Some notes on transportation and immersion.Transportation is about "going there" or "coming here." It defines the illusion of being transported somewhere else or staying local and somewhere else coming here to our local space.
A Head-Mounted Display "takes us" somewhere else, either into a Virtual Reality or a remote location. A CAVE or a CUBE do the same. The immediate, physical space "stays behind" and one literally enter into the CAVE world.
A telephone call also takes us somewhere else. Or is it a matter of focus? Can we just focus on one thing at a time? Does it really take us somewhere else, or does it just occupy our attention? We loose focus of the activity we are otherwise involved in (like driving). But this would be an example of Psychological Immersion.
Is transportation the same as immersion?
The project Remotehome is also all around the user, but there is NO transportation taking place! The individual stays in her local space; also she is technically immersed. The enlivened apartment with its ghostly activities, is all around her, but is she immersed? Rather not. But why not?
The same goes for video-chat on a computer screen. It grabs our attention, yet we remain local. Hearing alone is more immersive than the combination of vision and hearing!
So what is immersion?
Either being physically and sensorially surrounded by something, but also to focus on something so that the attention and awareness of the immediate physical surrounding stays behind / fades away.
I am immersed in the world right now, in this very room. Why is it so "real"?
Transportation is the experience of being somewhere else then we actually are. Either there has come here, to our local space or we have gone there. (Language: It needs an observer! The sentence only appears to be right. "There has come here - or we have gone there. Correct it would be:
There has come here - or here has gone there. Describing a connection between two remote places;
And "They have come here - or we have gone there." When connecting remote people.)
We would never speak of transportation in association with a book. We would never say that we went there, even if it is a semi-recursive narrative like "The neverending story."
Does this have to do with a hierarchy of the senses it covers? Reading is a cognitive experience only, no senses are involved. (But the eyes and the mind. We don't even move. A reader that is being moved may become motion sick.) Everything is happening in the imagination. (Jean Genet, it is said, could lie on the floor naked and have an orgasm without touching himself, triggered by his vivid imagination only. Immanuel Kant could describe to visitors what the detailed views from under a newly built bridge in another town looked like after having studied plans only.)
But there is one difference: Playing a text adventure game, or entering a text based multi-user dungeon we would speak of going there! It is text-based and cognitive as well - but the essential difference is, it is interactive - just like reality! We get a sense of geography, of spatiality. Our actions have effects, they are not merely cognitive. We mirror ourselves in this other world by our actions, and even more so in the other people we meet there, and which mirror us in unexpected, autonomous ways. It is synchronous, unpredicable and immediate. It is not linear as a book, but dynamic and live (also mostly discreet. Usually we have to do something to get any feedback).
Some degrees of complexity up, playing a 3D adventure game on a computer screen, we get an even stronger sense of locality, geography presence and continuity, and may even become motion sick.
It seems that the more senses a technology covers and the degree of believability it creates of touch, hearing, vision - the more likely we are able (and willing (suspension of disbelief)) to trust this creation.
So, firstly transportation is easiest achieved via the visual sense. The bigger and better display technologies are the more immersion they achieve. Add the auditive and it becomes more convincing. Christin Lahr once created an auditive moo installation that was semi-interactive. Visitors entered a dark space hearing voices whisper. These voices were chat transcripts. As vistors moved the voices became quiet. Only when the vistor stood completely still the shy voices continued their conversation. Though not visual and only auditive this piece was very immersive. As long as touch wont be around immersion will rely either on captivating interactivity and content or on the visual and auditive sense.
So what about the difference between transportation and immersion?
Transportation is a property of immersion. Only when we are immersed we can be convinced of being somewhere else. Interactivity and multiple degrees of freedom add to that. The more immersed we are, for whatever reasons either psychological or perceptual, the more likely a concept that involves transportation is to succeed. This depends on the size, resolution and quality of the display technologies which immerse us and their realism.
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