Validation of Electroencephalographic Recordings Obtained with a Consumer-Grade, Single Dry Electrode, Low-Cost Device: A Comparative Study
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AuthorRieiro, Héctor; Diaz Piedra, Carolina; Morales, José Miguel; Catena, Andrés; Romero, Samuel; [et al.]
Knowledge AreaTecnología Electrónica
SponsorsThis study was funded by the Spanish Department of Transportation, Madrid, Spain (Grant No. SPIP2014-1426 to L.L.D.S.). Research by A.C. is funded by a Spanish Ministry of Economy and Competitiveness grant (PSI2016-80558-R to A.C.). Research by S.R. is funded by an Andalusian Government Excellence Research grant (P11-TIC-7983). Research by L.J.F. is funded by a Spanish Ministry of Economy and Competitiveness grant (PSI2014-53427-P) and a Fundacion Seneca grant (19267/PI/14). Research by L.L.D.S. is currently supported by the Ramon y Cajal fellowship program (RYC-2015-17483). Research by C.D.-P. is currently supported by the CEIMAR program (CEIMAR2018-2). C.D.-P. and L.L.D.S. are supported by a Santander Bank-CEMIX UGR-MADOC grant (Project PINS 2018-15). Additional support was obtained from Unit of Excellence on Brain, Behavior, and Health (SC2) funded by the Excellence actions program of the University of Granada.
Realizado en/conUniversidad Politécnica de Cartagena; Universidad de Vigo; Universidad de Granada; Universidad de Murcia; Universidad del Estado de Arizona
Bibliographic CitationRieiro H, Diaz-Piedra C, Morales JM, Catena A, Romero S, Roca-Gonzalez J, Fuentes LJ, Di Stasi LL. Validation of Electroencephalographic Recordings Obtained with a Consumer-Grade, Single Dry Electrode, Low-Cost Device: A Comparative Study. Sensors. 2019; 19(12):2808. https://doi.org/10.3390/s19122808
NeuroSky® MindWave Mobile headset
The functional validity of the signal obtained with low-cost electroencephalography (EEG) devices is still under debate. Here, we have conducted an in-depth comparison of the EEG-recordings obtained with a medical-grade golden-cup electrodes ambulatory device, the SOMNOwatch + EEG-6, vs those obtained with a consumer-grade, single dry electrode low-cost device, the NeuroSky MindWave, one of the most affordable devices currently available. We recorded EEG signals at Fp1 using the two different devices simultaneously on 21 participants who underwent two experimental phases: a 12-minute resting state task (alternating two cycles of closed/open eyes periods), followed by 60-minute virtual-driving task. We evaluated the EEG recording quality by comparing the similarity between the temporal data series, their spectra, their signal-to-noise ratio, the reliability of EEG measurements (comparing the closed eyes periods), as well as their blink detection rate. We found substantial agreement between ...
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