The fear is short-term and negative feeling. Everyone has their own set of fears. Some are afraid of dental pain, but totally comfortable with the risk of global catastrophe. Fear serves a protective function, protecting the person from the action that could lead to health problems or death. An extreme state of fear is horror and panic that can lead to a nervous breakdown. Nevertheless, many people experience pleasure, watching horror movies. We can assume that it is caused by activating certain processes in the body, in particular, the production of adrenaline.
In addition, the fear caused by the film usually ends after watching the film, causing relaxation. Certain sounds and music create a person fear. The fact is that 8.7 Hz infrasonic oscillations quite dangerous for human internal organs, so the home music systems have special filters. There are certain standards in the movie industry that has already developed for the use of horror background music to enhance a sense of fear. It’s usually low-frequency sounds, violins, wind instruments or synthesizers. These instruments are suitable for this purpose best. In addition, horror can be called up with changes of tempo or amplitude.