VR Cave with Brainwaves

IMG_2124

This project was developed in Unity3D, with the use of the Middle VR Unity to CAVE middleware, as well as the Neurosky Mindwave brainwave device.

Acrophobia (fear of heights) is a phobia that has been commonly targeted by Virtual Reality (VR) phobia treatment. Patients with this clinical condition can experience extreme levels of anxiety, stress, and discomfort even at relatively low heights. VR CAVEs have been found to be very immersive and successful in the treatment of this condition. However, psychophysiological measures are not commonly used in the evaluation of acrophobes and their therapy progress within CAVEs. The general method of evaluating progress is through self-reported questionnaire measures, subject to participant bias. Together with a colleague, I created a CAVE application for acrophobia treatment, where patient movement is possible to increase presence and immersion, where various heights are available to the user, but only through progress that is assessed through the evaluation of their psychophysiological responses to stimuli (brainwaves) are they unlocked, not just through qualitative evaluation of questionnaires reported to the therapist.
IMG_2129In this application, we used a NeuroSky Mindwave Mobile device capable of detecting specific brainwaves for attention and relaxation, NVidia Active Shutter 3D Pro glasses that enable the user to experience the simulation in stereoscopic 3D, and an IR trackable cap to allow the user to move inside the CAVE and tilt his head to change perspectives. Unity 3D was used to create the application, while MiddleVR middleware allows for the Unity 3D build to be executed in a VR CAVE environment.

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