Processing without consciousness

The Brain Damage That Hides Half the World

When I was a graduate student 25 years ago, I met a man I’ll call Mr. X, who had recently recovered from a stroke to the right side of his cerebral cortex. Like many people with a neurological disability, he was intensely curious about his condition, and on his own initiative he visited the neuroscience lab where I worked. He was a friendly, engaged, intelligent man of about 60. He wasn’t allowed to drive, but he had no obvious trouble walking, speaking, or interacting with people. I couldn’t see any lingering symptoms in a casual conversation. ….[READ]