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. 2020 Jun 8;2(2):fcaa076. doi: 10.1093/braincomms/fcaa076

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© The Author(s) (2020). Published by Oxford University Press on behalf of the Guarantors of Brain.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Mean spectral power of brain pulsations between HC and PWE groups. (A) Group mean maps in respiration-related power, transformed into a logarithmic scale. PWE group mean values are larger in the whole brain compared to HC. (B) Distributions of mean power in the respiratory sub-band voxel values in each group calculated from maps of section (A). Despite an overlap between the two similar distributions (HC: red, PWE: black), difference between the groups is highly significant (P < 0.001).