Virtual reality ensures that behavior and brain activations can be
assessed in a natural setting. Instead of presenting simple stimuli
on a computer screen, realistic 3D environments can be projected on
a large screen, using a dual projector system. One of the of the virtual
reality applications we use it in our lab is, for example, to study
performance and brain activations in navigation. Another application
of virtual reality is the real-time steering of a wheelchair using a
Brain-Computer Interface.
Our virtual reality lab is fitted with a large projection screen. 3D
Images are projected using a Cube 3D2 projection system. For realistic
3D vision, it is necessary to wear shutter glasses. The Cube 3D2 projection
system uses infrared sensors to detect the 'active' eye. Different in-door
and outdoor environments have been programmed and navigation is possible
with and without avatars. It is possible to touch and manipulate virtual
objects by means of a haptic device (PHANTOM Omni®).