Remember that popular line from the movie The Wizard of Oz (1939), in which the scarecrow danced around chanting, “If I only had a brain.” Well chances are quite high that if you are reading this you do have a brain and according to the three-brain theory, you have three brains, the cortex, the limbic brain, and the reptilian brain. The three-brain theory states that by studying the three brains (cortex, limbic, and reptilian brain) scientists are able to decipher why people do what they do, how they do it, and interpret the behaviors leading up to and following their actions. Continue reading »