NDLI: Optimal set of EEG electrodes for real-time cognitive workload monitoring

Content Provider	IEEE Xplore Digital Library
Author	Taeho Hwang Miyoung Kim Minsu Hwangbo Eunmi Oh
Copyright Year	2014
Description	Author affiliation: DMC R&D Center, Samsung Electron., Suwon, South Korea (Taeho Hwang; Miyoung Kim; Minsu Hwangbo; Eunmi Oh)
Abstract	Real-time assessment of cognitive workload underlies various applications that aid users' smarter life style in terms of mental health and learning. Previous studies have shown that cognitive workload can be estimated from EEG. In practical applications using cognitive workload, it is crucial to make the sensor device more essential while maintaining performance at acceptable level. However, little is known about the number and positions of EEG electrodes that can provide robust performance in diverse situations. To this end, we carried out an analysis using a widely used Emotiv EPOC to identify optimal sets of EEG electrodes robust to differences between individuals, tasks, and sessions. Seven healthy subjects participated to perform two widely used working memory tasks: n-back and mental arithmetic task. We prioritized EEG channels based on the summarized importance of individual features from each channel. By subsequently adding the highly ranked channels, we could achieve classification accuracy of 80% on average for both working memory tasks in an online analysis with 7 channels.
Starting Page	1
Ending Page	2
File Size	265922
Page Count	2
File Format	PDF
ISBN	9781479945924
DOI	10.1109/ISCE.2014.6884536
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-22
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electroencephalography Accuracy Electrodes Real-time systems Performance evaluation Robustness Estimation online analysis cognitive workload EEG channel feature ranking
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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