. As a result, Barry was completely blind, and he walked with a stick. A few years ago, a man (let’s call him Barry) suffered two strokes in quick succession. Does that sound impossible? Well, it happens. Imagine being completely blind but still being able to see.
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