Ben Underwood Clicks His Tongue To See

"To society he's blind," said Ben's mother, "but that doesn't make him handicapped. He just can't see."

She also said, "One thing that I truly get back from Ben being blind is that he truly sees people from within.

Blindsight: Graham Young Is Blind But Can See

What is consciousness? You may say that it is to be aware. But what does it mean to be consciously aware of something? I can type this paragraph while outside my window a bird chirps, shadows dapple the window ledge, and here, inside this room, my fingers move on the keyboard, music plays on the radio, and other events also happen as I focus only on these words. I stop for a moment, and there they are, all these other things. Then I return my attention to the computer screen. In a sense, I see but I don't see. I am aware but I am not aware. Things are part of consciousness and, so to speak, they are not.

Graham Young of Oxford, England is a case in point.

Blindsight: Graham Young Is Blind But Can See

What is consciousness? You may say that it is to be aware. But what does it mean to be consciously aware of something? I can type this paragraph while outside my window a bird chirps, shadows dapple the window ledge, and here, inside, my fingers move on the keyboard, music plays on the radio, and so many other events also happen as I focus only on these words. I stop for a moment, and there they are, all these other things. Then I return my attention to the computer screen. In a sense, I see but I don't see. I am aware but I am not aware. Things are part of consciousness and, so to speak, they are not.

Graham Young of Oxford, England is a case in point. When eight years old, he suffered a head injury that damaged the visual cortex of his hind brain, and this experience rendered him unable to see on his right hand side, while he can see on his left. This blindness affects both eyes.