Originally posted by wolfgang59He may mean that the mind interprets the signals that the brain receives from the eyes in order to "see". Have you ever seen anything in your dreams and have your eyes closed?
Not a lot of sight occurs in the mind without eyes.
This has been proven by people born blind who in later life attain sight.
Originally posted by wolfgang59Although I did watch a fascinating documentary recently about a blind-since-birth guy who is able to ride around on a bicycle thanks to a kind of 'sonic radar', similar to bat clicks which he does. Scans show he uses the visual cortex extensively and effectively 'sees' his surroundings. He was even able to judge surface textures of objects such as trees. Remarkable.
Not a lot of sight occurs in the mind without eyes.
This has been proven by people born blind who in later life attain sight.
Originally posted by avalanchethecatThat is very impressive, you have a link?
Although I did watch a fascinating documentary recently about a blind-since-birth guy who is able to ride around on a bicycle thanks to a kind of 'sonic radar', similar to bat clicks which he does. Scans show he uses the visual cortex extensively and effectively 'sees' his surroundings. He was even able to judge surface textures of objects such as trees. Remarkable.