In the present study, a wearable, wireless and portable EEG-based BCI device with dry foam-based EEG sensors was developed and was demonstrated using a gaming control application. Therefore, acquiring the EEG signals in a comfortable and convenient manner is an important factor that should be incorporated into a novel BCI device. However, those traditional sensors have uncomfortable disadvantage and require conductive gel and skin preparation on the part of the user.
Many EEG-based BCI devices have been developed with traditional wet- or micro-electro-mechanical-system (MEMS)-type EEG sensors. The use of electroencephalographic (EEG) signals has become the most common approach for a BCI because of their usability and strong reliability. A brain-computer interface (BCI) is a communication system that can help users interact with the outside environment by translating brain signals into machine commands.
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