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Presence

76 bytes added, 08:08, 22 March 2015
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[[Immersion]] is different from Presence. The former means that you feel surrounded by the virtual world while the latter means that you feel you are within the virtual world. Presence is achieved when the involuntary aspects of our reptilian corners of our brains are activated. When the user reaches out to grab the virtual apple, becomes unwilling to step off a plank or feel nervous when walking on rooftops.
==Virtual Reality==
Presence is one of the most crucible aspects aspect to a true [[virtual reality]] experience. To have an effective VR, The user has to feel that he or she is within the artificially created world. This is the only way to elicit emotions and involuntary, reflex-like reactions from the user.
To create Presence, the [[VR Device]] has to fool the user's senses, sight, sound, touch and smell. To create the presence, VR Devices utilize head tracking. The movement of the user's head changes his or her viewpoint based on the movement. The goal of the device is maintain your sense of presence and avoid breaking it. The behavior of objects in the virtual environment has to meet the expectations of the user.
 
While VR relies on Presence, VR is also one of few media that can create Presence.
==Augmented Reality==

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