How did a surgery designed to treat epilepsy end up challenging the very idea of free will? This video explores the split-brain experiments, their astonishing results, and what they mean for our ...

In findings that raise a variety of questions about how our brains work, and even about the nature of consciousness, UC Santa Barbara researchers and collaborators report that only a small section of ...

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 ...