Article (Scientific journals)
Enhancing clinical communication assessments using an audiovisual BCI for patients with disorders of consciousness
Wang, Fei; He, Yanbin; Qu, Jun et al.
2017In Journal of Neural Engineering, 14 (4)
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Keywords :
Communication; Diagnosis; Electroencephalography; Electrophysiology; Interfaces (computer); Patient rehabilitation; Behavioral observation; Behavioral response; Clinical communications; Clinical diagnosis; Minimally conscious state; Brain computer interface; Article; JFK coma recovery scale revised
Abstract :
[en] Objective. The JFK coma recovery scale-revised (JFK CRS-R), a behavioral observation scale, is widely used in the clinical diagnosis/assessment of patients with disorders of consciousness (DOC). However, the JFK CRS-R is associated with a high rate of misdiagnosis (approximately 40%) because DOC patients cannot provide sufficient behavioral responses. A brain-computer interface (BCI) that detects command/intention-specific changes in electroencephalography (EEG) signals without the need for behavioral expression may provide an alternative method. Approach. In this paper, we proposed an audiovisual BCI communication system based on audiovisual 'yes' and 'no' stimuli to supplement the JFK CRS-R for assessing the communication ability of DOC patients. Specifically, patients were given situation-orientation questions as in the JFK CRS-R and instructed to select the answers using the BCI. Main results. Thirteen patients (eight vegetative state (VS) and five minimally conscious state (MCS)) participated in our experiments involving both the BCI- and JFK CRS-R-based assessments. One MCS patient who received a score of 1 in the JFK CRS-R achieved an accuracy of 86.5% in the BCI-based assessment. Seven patients (four VS and three MCS) obtained unresponsive results in the JFK CRS-R-based assessment but responsive results in the BCI-based assessment, and 4 of those later improved scores in the JFK CRS-R-based assessment. Five patients (four VS and one MCS) obtained usresponsive results in both assessments. Significance. The experimental results indicated that the audiovisual BCI could provide more sensitive results than the JFK CRS-R and therefore supplement the JFK CRS-R. © 2017 IOP Publishing Ltd.
Disciplines :
Neurosciences & behavior
Author, co-author :
Wang, Fei;  School of Automation Science and Engineering, South China University of Technology, Guangzhou, China, Guangzhou Key Laboratory of Brain Computer Interface and Applications, Guangzhou, China
He, Yanbin;  Coma Research Group, Centre for Hyperbaric Oxygen and Neurorehabilitation, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, China, Southern Medical University, Guangzhou, China
Qu, Jun;  School of Automation Science and Engineering, South China University of Technology, Guangzhou, China, Guangzhou Key Laboratory of Brain Computer Interface and Applications, Guangzhou, China
Xie, Qiuyou;  Coma Research Group, Centre for Hyperbaric Oxygen and Neurorehabilitation, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, China
Lin, Qing;  Coma Research Group, Centre for Hyperbaric Oxygen and Neurorehabilitation, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, China
Ni, Xiaoxiao;  Coma Research Group, Centre for Hyperbaric Oxygen and Neurorehabilitation, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, China
Chen, Yan
Pan, Jiahui;  School of Automation Science and Engineering, South China University of Technology, Guangzhou, China, Guangzhou Key Laboratory of Brain Computer Interface and Applications, Guangzhou, China
Laureys, Steven  ;  Université de Liège - ULiège > GIGA : Coma Group
Yu, Ronghao;  Coma Research Group, Centre for Hyperbaric Oxygen and Neurorehabilitation, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, China
Li, Yuanqing;  School of Automation Science and Engineering, South China University of Technology, Guangzhou, China, Guangzhou Key Laboratory of Brain Computer Interface and Applications, Guangzhou, China
Language :
English
Title :
Enhancing clinical communication assessments using an audiovisual BCI for patients with disorders of consciousness
Publication date :
2017
Journal title :
Journal of Neural Engineering
ISSN :
1741-2560
eISSN :
1741-2552
Publisher :
Institute of Physics Publishing
Volume :
14
Issue :
4
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Natural Science Foundation of Guangdong Province
NSCF - National Natural Science Foundation of China
Available on ORBi :
since 29 April 2020

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