Austin Allen believes that knowing more about our brains won't interfere with great characters:
Explaining a subjective state isn’t the same thing as expressing it. A neurologist may be able to tell you exactly what’s happening in his brain when he stares at autumn leaves, but he’s unlikely to describe them as “yellow, and black, and pale, and hectic red,” as Percy Shelley did. … A glut of the literal only sharpens our appetite for the metaphorical: “human kind / Cannot bear very much reality,” as T. S. Eliot put it. The day the brain is fully mapped, writers will find a way to turn it into a foreign country.
The Dish 