In the time domain, we examined the percentage of artifact-contaminated EEG segments and the signal-to-noise ratios. The registered signals were evaluated in the time and frequency domains. On six consecutive days, 24 subjects wore each device for 60 min and completed tasks and games on the computer. In our work, we compared the signal quality of six very different EEG devices. Although a main requirement for the interpretation of an EEG is good signal quality, there is a lack of research on this topic in relation to new devices. Thus, it enables quick and easy application of EEG devices by users themselves. Emerging sensor technology allows gel-free EEG registration and wireless signal transmission. Unfortunately, standard signal acquisition procedures limit the usability of EEG devices and narrow their application outside the lab. It is one of the most reliable and predicative indicators when studying human cognition, evaluating a subject's health condition, or monitoring their mental state. Mental Health and Cognitive Capacity, Work and Health, Federal Institute for Occupational Safety and Health, Berlin, GermanyĮlectroencephalogram (EEG) registration as a direct measure of brain activity has unique potentials.
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