EEG- and EOG-Based Asynchronous Hybrid BCI: A System Integrating a Speller, a Web Browser, an E-Mail Client, and a File Explorer

This paper presents a new asynchronous hybrid brain-computer interface (BCI) system that integrates a speller, a web browser, an e-mail client, and a file explorer using electroencephalographic (EEG) and electrooculography (EOG) signals. More specifically, an EOG-based button selection method, which...

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Bibliographic Details
Published in:IEEE transactions on neural systems and rehabilitation engineering Vol. 28; no. 2; pp. 519 - 530
Main Authors: He, Shenghong, Zhou, Yajun, Yu, Tianyou, Zhang, Rui, Huang, Qiyun, Chuai, Lin, Mustafa, Madah-Ul, Gu, Zhenghui, Yu, Zhu Liang, Tan, Huiling, Li, Yuanqing
Format: Journal Article
Language:English
Published: United States IEEE 01.02.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Adult
Algorithms
Blinking
Brain
Brain-Computer Interfaces
Browsers
Communication Devices for People with Disabilities
Computer applications
e-mail client
EEG
Electrodes
Electroencephalography
Electroencephalography (EEG)
Electroencephalography - methods
Electronic Mail
Electrooculography
electrooculography (EOG)
Electrooculography - methods
Event-related potentials
file explorer
Graphical user interfaces
Healthy Volunteers
Human-computer interface
Humans
Hybrid systems
Imagery
Imagination
Implants
Mail
Male
Mental task performance
Mice
Rodent control
speller
Vertical motion
Web Browser
Web browsers
Young Adult
ISSN:1534-4320, 1558-0210, 1558-0210
Online Access:Get full text
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Summary:This paper presents a new asynchronous hybrid brain-computer interface (BCI) system that integrates a speller, a web browser, an e-mail client, and a file explorer using electroencephalographic (EEG) and electrooculography (EOG) signals. More specifically, an EOG-based button selection method, which requires the user to blink his/her eyes synchronously with the target button's flashes during button selection, is first presented. Next, we propose a mouse control method by combining EEG and EOG signals, in which the left-/right-hand motor imagery (MI)-related EEG is used to control the horizontal movement of the mouse and the blink-related EOG is used to control the vertical movement of the mouse and to select/reject a target. These two methods are further combined to develop the integrated hybrid BCI system. With the hybrid BCI, users can input text, access the internet, communicate with others via e-mail, and manage files in their computer using only EEG and EOG without any body movements. Ten healthy subjects participated in a comprehensive online experiment, and superior performance was achieved compared with our previously developed P300- and MI-based BCI and some other asynchronous BCIs, therefore demonstrating the system's effectiveness.
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ISSN:1534-4320
1558-0210
1558-0210
DOI:10.1109/TNSRE.2019.2961309