The amygdala relates back to human emotions, and new research shows that motivation is a factor in what makes that part of the brain active. The purpose of the research was to figure out how much of an impact motivation makes instead of emotion in the amygdala. In the experiment, fifty-four women were given testerone and shown pictures of happy and angry faces. They would either reject or approach the faces while in a brain scan. It was also a double blind, placebo controlled study which adds to the credibility of the experiment. The women that had the real testosterone administered had higher activity in their amygdala when they saw an angry face compared to the others who had the placebo. When in a social situation, testosterone seems to