proprioceptors and mechanoreceptors

Movement and contact as a method of communication from computers to people is not well developed, but remains important. One's brain gets macro-scale information concerning the positions of parts of the body from proprioceptors that monitor muscle motions. The brain also gets small-scale information about touch and texture from mechanoreceptors in the skin. Combined information from proprioceptors and mechanoreceptors tells the human about tangible attributes of components in the environment. For more VR discussion, see Circular Solutions .

The quantity of sensory mechanisms that should be engaged and the range of believability that should be achieved so that a human to computer interaction to be labeled Virtual Reality morphs as technology improves. This might be compared to the escalating norm for "high-end audio" sound reproduction during the last century -- building on progress in analog and digital recording. Link to Virtual Tours Connecticut provides further useful information regarding VR.

See also: Virtual Dating goes into greater depth.