But researchers were concerned about whether this procedure might have other, less desirable effects. What happens when the right and left sides of the cerebral cortex—responsible for an enormous ...

In 1882, Mr. L, a teacher and journalist, suffered a stroke, his second. His first attack, five years earlier, had been mild, causing some language problems involving paraphasias, difficulty selecting ...

Consciousness has long resisted neat explanations, but a growing body of research suggests the problem may lie in how we picture the brain’s information processing. Instead of behaving like a tidy ...