We go out in the world every day and make decisions about what is safe or not and what is appropriate or not. It is what psychologist Joseph LeDoux has suggested is an unconscious "danger detector" that determines whether or not something or someone is safe before we can even begin to consciously make a determination. When the object, animal, or person is assessed to be dangerous, a fear response, which has been called "fight or flight," occurs. On a conscious level we may correct a mistake in this "danger detector" when we notice it, but often, of course, we simply begin to generate reasons for why it was accurate in the first place. We are generally convinced that our decisions are "rational," but in reality, most human decisions are made emotionally, and then we collect or generate the facts to justify these decisions. When we see something or someone who "feels" dangerous, we have already launched into action internally before we have even started "thinking."