Movement state classification for bimanual BCI from non-human primate's epidural ECoG using three-dimensional convolutional neural network
- Authors
- Choi, Hoseok; Lee,Jeyeon; Park, Jinsick; Cho, Baek Hwan; Lee,Kyoung-Min; Jang, Dong Pyo
- Issue Date
- Mar-2018
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- bimanual movement; movement state classification
- Citation
- 2018 6th International Conference on Brain-Computer Interface, BCI 2018, v.2018-January, pp.1 - 3
- Indexed
- SCOPUS
- Journal Title
- 2018 6th International Conference on Brain-Computer Interface, BCI 2018
- Volume
- 2018-January
- Start Page
- 1
- End Page
- 3
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/150501
- DOI
- 10.1109/IWW-BCI.2018.8311534
- Abstract
- During bimanual movement, brain state is known to be different from the unimanual movement. Thus the conventional arm movement classifier for unimanual arm movement decoding method seems to be insufficient to decode bimanual movement. In this research, we suggested the convolutional neural network (CNN) for movement state classification to improve the decoding accuracy for bimanual movement estimation. We recorded the monkey's cortical signal while the bimanual task, and convert to spectrogram dataset for decoding. To evaluate the CNN, we stacked several layers for deep structure and figured out the best configuration. As a result, this method showed improved the arm movement state classification performance for bimanual tasks. This technique could be applied to arm movement brain computer interfaces (BCIs) in real world and the various neuro-prosthetics fields.
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