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. 2022 Jul 22;16:898300. doi: 10.3389/fnhum.2022.898300

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Copyright © 2022 Jeong, Cho, Lee, Lee, Shin, Kweon, Millán, Müller and Lee.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Competition outcomes. (A) Decoding results on short-calibration BCI (Accuracy), where the difference between the top performer and the other two performers are significant, but the difference between the second and third places is not significant. All participants demonstrate consistent decoding performance regarding the samples used. For short-calibration BCI, both right-hand MI and left-hand MI classes were used. (B) Despite using a small amount of data, on average, the true positive rate and performance were approximately 0.200 (20%) higher than the chance rate.