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Validation of the Emotiv EPOC EEG system for research quality auditory event-related potentials in children

, , , , , ,
1 ARC Centre of Excellence in Cognition and its Disorders, Macquarie University, North Ryde, NSW, Australia
2 Department of Cognitive Science, Macquarie University, Australia
3 Department of Cognitive Science, Macquarie University, North Ryde, NSW, Australia
4 MultiLit, Macquarie Park, NSW, Australia
5 School of Electrical and Information Engineering, University of Sydney, Sydney, NSW, Australia
DOI
10.7287/peerj.preprints.593v1
Published
Accepted
Subject Areas
Neuroscience, Psychiatry and Psychology
Keywords
Keywords: EEG, ERP, Emotiv EPOC, Validation, Mismatchnegativity, MMN, Intraclass correlation, Methods, Auditory odd-ball, Children
Copyright
© 2014 Badcock et al.
Licence
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ PrePrints) and either DOI or URL of the article must be cited.
Cite this article
Badcock NA, Preece KA, de Wit B, Glenn K, Fieder N, Thie J, McArthur G. 2014. Validation of the Emotiv EPOC EEG system for research quality auditory event-related potentials in children. PeerJ PrePrints 2:e593v1

Abstract

Background. Previous work has demonstrated that a commercial gaming electroencephalography (EEG) system, Emotiv EPOC, can be adjusted to provide valid auditory event-related potentials (ERPs) in adults that are comparable to ERPs recorded by a research-grade EEG system, Neuroscan. The aim of the current study was to determine if the same was true for children. Method. An adapted Emotive EPOC system and Neuroscan system were used to make simultaneous EEG recordings in nineteen 6- to 12-year-old children under “passive” and “active” listening conditions. In the passive condition, children were instructed to watch a silent DVD and ignore 566 standard (1000 Hz) and 100 deviant (1200 Hz) tones. In the active condition, they listened to the same stimuli, and were asked to count the number of ‘high’ (i.e. deviant) tones. Results. Intraclass correlations (ICCs) indicated that the ERP morphology recorded with the two systems was very similar for the P1, N1, P2, P2, and P3 ERP peaks (r = .78 to .95) in both passive and active conditions, but was poor for the mismatch negativity ERP component (MMN; r < .30). There were few differences between peak amplitude and latency estimates for the two systems. Conclusions. An adapted EPOC EEG system can be used to index children’s late auditory ERP peaks (i.e. P1, N1, P2, N2, P3) but not their MMN ERP component. Subjects: Psychiatry and Psychology Keywords: EEG, ERP, Emotiv EPOC, Validation, Mismatchnegativity, MMN, Intraclass correlation, Methods, Signal processing, Auditory odd-ball, Children

Author Comment

This will be a submission to PeerJ for peer review.

Supplemental Information

Information and Consent form for participants, parent/guardian version

DOI: 10.7287/peerj.preprints.593v1/supp-1

Additional Information

Competing Interests

The authors declare they have no competing interests.

Author Contributions

Nicholas A Badcock conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Kathryn A Preece performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper, managed recruitment, scheduling, and personnel.

Bianca de Wit performed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper.

Katharine Glenn performed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper.

Nora Fieder performed the experiments, analyzed the data, reviewed drafts of the paper.

Johnson Thie contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Genevieve McArthur conceived and designed the experiments, wrote the paper, reviewed drafts of the paper.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

The Macquarie University Human Research Ethics Committee approved the methods used in this study (approval number: 5201200658).

Funding

This research was supported by an ARC Centre of Excellence Grant [CE110001021] and an NHMRC equipment grant. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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Validation of the Emotiv EPOC EEG system for research quality auditory event-related potentials in children
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