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Development of a neurofeedback-based virtual reality environment
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Recent technology has continuously expanded the reaching spectre of psychotherapy.
In the latest years, the development of digital environments, coupled with the evolution
of sensorial hardware, has demonstrated usefulness and effectiveness in some areas of
psychotherapy such as phobia treatment and attention deficit hyperactivity disorder management
through neurofeedback training. However, the generality of these equipments
is very expensive.
In this project, an audiovisual stimuli virtual reality environment was developed, capable
of displaying signals provided by an electroencephalography-based brain-computer
interface. This environment has the objective of providing its user with neurofeedback
training and being suited for affordable hardware equipments.
Development of the aforementioned environment took place in the Unity3D ® game
engine version 5.3.0f4, using C# scripting developed in Microsoft ® Visual Studio 2015 TM.
As for the virtual reality display, an Oculus Rift ® development kit 1 was used for
testing, together with the Oculus runtime for Windows ®, version 0.8.0.0. The used
brain-computer interface was Neurosky’s Mindband TM, a research tool with a single
electroencephalography channel, mediated through the ThinkGear Connector, version
3.1.8.0.
The creation of this environment as an application directed towards neurofeedback
training and compatible with affordable equipments is a contribution towards a reality
where virtual reality is more synchronized with our society.
Descrição
Palavras-chave
Virtual Reality Brain-Computer Interface Neurofeedback Electroencephalography Psychotherapy VR