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. 2017 Oct 10;28(3):1037–1045. doi: 10.1007/s00330-017-5080-9

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© The Author(s) 2017

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 3. — Boxplots and strip charts showing the number of voxels exhibiting vascular signal (y-axis, logarithmic scale) for all subjects in each imaging condition (x-axis). Dashed grey lines show the change for each individual subject. Panel (a) shows results for the direct thermal stimulus, in which all subjects showed an increase in the number of vascular signal voxels after immersion in warm vs. cold water. Panel (b) shows results for the reflex stimulus: All subjects except one showed an increase after warm water immersion of the contralateral hand