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. 2020 Nov 26;10:20594. doi: 10.1038/s41598-020-77754-z

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© The Author(s) 2020

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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Bushy cell hyperacusis-like firing patterns distinct from fusiform cell measures of hyperacusis. (A) Bushy cells in tinnitus animals show suprathreshold RIF slope increases from 40 to 90 dB (dashed purple lines). (B) Rate-intensity functions in FCs do not show suprathreshold slope increases in tinnitus animals from 40 to 90 dB (dashed purple lines). (C) Elevated HIs occur predominantly, but not exclusively, in noise-exposed animals. Hyperacusis threshold line computed from bushy-cell HI distribution shown in orange. (D) HI is not increased in fusiform cells in noise-exposed animals compared to controls or to bushy cells. (E) Bushy cell elevated HI-SFR clusters not-exclusively linked to tinnitus-status. (F) FCs do not show distinct clusters of elevated HI but do show enhanced SFR. Data in Panels from B, D and F re-analyzed with permission from authors in Wu et al.²⁴.