This benchmark gives a simple description of a healthy and non healthy brain with Dissociative Identity disorder or D.I.D. From this project alone I learned a lo about how our brain functions. Depending on the size of the parts in your brain. In this case if it's too small you won't be able to use it to it's full ability. Although people can survive and properly function without certain parts of their brain. With that being said only certain parts of the brain will be affected.