How It Works
In order to create a lifelike environment, actors are filmed on a green screen doing many various activities such as smoking cigarettes, dancing, drinking alcohol, doing drugs, and other provocative actions. The actors are then integrated into a three-dimensional background, giving the impression that they are in a real environment. Virtual reality (VR) technology allows a user to be immersed in a computer-simulated environment by engaging the senses of a human body. As of now, visual and auditory are the two most common senses appealed to when creating a VR environment—mainly because they use simpler technologies that are much cheaper to develop. However, advances in technology are allowing for a much more efficient way to appeal to the olfactory senses as well.
Read more about this topic: Virtual Reality Cue Reactivity
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—bell hooks (b. c. 1955)