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. 2022 Oct 26;12:17993. doi: 10.1038/s41598-022-21870-5

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Auditory-evoked fields and their topographical distributions recorded by OPM sensors during auditory pure-tone bursts. (a) Grand-average auditory-evoked field of 22 participants measured by each OPM sensor. (b) M50 component observed at approximately 43 ms (42.91 ± 6.12 ms) and M100 component observed at approximately 86 ms (86.27 ± 7.34 ms). A light-grey area represents the standard error across all participants. (c) Topographical maps representing the field distributions of the baseline (− 110 to − 100 ms according to the onset of the auditory pure-tone burst), M50 component (40–50 ms), and M100 component (80–90 ms).