Presence Questionnaires: DESIGN OF A HYBRID BCI-VR SYSTEM FOR POST-STROKE REHABILITATION

As one of common diseases among elderly, stroke often leads to motor dysfunction and even permanent disability. In order to improve the motor function of paralyzed extremity, patients can perform effective exercise for rehabilitation. This project aims to design a hybrid BCI (Brain-Computer Interface)–VR (Virtual Reality) system, including the motor imagery training program and the physical training program, to improve the effectiveness of post-stroke rehabilitation. The established system has been tested with high classification accuracy of motor imagery based on neural network, and high level of presence in user experience using questionnaires.
*1.
How much were you able to control events?
  • Not
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  • Very
*2.
How responsive was the environment to actions that you initiated (or performed)?
  • Not
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  • Very
*3.
How well could you move or manipulate objects in the virtual environment?
  • Not
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  • Very
*4.
How much did the visual aspects of the environment involve you?
  • Not
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  • Very
*5.
How compelling was your sense of moving around the virtual environment?
  • Not
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  • Very
*6.
How well could you examine objects from multiple viewpoints?
  • Not
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  • Very
*7.
How aware were you of events occurring in the real world around you?
  • Not
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  • Very
*8.
How aware were you of your display and control devices?
  • Not
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  • Very
*9.
How distracting was the control mechanism?
  • Not
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  • Very
*10.
How inconsistent or disconnected was the information coming from your various senses?
  • Not
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  • Very
*11.
To what degree did you feel confused or disoriented at the beginning of breaks or at the end of the experimental session?
  • Not
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  • Very
*12.
How much did your experiences in the virtual environment seem consistent with your real-world experiences?
  • Not
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  • Very
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