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    Assessing the time synchronisation of EEG systems


    Wang, Yongxiang and Markham, Charles and Deegan, Catherine (2019) Assessing the time synchronisation of EEG systems. 30th Irish Signals and Systems Conference, ISSC 2019. pp. 1-6.

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    Abstract

    This study compared the synchronisation of a medical grade Electroencephalography (EEG) system, the g.Tec, and a consumer grade EEG system, the Emotiv. Data was collected from both systems using the lab streaming layer (LSL). Both EEG systems recorded an electric signal from the surface of a customised gel phantom. The electric signal was generated using a solar cell which was illuminated by a monitor presenting a sequence of black and white images. Test results show that the g.Tec had a mean delay of 51.22 ms from the stimulus onset and the Emotiv had a mean delay of 162.69 ms from the stimulus onset. The result should be taken into account with future ERP studies which will use either the EEG system and the lab streaming layer. The design of this experiment provides a smart way to evaluate the temporal accuracy of other EEG systems.

    Item Type: Article
    Keywords: EEG; phantom; synchronisation; lab streaming layer; g.Tec; Emotiv;
    Academic Unit: Assisting Living & Learning,ALL institute
    Faculty of Science and Engineering > Computer Science
    Faculty of Science and Engineering > Research Institutes > Hamilton Institute
    Item ID: 15550
    Identification Number: https://doi.org/10.1109/ISSC.2019.8904947
    Depositing User: Dr. Charles Markham
    Date Deposited: 22 Feb 2022 14:26
    Journal or Publication Title: 30th Irish Signals and Systems Conference, ISSC 2019
    Publisher: IEEE
    Refereed: Yes
    URI:
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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