Answer:
Prefrontal cortex
Explanation:the prefrontal cortex is the forward most part of the frontal lobe.it consists about 10% of the brain..it is associated with making decisions and evaluation of right and wrong.it could also influence the personality of a person.
A damage to the prefrontal cortex can cause change in Personality, rudeness and make the person incapable of making good judgement and social skills.