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. 2022 Sep 20;5:147. doi: 10.1038/s41746-022-00691-w

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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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — a Image of the subject with an umbilical mechano-acoustic (UMA) device and RIP bands. b Raw data from the UMA device, corresponding to accelerations measured at the SN (blue) and LP (orange). The activities illustrated here include three different respirations followed by swallows associated with various liquids and food. c Graphs from top to bottom show data: unprocessed, corresponding to swallowing of juice as illustrated in the red dashed box of the frame a; bandpass filtered between 0.1 and 0.8 Hz; high pass filtered at 90 Hz; combined, filtered data to highlight swallowing and respiration. d, e Data corresponding to the regions highlighted by the red and blue dashed boxes in the bottom graph of frame c.