Pediophobia, also known as the fear of dolls, is a relatively common kind of phobia. It is an anxiety disorder that can be associated with a range of dolls from old-fashioned china dolls and porcelain dolls to dolls that talk and move. Pediophobia, is considered a branch of automatonophobia, or a fear of humanoid figures. There are many theories connected to the possibility of how pediophobia is caused. Some of these reasons include external events, heredity, as well as psychological tendencies and brain chemistry. The most common reason given however would be that a traumatic experience in the past that associates dolls to fear and anxiety in a person.