Brain–computer interface (BCI) has been the subject of extensive research recently.
Governments and companies have substantially invested in relevant research and …

Long-term high-fidelity electroencephalogram (EEG) recordings are critical for clinical and
brain science applications. Conductive liquid-like or solid-like wet interface materials have …

Objective. Reliable and user-friendly electrodes can continuously and real-time capture the
electroencephalography (EEG) signals, which is essential for real-life brain–computer …

Objective. A novel polyacrylamide/polyvinyl alcohol superporous hydrogel (PAAm/PVA
SPH)-based semi-dry electrode was constructed for capturing electroencephalogram (EEG) …

Drowsiness detection (DD) has become a relevant area of active research in biomedical
signal processing. Recently, various deep learning (DL) researches based on the EEG …

The electroencephalogram (EEG) is considered to be a promising method for studying brain
disorders. Because of its non-invasive nature, subjects take a lower risk compared to some …

Recently, flexible and wearable sensors assembled from conductive hydrogels have
attracted widespread attention. However, it is still a great challenge to make hydrogels with …

The electrode-scalp impedance of six subjects is studied by electrochemical impedance
spectroscopy using three representative electrodes, namely wet electrodes, semi-dry …

During the physiological activities of the human body, a variety of rich electrophysiological
signals are generated, and these signals are mainly acquired through electrodes. Therefore …