Roller coaster phobia combine substantial heights with seemingly insignificant support, as well as free-falls and the illusion of uncontrolled drops. Because acrophobia involves an extreme fear of heights and falling, these conditions could cause someone who is an acrophobic to have an extremely negative reaction to riding roller coasters. Claustrophobia involves two parts, fear of physical restraint and fear of suffocation. The safety harnesses and enclosures on some rollercoaster and other rides are very restrictive, in order to protect the riders from harm. In addition, the speed of these rides can cause air displacement that makes it difficult for riders to catch their
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