There is much going on around us all the time, phenomena that we perceive with our different senses, which send information to the brain. This complication is solved by an ancient part of the midbrain called the corpora quadrigemina, or tectum. This area contains a complex network of neurons that control the movements of the head and eyes. An ancient area of the midbrain of all vertebrates can independently contol and reorientate the eyes, researchers now report.