The first time I read through this article it threw me for a loop: a patient at a hospital in Geneva, Switzerland referred to by the initials 'TN' suffered two strokes a couple of weeks apart. Each CVA damaged one half of his visual cortex, thus rendering him completely blind for all intents and purposes. While he was recovering, physicians discovered that TN still had the ability to read the facial expressions of people around him and correctly interpret their emotional states. Some tests showed that his amygdala was still operational, which lead neurologists to wonder what else he was …