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Motor imagery-based brain-computer interfaces (BCIs) use an individuals ability to volitionally modulate localized brain activity as a therapy for motor dysfunction or to probe causal relations between brain activity and behavior. However,…

Motor imagery (MI) based brain-computer interfaces (BCIs) hold significant potential for assistive technologies and neurorehabilitation. However, the precise and efficient decoding of MI remains challenging due to their non-stationary…

Human-Computer Interaction · Computer Science 2025-09-09 Yi Wang , Haodong Zhang , Hongqi Li

Motor imagery electroencephalogram (EEG)-based brain-computer interfaces (BCIs) offer significant advantages for individuals with restricted limb mobility. However, challenges such as low signal-to-noise ratio and limited spatial resolution…

Human-Computer Interaction · Computer Science 2024-06-21 Xicheng Lou , Xinwei Li , Hongying Meng , Jun Hu , Meili Xu , Yue Zhao , Jiazhang Yang , Zhangyong Li

Brain-computer interface (BCI) technology enables direct interaction between humans and computers by analyzing brain signals. Electroencephalogram (EEG) is one of the non-invasive tools used in BCI systems, providing high temporal…

Signal Processing · Electrical Eng. & Systems 2024-11-18 Hyeon-Taek Han , Dae-Hyeok Lee , Heon-Gyu Kwak

Motor imagery (MI) based EEG represents a frontier in enabling direct neural control of external devices and advancing neural rehabilitation. This study introduces a novel time embedding technique, termed traveling-wave based time…

Neurons and Cognition · Quantitative Biology 2024-08-26 Zhengqing Miao , Meirong Zhao

A brain--machine interface (BMI) based on motor imagery (MI) enables the control of devices using brain signals while the subject imagines performing a movement. It plays a vital role in prosthesis control and motor rehabilitation. To…

Signal Processing · Electrical Eng. & Systems 2024-09-20 Xiaying Wang , Michael Hersche , Michele Magno , Luca Benini

In the context of Brain-Computer Interfaces, we propose an adaptive method that reaches offline performance level while being usable online without requiring supervision. Interestingly, our method does not require retraining the model, as…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Yassine El Ouahidi , Giulia Lioi , Nicolas Farrugia , Bastien Pasdeloup , Vincent Gripon

A brain-computer interface (BCI) is used not only to control external devices for healthy people but also to rehabilitate motor functions for motor-disabled patients. Decoding movement intention is one of the most significant aspects for…

Signal Processing · Electrical Eng. & Systems 2020-02-04 D. -Y. Lee , J. -H. Jeong , K. -H. Shim , S. -W. Lee

Brain computer interface (BCI) has been popular as a key approach to monitor our brains recent year. Mental states monitoring is one of the most important BCI applications and becomes increasingly accessible. However, the mental state…

Signal Processing · Electrical Eng. & Systems 2019-11-14 Dongdong Zhang , Dong Cao , Haibo Chen

A conventional brain-computer interface (BCI) requires a complete data gathering, training, and calibration phase for each user before it can be used. In recent years, a number of subject-independent (SI) BCIs have been developed. Many of…

Machine Learning · Computer Science 2022-10-11 Mahbod Nouri , Faraz Moradi , Hafez Ghaemi , Ali Motie Nasrabadi

Brain-computer interfaces (BCIs) enable direct communication between the brain and external devices. This review highlights the core decoding algorithms that enable multimodal BCIs, including a dissection of the elements, a unified view of…

Human-Computer Interaction · Computer Science 2025-02-06 Siyang Li , Hongbin Wang , Xiaoqing Chen , Dongrui Wu

Deep learning is leading to major advances in the realm of brain decoding from functional Magnetic Resonance Imaging (fMRI). However, the large inter-subject variability in brain characteristics has limited most studies to train models on…

Machine Learning · Computer Science 2023-12-12 Alexis Thual , Yohann Benchetrit , Felix Geilert , Jérémy Rapin , Iurii Makarov , Hubert Banville , Jean-Rémi King

Cross-subject motor imagery (CS-MI) classification in brain-computer interfaces (BCIs) is a challenging task due to the significant variability in Electroencephalography (EEG) patterns across different individuals. This variability often…

Machine Learning · Computer Science 2025-07-04 Ahmed G. Habashi , Ahmed M. Azab , Seif Eldawlatly , Gamal M. Aly

Brain-computer interfaces (BCIs) enable direct communication between the brain and external devices. Recent EEG foundation models aim to learn generalized representations across diverse BCI paradigms. However, these approaches overlook…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Dingkun Liu , Zhu Chen , Jingwei Luo , Shijie Lian , Dongrui Wu

Myoelectric interfaces enable intuitive and natural control by decoding residual muscle activity, providing an effective pathway for motor restoration in individuals with preserved musculature. However, in patients with severe muscular…

Neurons and Cognition · Quantitative Biology 2025-11-26 Sun Ye , Zuo Cuiming , Zhang Rui , Shi Bin , Pang Yajing , Gao Lingyun , Zhao Bowei , Wang Jing , Yao Dezhong , Liu Gang

A calibration procedure is required in motor imagery-based brain-computer interface (MI-BCI) to tune the system for new users. This procedure is time-consuming and prevents na\"ive users from using the system immediately. Developing a…

Signal Processing · Electrical Eng. & Systems 2022-04-20 Navid Ayoobi , Elnaz Banan Sadeghian

Currently, strokes are the leading cause of adult disability in the United States. Traditional treatment and rehabilitation options such as physical therapy and tissue plasminogen activator are limited in their effectiveness and ability to…

Signal Processing · Electrical Eng. & Systems 2020-08-20 Mohammad-Parsa Hosseini , Cecilia Hemingway , Jerard Madamba , Alexander McKee , Natalie Ploof , Jennifer Schuman , Elliot Voss

Motor imagery (MI) classification using electroencephalography (EEG) signals is essential for advancing brain-computer interfaces (BCIs). Traditional EEG channel selection methods often face limitations, such as dependency on…

Human-Computer Interaction · Computer Science 2026-05-29 Dekka Muni Kumar , Dhruba Jyoti Kalita , Yogesh Kumar Meena

Developments in Brain Computer Interfaces (BCIs) are empowering those with severe physical afflictions through their use in assistive systems. Common methods of achieving this is via Motor Imagery (MI), which maps brain signals to code for…

Signal Processing · Electrical Eng. & Systems 2020-05-28 Abdul Moeed

Motor imagery electroencephalogram (MI-EEG) decoding plays a crucial role in developing motor imagery brain-computer interfaces (MI-BCIs). However, decoding intentions from MI remains challenging due to the inherent complexity of EEG…

Human-Computer Interaction · Computer Science 2024-10-30 Can Han , Chen Liu , Yaqi Wang , Crystal Cai , Jun Wang , Dahong Qian