This is your brain on...you?

Could it be that the 19th century phrenologists, who purported to derive personality traits from the shape of the skull, were not wrong, just early? Scienceblog summarizes a study by Dr. Colin DeYoung published in Psychological Science: 

Personalities come in all kinds. Now psychological scientists have found that the size of different parts of people’s brains correspond to their personalities; for example, conscientious people tend to have a bigger lateral prefrontal cortex, a region of the brain involved in planning and controlling behavior.