The dreams about brains indicate the intelligence of the dreamer. If you saw your own brain in a dream, then it could show the unfaithful friend in your waking life. The transplant of the brain foretells about the new ideas or completely fresh start in your life. When you see the brains that are placed in the jar, then it shows the barriers and limitations you are facing in your waking life. To see the brain of the animal, represents the wariness of those you are surrounded by. The exploded brains indicate the problem that is worrying you a lot in your waking life. Make sure you figure out how to solve these misunderstandings, otherwise you will not have piece of the mind.