4. The various contributions to value in virtual reality

4.1 Sensation and perception (not realism) are the basis of VR

At the intersection of computer science, cognitive science and the humanities, VR is fueled by two fundamental phenomena strongly characteristic of human and animal species:

• sensation is based on sensory signals;

• perception translates these signals into "sensory imagination".

For example, a neurologist might study sensation and a psychologist perception. VR is more about freeing the imagination. Even if realism is a default quest in many recent computer applications (games,...