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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Kurtosis value (A) and kurtosis signal quality index kSQI, (B) calculated for textile (white) and Ag/AgCl (grey) electrodes for three channels. The red horizontal dotted line indicates a threshold of 5. Ns denotes no significance.