Journal
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING
Volume 31, Issue -, Pages 4413-4427Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNSRE.2023.3330500
Keywords
BCI; EEG; motor BCI; upper limb movement; movement decoding; neural activity; application systems
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Motor brain-computer interface (BCI) decodes voluntary motion intentions from brain signals and produces control commands without activating peripheral nerves and muscles. It has important applications in neurorehabilitation and daily-life assistance for motor-impaired patients. Recent studies have focused on neural signatures, movement decoding, and applications of motor BCIs. This review provides a comprehensive overview of EEG signals-based motor BCIs, particularly for upper limb movements, discussing experimental paradigms, techniques, and application systems. It also highlights the development of more natural and practical upper-limb motor BCIs by addressing key issues such as target-users orientation, distraction robustness, and multi-limbs motor BCIs.
Motor brain-computer interface (BCI) refers to the BCI that decodes voluntary motion intentions from brain signals directly and outputs corresponding control commands without activating peripheral nerves and muscles. Motor BCIs can be used for the restoration, compensation, and augmentation of motor function by activating the neuromuscular circuit and facilitating neural plasticity. The essential applications of motor BCIs include neurorehabilitation and daily-life assistance for motor-impaired patients. In recent years, studies on motor BCIs mainly concentrate on neural signatures, movement decoding, and its applications. In this review, we aim to provide a comprehensive review of the state-of-the-art research of electroencephalography (EEG) signals-based motor BCIs for the first time. We also aim to give some insights into advancing motor BCIs to a more natural and practical application scenario. In particular, we focus on the motor BCIs for the movements of the upper limbs. Specifically, the experimental paradigms, techniques, and application systems of upper-limb BCIs are reviewed. Several vital issues in developing more natural and practical upper-limb motor BCIs, including developing target-users-oriented, distraction-robust, and multi-limbs motor BCIs, and applying fusion techniques to promote the natural and practical motor BCIs, are discussed.
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