<span>The human brain does not fully develop until age 25. A person's emotional maturity, self-image, and judgement are affected as these traits are linked to development of the prefrontal cortex. As a result, adolescents require guidance until reaching maturity.</span>
<span>When people make assumptions about other people, such as in the case of Gladys, this is known as implicit personality theory or automatic assumption. This is often what happens when one person forms certain opinions about another person when they actually have very little knowledge about that person. One theory is that we are often not even aware that these assumptions are taking place in our minds.</span>
