Biofeedback controlled VR game in Unity and DayDream enviroments

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Dr. Forstner Bertalan
Department of Automation and Applied Informatics

Nowadays VR technologies are becoming more and more popular, partly because

we can experience the virtual reality without possessing expensive devices, for instance

we can enjoy VR on our smartphones with the help of the Google Daydream tool. Besides

the traditional VR control, there is a new approach, in which the game can change itself

depending on the user’s state of mind. This technology is called biofeedback control, and

it is able to process the brain signals, with head-fitted EEG sensors. Sensor

implementation has been solved with compact, non-expensive headsets, such as

NeuroSky MindWave tool, which can monitor the concentration and the relaxation level

of the user.

In my project I created a game, which uses the advantages of the biofeedback as

widely as possible. The main purpose of the game is to entertain, but it is also suitable for

special pedagogical researches with the help of the Frostig tests hidden in the game.

The game is a zombie survival game, in which the player must solve missions by

moving forward along a predetermined path. The game is able to process the user’s state

of mind in real time, and change its own state based on the information. With this

technique the user is less likely to get bored with the game too early, and we can also

keep the user relaxation value low. The data measured during the Frostig tests can be

used for any research purposes.


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