Fear were, in order: terrorist attacks, spiders, death, failure, war, criminal or gang violence, being alone, the future, and nuclear war. In an estimate of what people fear the most, book author Bill Tancer analyzed the most frequent online queries that involved the phrase, "fear of..." following the assumption that people tend to seek information on the issues that concern them the most. His top ten list of fears published 2008 consisted of flying, heights, clowns, intimacy, death, rejection, people, snakes, failure, and driving. According to surveys, some of the most common fears are of demons and ghosts, the existence of
Fear processing in the brain look directly at the eye region of faces with expression, the subject could recognize fear expressions of faces. Although the amygdala does play an important part in the recognition of fear, further research shows that there are alternate pathways that are capable to support fear learning in the absence of a functional amygdala. A study by Kazama also shows that although the amygdala may be damaged, it is still possible for patients to distinguish the difference between safety cues and fear. There has been a substantial amount of research done on conditioned stimuli, where a neutral stimulus, such as a