We have all encountered a person who seems to talk compulsively about his or her own achievements and interests Social media sites depend on this very behavior.But is bragging just a characteristic of particularly self-involved people, or is it something our subconscious minds actually encourage? A recent scientific study performed at Harvard University has concluded that this behavior, however annoying it may be,affects our nervous systems the same way money and food do. Using a brain -imaging scanner, scientists detected increased blood flow in the reward region of the brain when people talked about themselves. In other words, bragging actually makes people feel good. Self-promotion his square implications. commercial persistent biological tangible