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Soft pin-shaped dry electrode with bristles for EEG signal measurements
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王
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DOI：10.1016/j.sna.2018.09.045.png)
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Abstract
En 中文
In this paper, we present a novel soft pin-shaped dry electrode for electroencephalography recording. The pins on dry electrode were fabricated from carbon fibers in order to achieve low impedance and soft properties. To reduce the contact impedance between skin and dry electrode, the tips of pins were further processed to carbon fiber bristles and could filling up the unevenness on scalp. Compared with the traditional pin tip without bristles, it could also realize larger contact area and better comfort with small pressure. The characterization results indicated that the soft dry electrodes with carbon fiber had a relatively low skin-electrode contact impedance. The alpha rhythms from auditory evoked potential and steady-state visual evoked potential were respectively measured to evaluate the electrode performance for EEG recording. Moreover, the influences of dry electrode on skin showed there was no breakage and most of the indentations would disappear in half an hour. (C) 2018 Elsevier B.V. All rights reserved.
Keywords:
EEG recording
Dry electrode
Soft electrode
Biopotential
Carbon fiber
Bristles
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