Article ; Online: Visual tracking brain-computer interface.
iScience
2024 Volume 27, Issue 4, Page(s) 109376
Abstract: Brain-computer interfaces (BCIs) offer a way to interact with computers without relying on physical movements. Non-invasive electroencephalography-based visual BCIs, known for efficient speed and calibration ease, face limitations in continuous tasks due ...
Abstract | Brain-computer interfaces (BCIs) offer a way to interact with computers without relying on physical movements. Non-invasive electroencephalography-based visual BCIs, known for efficient speed and calibration ease, face limitations in continuous tasks due to discrete stimulus design and decoding methods. To achieve continuous control, we implemented a novel spatial encoding stimulus paradigm and devised a corresponding projection method to enable continuous modulation of decoded velocity. Subsequently, we conducted experiments involving 17 participants and achieved Fitt's information transfer rate (ITR) of 0.55 bps for the fixed tracking task and 0.37 bps for the random tracking task. The proposed BCI with a high Fitt's ITR was then integrated into two applications, including painting and gaming. In conclusion, this study proposed a visual BCI based-control method to go beyond discrete commands, allowing natural continuous control based on neural activity. |
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Language | English |
Publishing date | 2024-03-02 |
Publishing country | United States |
Document type | Journal Article |
ISSN | 2589-0042 |
ISSN (online) | 2589-0042 |
DOI | 10.1016/j.isci.2024.109376 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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