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. 2021 Apr 4;41(9):2456–2469. doi: 10.1177/0271678X211004131

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — Representative step responses for V_CBFV (a), V_RAP (b) and V_CrCP (c) for the right (continuous line) and left (dashed line) MCAs from a 75 year-old male subject. The mean ARI for the two hemispheres was 6.03, very close to the population median ARI = 6.02. (d) Checksum of the a–c step responses, reflecting the cumulative numerical estimation errors.