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. 2022 Dec 14;36(1):23–31. doi: 10.1007/s10548-022-00932-x

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© The Author(s) 2022

Open AccessThis 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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Fig. 4 — Response selectivity indices for the VASO-CBV and BOLD responses in M1 and S1. A Overall selectivity, and B Digit selectivity with D1 (thumb), D2 (index), and D5 (little) according to Eqs. 1 and 2 (see Methods). Both selectivity indices describe the magnitude of the fMRI response to the movement of a specific digit relative to the motion of other digits. For the overall selectivity, VASO-CBV showed higher cortical selectivity for all participants (lines denote each participant result) and both M1 and S1. The digit selectivity indices are also higher for VASO-CBV for all participants in both M1 and S1 when compared with BOLD