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. 2022 Apr 11;16:858404. doi: 10.3389/fnins.2022.858404

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Copyright © 2022 Johnson, Dar, Donohue, Xu, Santiago, Selioutski, Marinescu, Maddox, Wu, Schifitto, Gosev, Choe and Khan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Comparison between TCD and DCS measurements of cerebral blood flow asymmetry. |ΔrBF_MAP(MAP_i)| (red X marks) and |ΔrCBFV_MAP(MAP_i)| (black circles) data are shown for subject 1 over a range of MAP values. The shaded area denotes the MAP values where |ΔrBF_MAP(MAP_i)| and |ΔrCBFV_MAP(MAP_i)| overlap. (B) Bland–Altman analysis was performed to compare the difference between the two measurements against the average of the two measurements. Solid line indicates the mean of the y-axis and dashed lines are the 95% confidence interval.