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. 2021 Apr 1;15:651762. doi: 10.3389/fnins.2021.651762

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Copyright © 2021 Singanamalla and Lin.

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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Two class SSVEP signal (10 and 11 Hz) reconstruction outcomes. (A) Illustration of original (blue line) and reconstructed (orange line) SSVEP signal of Oz channel before and after SNN training. (B) Raster plot of 20 randomly selected neuronal spike trains from the hidden layer corresponding to each class before and after training. The yellow box shows that the training process was effective at reorganizing spike trains. (C) Original (bold line) and reconstructed (dashed line) power spectra if signals recorded from the Oz channel are similar, indicating the preservation of the SSVEP biomarker in the reconstructed signal. (D) The loss value (MSE) across epochs during the training process.