The main culprit of dizziness and physical nausea in audiences is motion sickness, which is a general term for diseases caused by vertigo or nausea due to various reasons. The human sense of balance is the result of the coordination and synergy of the three sensory systems of limbs, vestibule and vision. The vestibular system has the ability to process spatial positioning, the visual system collects environmental information, and the receptors of the limbs collect sensory information. These three kinds of information are combined to report the state of the body and the environment in which it is located to the brain. The environment of the first-person perspective breaks the balance between these three systems, and there is a difference between the information collected by the viewer's visual system and the feeling of the body. Taking "Hardcore Henry" as an example, when watching the parkour scene in the film, the audience's visual system believes that the body is in motion, but the vestibular system determines that the body is still. These two signals conflict, causing the brain to make an abnormal environment. , and thus activate the protective mechanism to warn the body to leave the current environment through a strong sense of dizziness. Like symptoms such as motion sickness and seasickness, motion sickness in movies does not disappear immediately after the movie ends, but lasts for a few minutes to several hours after the movie-watching activity stops.
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