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Developing virtual vending and automatic service machines for brain injury rehabilitation

Two different approaches for developing virtual environments (VE) for brain injury rehabilitation are described and discussed. The two VEs are built with the VR software World Up in the form of virtual vending and automatic service machines. The result from the first approach is a virtual cash dispenser that has been tested on five patients with brain injury. Improving the VE according to the test results was found to be quite hard, since it is implemented in a way that makes it difficult to update the code. In the second approach independent programming modules were identified and isolated. The modules were used to build a VE in the form of a train ticket machine. The second approach seems to provide a fast and understandable way of building virtual vending and automatic service machines for brain injury rehabilitation. There might also be the possibility to add a graphical user interface on top of the modules so that, for example, an occupational therapist with no programming experience could build an arbitrary virtual vending machine.