The human brain is divided into two halves and both sides are used to perform different tasks. The left brain/right brain theory states that while both sides of the brain are in constant use, one is usually more or less dominant than the other. Since both the left and right sides of the brain have unique functions and purposes, it's said that you can get an idea whether you have a left-brained or right-brained personality by how you perceive certain things. Which one are you? Let's find out!