The Concept of Presence in Virtual Reality

Teo Choong Ching
Aug 27, 2016 · 4 min read

The wonder of VR is really about teleporting a user to a different location at any given time. It could be some replica of famous landmarks or a totally imaginary place that does not exist or impossible to be found in real life (e.g. Stroll around a cancer cell). Such phenomenon that enable users to feel like they are ‘being there’ is what we known as presence.

Image for post
Image for post

Before you begin to design your next VR application, it is good to take a step back and understand the illusions of presence in order to achieve the intended (as close as possible) VR experiences for your users.

i. Presence

Image for post
Image for post

“Presence is a psychological state or subjective perception in which even though part of all of an individual’s current experience is generated by and or filtered through human-made technology , part of all of the individual’s perception fails to accurately acknowledge the role of the technology in the experience.” International Society for Presence Research, 2000

The Four Components of Presence

These are the four components that Jason Jerald mentioned in “The VR Book: Human-Centered Design for Virtual Reality”. I believe that these key components are closely related to the human factor designs because in VR environments, users need to perform certain tasks or goals and their performances (goals completion) will be greatly affected by presence. Hence, designing a well-thought presence for your application is vital from the beginning the process.

1. The Illusion of Being in a Stable Spatial Place

The illusion of physically being in an environment is the most important element of presence. It is achieved when users perceived the projected objects and location as if it is from the real world. This state of illusion can be achieved with low latency, high frame rate and good calibration of the device. Remember, a high latency makes a poor virtual reality experience, so far, I know HTC Vive’s performance did a good job in that department. The VR Research Team at Valve came up with a good list, read them more here.

Image for post
Image for post
One of the slides presented by Valve R&D Team. Picture credit to username DieH@rd from Neogaf forum. Of course, most of the items in the list are dated.

2. The Illusions of Self-embodiment

We are constantly aware of our body whenever we look down to our feet, or reaching to our pockets for the mobile phone. However, these experiences does not fully replicated in VR experiences. Most of the time, we do not see our virtual body when putting on the HMD.

Image for post
Image for post
Ikea VR app that allows you to experience their kitchen environment as a toddler and adult. However, the app did not display a full virtual body, only adjusted the height for the viewer. (Credit to Jia Hen for letting me to experience this application with his Vive)

Now, it does not necessarily mean that it must be the user’s own body. In fact, it can be a body of some fictional characters or even a person of a different race of gender. This is the advantage of VR, we can literally be in someone else’s shoes to feel and understand things closer.

Below are some interesting case studies done using VR as the medium to conduct experiments.

Image for post
Image for post
Girl Mirror Look. “How would you feel to swap your body with another?” Philipe Bertrand asked me. “Would you better understand the other if you see through their eyes?” Read the article here

3. The Illusion of Physical Interaction

Just titling your head around is not enough. The achieve the better presence for the users, we need to plant some interactions inside the VR environment. It does not have to be realistic as long as it gives the users some form of feedbacks (audio, visual highlight or haptic) that the users are interacting with the environment.

An example of a product that can replicate realism in the virtual is the Manus VR Glove, a startup dedicated to design an intuitive VR glove input device for the consumer market. Watch their teaser video below.

4. The Illusion of Social Communication

People are social creatures. We’re naturally drawn toward social interaction with others . In VR, social presence is about communicating (verbally and body language) with other virtual users (avatars). The other users can be computer generated or real users. This is very common in multiplayer games where users often have to interact with other human representation characters or rendered objects that can speak/response back.

Image for post
Image for post
Facebook VR Social demo is an example of focusing on the social interaction elements inside VR environment.

In summary, these are the main four components to look through in order to achieve the desired (optimum) state of presence in the VR.

The Illusion of Being in a Stable Spatial Place

The Illusions of Self-embodiment

The Illusion of Physical Interaction

The Illusion of Social Communication

Break-in Presence

A break-in presence can be described when the generated illusions in the VR breaks down or interrupted by real-world environment. It can be caused by various factors such as hitting the walls/ceiling, loss of tracking with the device, tripping on wire cords, or talking to another person from the real world.

Credit and texts: Jason Jerald’s The VR Book: Human-Centered Design for Virtual Reality

Thank you.

Teo Choong Ching

Image for post
Image for post
A scene from one of the AsiaVR’s meetups

Welcome to a place where words matter. On Medium, smart voices and original ideas take center stage - with no ads in sight. Watch
Follow all the topics you care about, and we’ll deliver the best stories for you to your homepage and inbox. Explore
Get unlimited access to the best stories on Medium — and support writers while you’re at it. Just $5/month. Upgrade

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store