Transferring BCI models from calibration to control: Observing shifts in EEG features
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arXiv
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| Format: | Preprint |
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2024
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| author | de Jong, Ivo Pascal Wittenboer, Lüke Luna van den Valdenegro-Toro, Matias Sburlea, Andreea Ioana |
| author_facet | de Jong, Ivo Pascal Wittenboer, Lüke Luna van den Valdenegro-Toro, Matias Sburlea, Andreea Ioana |
| contents | Public Motor Imagery-based brain-computer interface (BCI) datasets are being used to develop increasingly good classifiers. However, they usually follow discrete paradigms where participants perform Motor Imagery at regularly timed intervals. It is often unclear what changes may happen in the EEG patterns when users attempt to perform a control task with such a BCI. This may lead to generalisation errors. We demonstrate a new paradigm containing a standard calibration session and a novel BCI control session based on EMG. This allows us to observe similarities in sensorimotor rhythms, and observe the additional preparation effects introduced by the control paradigm. In the Movement Related Cortical Potentials we found large differences between the calibration and control sessions. We demonstrate a CSP-based Machine Learning model trained on the calibration data that can make surprisingly good predictions on the BCI-controlled driving data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_15431 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Transferring BCI models from calibration to control: Observing shifts in EEG features de Jong, Ivo Pascal Wittenboer, Lüke Luna van den Valdenegro-Toro, Matias Sburlea, Andreea Ioana Signal Processing Human-Computer Interaction Machine Learning Public Motor Imagery-based brain-computer interface (BCI) datasets are being used to develop increasingly good classifiers. However, they usually follow discrete paradigms where participants perform Motor Imagery at regularly timed intervals. It is often unclear what changes may happen in the EEG patterns when users attempt to perform a control task with such a BCI. This may lead to generalisation errors. We demonstrate a new paradigm containing a standard calibration session and a novel BCI control session based on EMG. This allows us to observe similarities in sensorimotor rhythms, and observe the additional preparation effects introduced by the control paradigm. In the Movement Related Cortical Potentials we found large differences between the calibration and control sessions. We demonstrate a CSP-based Machine Learning model trained on the calibration data that can make surprisingly good predictions on the BCI-controlled driving data. |
| title | Transferring BCI models from calibration to control: Observing shifts in EEG features |
| topic | Signal Processing Human-Computer Interaction Machine Learning |
| url | https://arxiv.org/abs/2403.15431 |